Top C# Custom Software Development Companies in United Kingdom

We’ve worked with a number of clients who specialize in the financial, professional and membership sectors to deliver creative, beautifully designed and well-implemented solutions that meet and exceed their digital needs.

ClerksWell is an award-winning digital agency and gold partner of Microsoft 365, Sitecore and Umbraco, soon to celebrate 25 years of technical innovation and client success. As an award-winning transformation agency, we succeed by solving complex digital problems and finding smart solutions. Check out our services to see how we can help your organization achieve its goals.

Competition is fierce out there – your customers hold you to increasingly high standards. And the market is changing, too. You have to stay on top of it all, from new channels to altered consumer behaviors. We’ll help you find revenue streams that range from incremental to disruptive, refreshing and evolving, to fulfil your customers’ unmet needs, which might mean new products, expanded offerings or an entirely different business model.

Founded in 1993 and with roots in Belarus and the United States, EPAM is a New York Stock Exchange listed company (NYSE: EPAM) that leverages its rich software engineering expertise to become a leading company of global product development, digital engineering, and cutting-edge digital product design. EPAM relies on its years of evolved software engineering strength, innovative strategic planning, professional IT consulting services and design capabilities to help clients transform complex and changing business challenges into profitable business opportunities through innovative design and next generation solutions in close partnership with its clients. EPAM’s global team provides original solutions to clients in more than 35 countries and regions across North America, Europe and Asia Pacific.

Recognized by several of the world's top independent research institutes, EPAM is one of the most recognized market leaders in many field. Since 2013, it has been named as one of only four companies of "25 Fastest-Growing Public Companies in Technology" of Forbes for consecutive years. The company also topped Fortune magazine's "100 Fastest Growing Companies" list of 2019 and 2020 respectively. EPAM’s clients span the industries of finance, tourism and consumer goods, high-tech, media & entertainment, life sciences & healthcare, as well as are involved in enterprise technology development and applications, cloud computing and big data. With a unique engineering culture and a tenet of continuous high quality delivery, EPAM focuses on all-round skill enhancement and development of employees.

 

We harness the power of our consultancy & design talent, alongside our data expertise, to work out where we can provide value & address your unique needs.

AAlogics offers a wide range of Magento extensions along with the best Magento developers and ios/android developers. We have a range of expert, professional, and certified Magento developers.

AAlogics is a Magento development company. We also provide the best range of magento extensions at the best price.

Verified client review: 'Eastern Peak is very flexible. They're like a partner in terms of thinking and creating new concepts, new features, and new ideas.'

The Europe’s top developers, designers and strategists.

Founded in 2010, we build custom software for startups, mid-size businesses and large enterprises, helping them reach their full potential and increase profit.

DPD, Western Union, Gett, Fly and other global companies rely on our custom web and mobile solutions in their day-to-day operations.

Our offices: London, Tel Aviv, Kharkov, Larnaca

Our principles: We keep your ideas safe; We’re easy to work with; We deliver on-time.

Web Development

• Business websites and blogs
• Community portals and e-learning systems
• Web platforms

Technologies and Tools:

Front-end: HTML5 & CSS3, Angular JS; Back-end: Node js, Ruby on Rails, PHP, Python, .NET; CMS: WordPress, Magento, Drupal, Joomla

Mobile Development

• iOS apps
• Android apps
• TV apps (Roku, Apple TV, etc.)
• Cross-platform apps

Technologies and Tools:

Native: Objective-C, Swift, JavaScript, Android SDK, Java, C/C++; Cross-platform: React Native, Xamarin, PhoneGap, Unity, Sencha Touch; TV: BrightScript, TVMLJS

Other services:

• UI/UX, Graphic Design
• Software testing
• Technical Support 
• Marketing Support
• Technology Consulting 

Kainos provides digital technology solutions and Workday deployments that allow organisations and people to work smarter, faster, better. Find out how we work with government and finance as well as offer a full range of Workday HCM technology services.

Kainos Group plc is a high growth, UK-based provider of IT services, consulting and software solutions.

The Group specialises in the development of digital technology solutions; software design and agile software development; third-party software integration and implementation services; automated testing services; technology support services; and related ancillary services such as project management, all provided across multiple sectors.

