Top C# Custom Software Development Companies in United States

YML is an award-winning design and technology agency based in the heart of Silicon Valley that creates best-in-class digital products for Fortune 500 companies and leading startups.

YML is a digital product and design agency. We are a 300+ person digital design and development studio that offers Silicon Valley to our clients around the world. We pride ourselves on being agents of change, helping Fortune 500 startups and clients become industry leaders through innovative digital solutions.

Zapproved Inc. is a pioneer in developing cloud-based software for corporate legal departments. The company's flagship product, Legal Hold Pro, is widely used by Fortune 500 and Global 2000 corporations.

We are passionate about the power of e-discovery software to transform corporate legal processes from the inside out.Success lies in our ability to understand each client's unique mission and provide personalized services based on unparalleled expertise. Our relationships are long-term because we don't just solve problems that affect our clients today - we work transparently and collaboratively to plan for tomorrow's problems.

We can help you develop a secure, scalable and feature-rich content management system tailored to your needs. Hire dedicated and experienced CMS developers from Zenesys at affordable prices.We work with you to set the right goals before the project begins, and then plan and adapt as needed to keep up with your go-to-market requirements and budget. From idea to solution design, development and optimization, you are always at the beginning and end of the cycle.

We turn your business idea into realityWe work with you to set the right goals before the project begins, and then plan and adapt as needed to keep up with your go-to-market requirements and budget. From idea to solution design, from development to optimization, you are always at the beginning and end of the cycle. Whether you need a competent partner as an offshore extension of your product development team or someone to take care of the activities

We put our heart and soul into our work. We love what we do. We make great products with attention to every detail. That's why our customers love us.

ZTABS is an IT service provider with the skills and experience to implement complex enterprise business solutions.

We offer full software, web development, mobile development, content management and CRM solutions from start to finish.

Creating transformational new digital products (mobile & web) at the intersection of market opportunity, customer experience, and emerging technology.

3Metas is a fast-growing, privately held digital strategies company with experience in more than 300 technology projects in different fields and industries, impacting market share, brand equity, and sales growth. With a thinking differently, to present a new working model, lovers and proud of the results.   Since 1999 our team has delivered to our customers, unique, competitive, successful and specialized digital strategies combined with the most effective web-based automated system solutions that have given them the power to be one step ahead of their competition.   Mission: We are a digital strategy company that provides business solutions such as web development, and programming training.   Our mission is to provide reliable and speedy service, as well as making sure our customers are 100% satisfied. Whether you are an individual, small business or corporation, we can accommodate our service to fit you needs perfectly.

We offer public/private cloud native, execution, and maintenance of quality first solutions. We build Good Things.

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.

We have effectively conveyed outcome arranged strategies that have empowered us to wind up one of the best agencies worldwide. We are known for delivering faster results, no one else can. Having our success in the Digital Marketing, Development & Business Intelligence services for many years and provided excellent services to many of our honorable clients. Our agency created to share thoughts, experiences, and unique tips for those who are looking to get the best services.

We aim to use our profound mastery and significant comprehension of customer’s business necessities to develop a customized solution for their individual business needs. Moreover, We enable customers to make important associations with their gathering of people and manufacture better brands through associated advanced encounters.

For over 10 years, Abstract (Texas) has been consulting companies in different industries, introducing businesses to the possibilities of new technologies. Company experts discuss ideas with brands and provide recommendations on how to find the right solutions by means of AR/VR and machine learning.

Abstract has cooperated with organizations in energy, aviation, manufacturing, education, and retail industries. Their local clients include Rolls-Royce, Eaton, Anadarko, Texas A&M University, Texas Children's Hospital, Dyna-Drill, Master Flo, and more.

Abstract offers professional virtual and augmented reality solutions, interactive software, workflow applications, and animations.

You can find a portfolio of the company on the official website and get acquainted with each of the experts on their LinkedIn company page. This is where you will find VR/AR specialists, developers, animators, designers, and more.

If you want to learn more about how companies in different industries are using VR, we recommend downloading Abstract's virtual reality course (free). Simply leave your email on the website to get access to the presentation.

We deliver innovative solutions to businesses in many domains and industries: - Government - Fintech - Healthcare - Construction and real estate - Manufacturing - eCommerce and retail - Security - Automotive and transportation - Education and eLearning Abto Software’s tech stack covers most of the modern languages, frameworks, and development practices, with a focus on Microsoft technologies (.NET framework) and building enterprise-level software systems.