Mutations Limited is a group of experienced technology experts who are proficient in full stack software development, security audits, app design, mobile app development, product management, QA testing and more.

We are problem solvers that leverage software to help your business grow sustainably. We’ve designed apps, worked with businesses to better understand their users, and helped our clients win contracts and secure funding.

Cyber-Duck, Bank of England, digital transformation agency, Established in the UK, ISO certified UX, Web and Mobile Development, Drupal, Laravel, SilverStripe, BigCommerce, AWS, Azure, Flutter.

Cyber-Duck is a leading digital transformation agency that works with global brands such as the Bank of England, Cancer Research and Compare the Market. Since 2005, we've evolved complex websites, applications and digital strategies so they deliver meaningful impact for organisations and their users.

Established in the UK, our global workforce of Ducks gives us unlimited breadth and scale so we can meet your needs, however challenging. We work as an integrated extension of your team – whether that’s in-person or remote, in the current climate. Our ISO certified UX, Web and Mobile Development methodology produces future-friendly strategies that can align your stakeholders and engage your users.

The Ducks have spoken as industry experts on BBC Watchdog and The Gadget Show alongside notable conferences like SXSWi, UKTI and UX London. Our agency is part of Deloitte’s Technology Fast 500 (EMEA) and has won sought after awards including Webby, UXUK and The Drum's DADI Awards.

Cyber-Duck's services include:

Research and Strategy

Strategic change needs bulletproof insight. We immerse ourselves in your organisation; then, reveal the way forward through data science and design thinking.

User Experience and Service Design

Your customers demand seamless experiences. We listen, test, design and repeat to generate intuitive services, platforms and processes.

Technology Implementation

We deliver and support mission critical applications using industry-leading platforms and frameworks that include Drupal, Laravel, SilverStripe, BigCommerce, AWS, Azure, Flutter and more.

Digital Optimisation

Marketing has moved on. Through data science and insight, we drive rich, rewarding customer interactions via Google Certified SEO, PPC and content marketing campaigns.

Cyber-Duck is a digital transformation agency based in London and Hertfordshire. Trusted as one of the top UK digital agencies for over 15 years.

Passionate about growth and business development. Entrepreneurial mindset. I am a customer-focused professional. Looking for a software development partner?

In Code We Trust! Build a high-quality product with our product designers and software engineers professionals. We are a software development company that helps businesses grow. The Codest team consists of admirers of modern technologies. In love with Ruby, Rails, Java, JavaScript, React or Vue.

We work according to our rules and truly believe that this is the best way to be successful. It doesn’t mean we are not elastic or not adjustable - our rules are the backbone we follow to stay transparent and predictable. There are only two main rules.

Experts in Product design and development. Whether you’re building something from scratch or improving an existing product, our design and development consultants have you covered.

We are a team of designers and developers that make web and mobile applications for our clients. We aim to create great user experiences powered by well-made software.

During the sales process, we will seek to understand the jobs your users need to be done. When we start a project, we'll typically run a product design sprint where we create and test a prototype with real people in the first week.

We then design and code while focusing on quality and maintainability. We work iteratively and deploy working code regularly. We have no project managers. Everyone you hire is a designer or developer.

B2B Marketing Agency – Velocity does B2B positioning, B2B content marketing and B2B digital marketing for technology companies.

Velocity Partners is a nearshore software development company that strategically aligns with companies to deliver results better, faster and more cost effectively. We do this by leveraging a distributed Agile model. Distributed Agile is part of our DNA, core to our business model and ingrained in our technology processes. We offer our clients the unique combination of software development process, Agile expertise and personal accountability. We are question people – interested in engaging in two-way dialogue and understanding our customers’ challenges so that we can propose the best solutions. It is our intention to operate as a true extension of our customers’ teams, working in close collaboration throughout the life of a project. The end result is the market’s highest quality product with the lowest total cost of engagement. In January 2018, Velocity Partners joined forces with Endava, a privately-owned IT services company with over 4,000 employees located in offices in North America and Western Europe and delivery centres in Central Europe and Latin America. Together with Endava, we enable nearshore software development and deliver global digital evolution & agile transformation for organisations in financial services, Insurance, Telecommunications, Media, Technology, and Retail. We focus on helping people succeed. The people who work for us, the people who engage with us, and the people who use the systems and applications we design, build, and operate.