Abto Software is a software, web, a mobile development company with wide experience in business process automation, AI-driven solutions, and with the Computer Vision department. Our services are recommended by over 250 clients from North America and the EU. Abto Software is Microsoft Gold Certified Partner

347 Fifth Avenue, New York, NY, United States

Software and Web Development

Accedia is а professional IT services company, specializing in technology consulting, agile software development and implementation of IT solutions.

Accedia is a Professional IT Services company, specializing in technology consulting, software development outsourcing, as well as development of end-to-end IT solutions for both SMEs and large enterprises. With offices in Sofia, Bulgaria, Boston, MA and Palo Alto, CA, Accedia is one of the fastest growing technology companies in Central and Eastern Europe.

The company’s core areas of expertise include Digital Transformation, Custom Application Development, Big Data & Advanced Analytics and Cloud & IoT Solutions.  Leveraging industry know-how, exceptional technology expertise and futuristic approach, Accedia excels in developing software innovations. Open communication, great atmosphere and creativity reinforce the company vision of being a leading IT solutions provider.

Accedia is a professional services company specialized in IT consultancy, software development outsourcing and tailored business software solutions.

Through strategic technology advising and efficient delivery processes we provide the right solution for the specific needs of your organization.

Technology and business consulting from leading technology experts.

Efficient offshore development of high quality enterprise software.

End-to-end software solutions tailored for your business needs.

Our trusted advisors help you with effective software outsourcing strategies through better planning, better partner selection and better engagement management. We can source and manage the right service for your needs. Trust Accelerance to fast-forward you to the right software outsourcing solutions with peace of mind.

AccelOne is a coastal software development company and staff augmentation agency. Our team of highly dedicated developers, designers, and project managers are committed to delivering the highest quality results on time and on budget.

Acterys Integrates & consolidate data from multiple sources with Microsoft Azure, Power BI and Excel through a powerful Platform for Financial Planning & Analytics

Acterys basically powers with quick clarity for present & future with the help of end-to-end analytics & planning solutions for big Saas and erp solutions. Acterys provide Acceleration in Finance Transformation to its 1000+ users in their familiar environments like Power BI & Excel.

Actimedia is an Award-Winning Interactive Agency located in Miami FL with more than 15 years developing effective solutions of e-marketing with Strategy, Technology and Creativity. Actimedia offers professional service in Web Design, E-Commerce, SEO, Social Media, Mobile Apps Development and E-Marketing. Actimedia is defined by its industry leading work. Our use of strategic thinking in combination with leading-technology and creativity has allowed us to exceed our clients' expectations over the years

ActiveLogic Labs is an innovative tech agency with offices in Kansas City & Chicago. We're an iterative and collaborative team of senior software engineers & architects whose primary focus is to create cutting edge software. 

We provide powerful software solutions and expert services that empower every individual with actionable intelligence, helping organizations unleash the full potential of their people and investments.

Another giant among the software development companies in India, Advantal Technologies is an ISO-certified company. They have provided software to both the corporate and public sectors and achieved great fame. One of the most familiar faces among the software development companies in India today. They started their journey in 2009 and they never looked back. Their client list is as varied as it is big and there is hardly any type of industry where they don’t have their fingerprints. This includes Newspapers, real estate, hospitals, restaurants, law firms among others. Their ability to create customized applications and software for the varied needs of the companies is their true power.

As a leading software development company, Advantal focuses on creating advanced digital solutions by offering tailor-made development and support of business apps and products for you. We are passionate about staying dynamic with all the emerging technologies that meet your business goals.

We are a development, data science and design studio that works closely with founders and executives to create custom software and machine learning solutions. Our developers build rich web and mobile products in collaboration with technical and non-technical teams. We work in agile teams & use coding best practices.

We are a development, data science, and design agency that works closely with founders and executives to build technology products that increase human agency. We provide full-service product design, development, and data science. We act as your CTO if you need one, or integrate with your team. Whatever you need tech wise, we can probably do it. We provide clean code that works, intelligent machine learning AI, user research and stunning UI, and many other things (oh my!).

We are a team of passionate professionals with in-depth experience in project management, as well as strategy creation, architecture, design development, Salesforce consulting services and CRM implementation. At Agency73, we have specialists of all the necessary types, which allows us to implement complex projects and ensure high quality, speed, and affordable costs for any business.

At Agency73, we offer the following services:

• Digital transformation. We help brands replace outdated ways of doing business with the latest digital alternatives. This includes the development and installation of modern software. In this way, we help businesses improve efficiency through the implementation of digital technology in all areas of the business;
• Salesforce development. To keep your sales team productive, we describe in detail all of your company's growth factors. We then move on to developing an in-depth plan, working closely with you to determine your goals, structure, and offer the best value for money. The whole process ends with the implementation of the finished project;
• Software development. You can rely on us to develop a software solution from scratch. We will design a solution of any complexity considering all your needs. As a result, you will be able to solve a number of complex tasks in terms of business processes (automation, optimization, etc.), improve the efficiency of your staff, enhance credibility, and more;
• Web applications. Our extensive experience, the ability to use new technologies, and individual approach are the aspects that help us create top-notch solutions for any business. As a result, you can reduce your expenses due to automation, increase the efficiency of your employees, and improve functionality (depending on your business goals and needs);
• Mobile applications. We can create an app that will perform multiple tasks, depending on your brand's requirements. With our solutions, you will be able to efficiently stimulate repeated purchases, increase your average check, improve customer loyalty, simplify communications with your clients, securely accept payments, analyze your target audience, automate your business processes, and much more;
• Design. We understand how important user experience is for any business, which is why our team includes expert designers who consider every detail, from convenient website forms to intuitive site navigation;
• Analytics. We analyze every step in the development process when working with your project. And you can track the entire development progress. Each project requires a detailed study of the industry, competitors, the target audience of the business. We always ensure that we deliver a solution of exceptional quality.

At Agency73, our mission is to provide clients with top-class solutions using professional and technological expertise. We understand and accept the uniqueness of each client. Thus, in our work, we set up only on an individual approach to provide the best future for every project.

You can check the portfolio on our official website and evaluate the potential of the agency. Plus, on the LinkedIn company page, you can get acquainted with our experts.

If you want to share your idea or find out what we can do for your business - send us an email today and we'll get back to you ASAP.

We believe in stepping into the client’s shoes for building their product in more awesome ways. Our experts are talented enough to convey the best solutions. We assure clients to bring their unique thoughts to the marketplace in a more intuitive manner. We believe in maintaining punctuality and quality is our key area to deliver splendid work.

AGILE Infoways Pvt Ltd is an offshore development outsourcing IT company. Incepted in the year 2006, Agile Infoways is doing astonishing work on the ground of the IT fraternity. We are a known custom software, web, mobile and IT consulting company with 15+ years of hands-on experience in technology and expertise in marketing solutions.

We have assisted in various successful projects worldwide and always keep his eye on the latest trends in designing and development. We have a global presence in India, USA as well as Canada with a team of 200+ in-house talents. Our commitment and belief to achieve the best are making us the most demandable company globally. We hold experience over technology to deliver the best of Blockchain, IoT, and Machine Learning with AI, Clouds Apps, Custom Applications, Android, iOS, Hybrid Apps Solution, and more determined by hard work with a focused approach.

Our portfolio includes two proprietary products that revolutionize the work of thousands of developers at companies like Mercedes and Samsung.

AHG develops integrated cloud-mobile applications for businesses that are engaging, interactive and add to your bottom line. We specialize in business productivity mobile application for android and iOS which are integrated with back-end database / internal software. Our out-of-the-box software in the area of inventory management, assets tracking, traceability, mobile data collection and workflow / process management will increase your efficiency at a fraction of the cost of custom mobile development. These business productivity solutions can be purchased as is or used as foundation for custom applications. We will be happy to work with you on implementing ready-to-go solutions, customizing them or creating completely custom mobile applications tailored to your business needs.

Our AIMDek’s expertise offers services in Enterprise Portal (EP), Enterprise Content Management (ECM), Electronic Health Records (EHR), Business Process Management (BPM), Enterprise Application Integration (EAI), Business Intelligence (BI), Enterprise Mobility, Big Data, Data Analytics & Insights.