We achieve this by providing project management, technical consulting, software development, training and application support services, specializing in web content management and e-commerce platforms, and custom web product development.

Priocept is a technology consulting firm that helps enterprises create digital products and services. We design, build and support web technology platforms for leading European companies. Our clients choose Priocept because of our commercial focus and our ability to turn technology investments into digital products and services that pay off.

Based on proprietary pioneering business models of Offshore Dedicated Team® and Remote In-Sourcing®, an advanced Technical Debt Reduction Platform (TETRA™), and measurable SLAs for software engineering, Intetics helps innovative organizations capitalize on global talent with our in-depth engineering expertise based on our Predictive Software Engineering framework. Intetics core strength lays in the design of software products in conditions of incomplete specifications. We have extensive industry expertise in Education, Healthcare, Logistics, Life Sciences, Finance, Insurance, Communications, and custom ERP, CRM, Intelligent Automation, and Geospatial solutions. Our advanced software engineering background and outstanding quality management platform, along with an unparalleled methodology for talent acquisition, team building, and talent retention, guarantee that our clients receive exceptional results for their projects. At Intetics, our outcomes do not just meet clients' expectations, they have been exceeding them for a quarter of a century.

We enable businesses to reach their full potential with our Custom software development. The aim is to revolutionize the technology landscape by assimilating it with Artificial Intelligence and Machine Learning.

We build iOS Apps, Android Apps, Websites, AR Apps, IOT Apps, Cognitive personal assistants, AI powered chat bots, Apple TV Apps, Apple Watch Apps, Alexa skills and custom software. We solve your problems with efficient and affordable solutions. Our developers are extremely well versed in their technical backgrounds, and our global presence allows us to work quickly and effectively with clients.

3rdDigital is a leading website and app development company where you can find your desired result for your business. We have a team of website and mobile app developers who successfully accomplished more than 200 projects. We are your one-stop solution provider of website and mobile app development services agency in Northern Ireland & the USA. Our cross-functional team of developers, designers, testers, ERP, and CRM Specialists work together to bring value to your business.

We write beautiful web applications that are durable and free of defects in workmanship.

8th Light is a software consultancy that is passionate about building productive long-term partnerships with its clients, its employees, and the software community.

Our team of multi-disciplined software professionals are experts in applying the principles and practices of software craftsmanship in all different languages and frameworks. Whether training in a classroom setting, developing in our Studio, or embedded inside of client teams, we follow principled processes that prioritize the long-term health of the software.

Our innovative Modern Apprenticeship Program emphasizes hands-on learning curated by a working professional, and prepares developers from a wide range of backgrounds to have long careers on our team as professional developers and consultants.

8th Light promotes the idea of software craftsmanship by organizing and hosting events, talks, and conferences. You can view some of our past MeetUp talks on 8th Light’s YouTube page.

How to become a software craftsman

At 8th Light, we craft software—from web applications to robotics—that is beautiful, durable, and shows pride in workmanship.

We are skilled.

We have expertise in a variety of programming languages. We offer a suite of services designed to meet the needs of your web, mobile, and embedded projects.

We are agile.

We iterate rapidly to deliver on time and under budget. To ensure success we program in pairs, drive development through tests, and continuously integrate.

We are principled.

We maintain partnerships with clients that are meaningful, respectful, and productive. We'll listen closely to your needs, and work hard to exceed your expectations.

We are educators.

We offer apprenticeships that will push the limits of your knowledge, and help prepare you for a career in software development.

ANEGIS Consulting specialises in IT consultation for growing businesses. Using Microsoft Dynamics AX, we implement, redevelop and support projects for a wide range of companies. Our expert knowledge allows us to work efficiently with our partners to implement and maintain software successfully, as well as complete implementations where the original plans have not yet been realised.

Creators of Anterec Developer Cloud® for .NET, the only pay-as-you-go (PAYG) .NET software development service in the UK. We are a talented team of Microsoft .NET software developers with MSSQL or Oracle database experience and a track-record of delivering business and enterprise-level solutions. We specialise in .NET software development for business applications. ??? ?? ???? • Create greenfield solutions for your business • Support and enhance existing .NET applications • Web, cloud, mobile application development • APIs & software integration • Connect with 3rd party software (SAP, CRM, CRAs, cloud services, etc) • Electronic document signing (e-signature) • T-SQL/PL-SQL, Database design and development • Microsoft .NET 3.5 (legacy) up to current version of .NET Core and .NET 5 ????? ?? ???? Established in 2008, we have worked with medium and large-sized companies in the following sectors: • Financial Services • Telecommunications • Logistics • Education • Non-Profit/Charity • Document Processing • Management Consultancy ??? ?? ???? We have helped these customers to put the right software in place to enhance their businesses: • Volkswagen Financial Services • Capita • London South Bank University • White Clarke Group • Digitalk • Coventry University • Achilles ?? ??? ???? ???

BIGZIEL Technologies is an innovative and trustworthy software development company that delivers phenomenal digital transformation and includes Business Intelligence in your business. Headquartered in Chennai - India, BIGZIEL has been providing exceptional digital services for more than 4+ years. With a wider reputation, BIGZIEL has gained global clients who are very pleased with software solutions that are shared by the company. The apps and platforms developed by BIGZIEL have gained more scope than the company holds experienced developers from the industry. Users will be provided with customizable and scalable platforms that can support their growth into the future.

BIGZIEL is renowned e-commerce, mobile apps, and software development company and provides a complete service that supports your digital business.

software Development, Ecommerce website development, Mobile app development

Blueberry Consultants is a private limited software development company, formed in 1997 by the current Managing Director, Martin Green. The Blueberry team is made up of highly-qualified, talented and innovative IT professionals each with their own area of expertise. Their experience spans the full range of custom software development, from small entrepreneurial projects to complex systems for major corporations.

BSPOKE Software is an established software house specialising in bespoke software for business. We focus on providing software solutions that deliver exactly what our client requires, with a maximum return on their investment.

chilliapple is an award-winning IT solution & digital transformation services agency. It was established in 2008 as an initiative to satisfy the excessive eCommerce & IT services demand in the UK & other European nations with quality solutions and at competitive pricing.

chilliapple is an award-winning web and app development agency. It was established in 2008 to satisfy the growing demand for high quality eCommerce & digital solutions at affordable and fair prices. chilliapple is a team of over 70 experienced IT engineers, project and account managers and consultants to design, build, enhance and support fledgling and growing digital business.

From off-the-shelf to bespoke development, we provide dedicated developers for Magento, WooCommerce, Shopify, Prestashop, MEAN/MEARN stack, and Digital Marketing solutions. Alongside our cost-challenger position, we continuously invest in our people to be at the forefront of the next technology and focus on delivering what your business needs, without time-wasting or unnecessary jargon, to ensure we maximise digital performance and your bottom line.

 

We're a bunch of people who love working together, creating things and working with clients and partners. Formed in the mid-2000s, we've been growing at a pace that allows us to expand while keeping our ethos and values.  We're small by consultancy terms, but that enables us to be specialists and for everybody to work together well. Now we're across two sites: Reading (Berkshire) and Birmingham (West Midlands) which allows us to have a presence nearer to our clients. It's trite, but we like to like our clients; we find that way we have a partnership and we achieve more, so relationships are important to us.  We want clients who will work with us for many years so we understand each other and so we can have conversations with them.  Our best successes are our client's best successes, and most of them are because of collaboration making a great idea even better.

Codeminers is a technical build consultancy based in the heart of the East Midlands, specialising in Web Development, aiming to deliver the very best and cutting edge solutions to your digital needs. As a Sitecore implementation partner and development experts, Codeminers can help design, build and consult on your new Sitecore project, allowing you to launch your next website on the platform with ease, as well as providing ongoing support for when you need it most. Codeminers are also a Umbraco app partner and have a wealth of experience with the specialist piece of software. They will be able to help you integrate your content, marketing and eCommerce solutions to help you create qualified leads and generate sales! Get in touch with us today!

Conovo Technologies pushes itself to deliver eminent web, mobile, and games development experience at an expense of exhaustion of our team’s artistic talents. The organization's wish is to turn your proposition into authenticity. As the saying goes “Breathing life into ideas”!

We are an Umbraco & Sitecore certified web development agency providing website & app design, marketing, branding and print design services to our clients.

Our team of talented developers are dedicated in producing creative and high quality Custom Software Solutions, Industry Specific Mobile Apps, Online Marketplaces and solutions in AI & Machine Learning, Augmented Reality, Blockchain and Internet of Things, for public and private sector on time and budget. We mainly focus on the development of custom web applications, enterprise mobile apps, business software products, E-commerce solutions and digital marketing services. We believe success is based on our clients, that's why our strategy is directed on you. Our approach is designed to provide clients an organised process that is simple, supportive, informative and flexible.

Based in London Design Direct UK offers custom web, mobile & software solutions for start-ups and enterprises across the globe. Over the last 10+ years we successfully helped 500+ clients across the globe for getting their business to the next level.

Take business to your customers by building advanced native and hybrid mobile apps for both Android and iOS Platforms. Accelerate different functions of your business by creating custom web applications using the latest in digital technologies.

We are No “Yes-Man” or just “Another Dev Shop”. We are experts in providing digital solutions with a consulting led approach that fuels innovation and business efficiency.

Estech Digital puts together a bunch of passionate minds to transform your visions into reality imparting an awesome digital experience for your users. From Mobile Apps, website design, development, scalable web apps to SaaS platforms, the solution we engineer accelerate efficiency and fuel growth for our clients.

We are an email marketing agency. We design, we build and we send email worth seeing.

We create digital products and software solutions for our clients, by combining world-class design, development, and strategy. This includes everything from interactive web experiences and apps, to VR and enterprise software. We work really closely with our clients to ensure that what we develop is as effective as it can be. We think that it’s really important to bring together all of the pieces of the puzzle needed to have things hit the ground running. So, our services not only include software design and development, but also strategy and ideation sessions, through to long term support. Working from the business side, we help to ensure that any investment in custom development is going to maximise its returns.

Our Founders are professional educators, trainers, and entrepreneurs, with combined business and commercial expertise spanning. Get the best from Focus Awards.

Our Founders are professional educators, trainers, and entrepreneurs, with combined business and commercial expertise spanning. Get the best from Focus Awards.

awarding body, awarding organisation, qualifications

At Geeks, we continuously challenge the status quo and re-define software development to make it more automated, faster, more reliable, smarter and more fun. We empower our clients to imagine more and innovate more. We work closely with them and use our sharp minds, unparalleled skills and can-do attitude to create amazing software concepts. Our mission at Geeks is to be the Dependable Technology Partner for Ambitious Businesses, and through that, help make life better for everybody. We have worked as technology partner across different sectors including the Houses of Parliament, BBC, Royal College of GPs (RCGP), HMV, Euromoney, Harrods, Easyjet, Council of Europe and hundreds of SMEs. Most of the projects that we take on are:

• Tech maturity assessment and developing Tech Strategy Plan that is in-line with your business plans
• Requirement & scope Analysis and prototyping
• Software development and maintenance
• Complex & bespoke process efficiency solutions
• Systems integration design and development
• Application of emerging technologies in business

Our clients choose us because we can deliver complex software systems that help them to be a leader in their market; thanks to our brilliant team, and the array of innovative technologies which we have won many awards for, including the "Queens Awards for Enterprise: Innovation"​.

Genese Solution Pvt. Ltd. is a multinational company, a part of Genese Solution based in the United Kingdom.

Genese Solution is Cloud Computing & Consulting Company providing safe, seamless and rapid migration of your business applications to the cloud.

Genese Cloud Academy, an education wing of Genese Solution is established with its vision to bridge the skill gap between academia and industry by making final year students/graduates emerge as highly employable. To make its vision into reality, GCA from its establishment is collaborating with different companies/organizations all over Nepal and performing skills requirement mapping with those trained students/Graduates from GCA who can possibly be hired with better suitability.

Cloud Consulting, Devops

In a tech landscape in which only 17% of projects succeed, you need a team that tells it like it is and puts quality above all else. In short: creative and realistic.

Combining our unique Product Design Process and Agile Development Process we follow a proven user-centric methodology that ensures all features and goals are met.

A collective of leading Engineers, Technologists and Consultants with the intelligence to devise the right solution to any problem, the skills to build it, and the ability to help you embed real change in your organisation. Established in 2014, with offices in Leeds, London, Manchester and Edinburgh, we're a strategic delivery partner for clients in both the public and private sector. Our expertise includes; Product/Service Engineering

• full-stack engineering
• service design
• mobile app development
• Internet of Things (IoT) development

Platform Engineering

• cloud infrastructure (AWS, Azure, GCP)
• serverless (AWS Lamba, Azure functions)
• containerisation (Docker, Kubernetes)
• auto-scaling, resilience, failover, DR

Data Engineering

• Data science, artificial intelligence (AI) and machine learning (ML)
• Data lakes, data warehouses
• Hadoop, Scala, EMR, HDI, etc
• Streaming, real-time analytics
• Reporting and dashboards

Security Engineering / DevSecOps Lean Managed Services Agile and Lean delivery, transformation and coaching From software capable of revolutionising the way you work, to simply fixing a product or process that isn’t working, we have the expertise you need. With the benefit of many years experience, we've developed a range of services designed to deliver projects, solve problems and create positive change.

Instil is a bespoke software development and training company based in Belfast. Formed in 2005, Instil works with clients to craft solutions for challenging problems across a variety of domains, to rescue projects in trouble, and to advise, lead and train other software teams to success. Trusted by some of the world's best known companies, we engineer mission critical, mobile, desktop and cloud solutions that sit at the heart of our clients' business. Underpinned by a culture of quality and software engineering excellence - with a huge focus on code, quality and automated testing - we strive to build robust, resilient, performant software that exceeds customer expectations.

MegronTech is a leading mobile app development company based out of Swindon, UK. We think, innovate, and develop apps in Android and iOS platform. Our team is well-versed with the latest advancements in both the Native and Hybrid application platforms. We are focused on innovation and creativity and provide high quality, scalable, user-friendly mobile applications to meet our customer’s expectations. We collate, research, and draw your ideas into a technical scope and follow the most cost effective approach to achieve the desired results. We offer you fast, secure and high-quality mobile application that results in improved mobile branding of your business. Our applications are highly adaptable and customizable and can be extended quickly and easily to meet your changing business needs. Our core expertise has helped our clients achieve an excellent return on investment for their projects. We believe in delivering high-quality apps that help you strengthen your mobile marketing efforts.

Since the inception of MPS in 2006, we have managed more than 750 successful projects for clients around the world that have been proven to be a good achievement. Our global clients from USA, Australia, Canada, UK, Europe, Singapore and etc. have been able to meet their organizational goals through our software solutions. Our services include: ✅Custom Web Solutions: E-Commerce Applications Web Applications Progressive Web Applications ✅Game Development: Casino Games White Label Poker ✅E-Commerce Development: Shopify WooCommerce ✅Print on Demand Platform to manage print on demand fulfillment software services, all related business processes, technology, and third-party POD software https://podza-commerce.com/ ✅E-learning - a broad range of educational app development services that will suit any taste and wallet size Our technologies are: ✅PHP Frameworks (Laravel, Yii) and JS technologies (Angular, Due, React) ✅PWA (JavaScript, CSS, HTML, and Service Worker) ✅E-Commerce platform (Shopify, Etsy, WooCommerce) Having a full suite of services intended to meet any demand of our clients, we are ready to be involved in the successful business partnership – both regional and transatlantic. Our list of clientele speaks volumes about our skills and the superior achievements.

For over 15 years MPS have been helping our esteemed clients identify, choose and develop specialized software and delivery of world-class service IT solutions. We discovered that the major challenge of many businesses is mostly influenced by difficulties in identifying the customer needs. This is why we have a team of software and computer engineers who are result oriented and are committed to understanding the scope and features of our clients, with the aim to deliver a quality product and high level of service. Besides, our company is presented by the group of qualified managers who easily and thoughtfully meet clients’ requirements, monitor the developers’ working process, leading it according to the set plan.