Building good software requires superior logic and product knowledge, even when building without code. We set the bar high and train our teams to perform to top standards. As demand for custom software continues to "eat the world", we aim to be the standard for building amazing products, and for making a living as a no-code builder anywhere in the world, regardless of background.

Airdev is a software development agency based in San Francisco that specializes in building powerful custom web applications in a fraction of time, cost, and effort of traditional agencies. We do so through a combination of no-code tools, a high level of standardization, and the top talent in the industry. Our hundreds of clients range from 1-person startups to Fortune 100 enterprises and we’ve helped them launch new products, improve processes, and validate hypotheses. We specialize in a wide range of web applications, including two-sided marketplaces (e.g. Airbnb for x), social networks, productivity tools, process management tools, and much more. Our products support millions of users and billions of dollars of transaction volume.

Services Offered: Product Strategy and Design Rapid Conceptual Prototyping User Experience and UI Design IoT Application Development iOS and Android Development Artificial Intelligence Machine Learning

Aplusify provides associations and nonprofits with the capacity and capability of maximizing their Salesforce platform. Our team of Salesforce-certified experts alleviates the technical weight of implementing and managing Salesforce so that you can focus on strategy and organizational mission. Find out how we can save you time, money and stress with our Salesforce Managed Services.

Apnet have been developing computer and mobile programs since 2000. We have grown from a small team of friends who adore programming to a middle-sized company of 100+ employees and 3 branches. Coding is our passion and we are capable of skillfully handling complex web projects after 18 years of writing software. 600 successfully completed projects prove that. You tell us what your business needs are – we will take care of the rest.

Our vision is help clients to achieve an ultra-rapid and cost-efficient solutions delivery cycle that reduces their time to market. Through expertise, highly refined processes, and a vast code repository, we position our client for success and offer a complete range of services designed to minimize technical overhead, increase productivity and maximize ROI.

Based in Houston, Texas, App Maisters Inc. is recognized as one of the Top Digital Solutions providers in the United States. Bringing Digital Transformation Solutions to Startups, Enterprises, and Government Agencies, App Maisters offers a wide array of expertise to ensure clients achieve sustainable competitive advantage by developing innovative and intelligent Products and Solutions in several industries. App Maisters Inc is also a USA Federal Government SBA 8(a) Certified and Texas Hub Certified company. App Maister’s mission is to maintain and be a dominant thought-leader in digital solutions by facilitating client success through superior expertise and a full range of digital services. Our aim is to offer significant value to our clients by maximizing productivity and ROI.

At Apphienz, we value our partnerships and place a premium on our customer’s trusts. You should have a responsible and passionate certified Salesforce partner for your business Salesforce needs. This is what Apphienz is about. We have the experience, the strategies, and the expertise to serve you at the capacity that you require. 

Apphienz is an authorized Salesforce Registered Consulting Partner that has helped over 100 corporations and nonprofit organizations. Apphienz provides transformational business and technology services that are customized to become a unique solution for your company specifically in the sales, services, and marketing ecosystem.

We enable organizations to better connect with their customers through comprehensive business analysis, effective management of change, and selection and deployment of enabling technologies. We have helped over 100 corporations of all sizes and several nonprofit organizations. Apphienz has helped with sales and marketing enablement and transforming the customer service organization by bringing the various departments within an organization like Sales, Marketing, Customer Support, Helpdesk, Partners, Human Resources, and other groups closer together.

Uber clone app is a ready-made taxi app solution built to help those who want to start their online taxi business. Seeing the growing popularity of on-demand taxi apps in the market, mobile app development companies started to create ready-made taxi app scripts that can be used to build an Uber- like app in less time. Gojek clone is a ready-made app script build for multi-service on-demand businesses. One can run more than 52 different on-demand services with one app. This gives you multiple opportunities to make money by offering different sets of on-demand services.

We love to bring you results that not only fulfill your requirements and fit right into your solution set but rather become an essential and natural part of the system and this is how we

We take care of all the technology so you can focus on what you do best. We create software that is used by millions of users, in sectors spanning Education, Technology, Healthcare, Travel and beyond.

Our team of enthusiastic developers and designers passionate about turning big ideas into reality. Our unique mixture of skills guarantees that any project, no matter how complex, will be a success.

Aspire Systems is a global technology services firm serving as a trusted technology partner for our customers. We work with some of the world's most innovative enterprises and independent software vendors, helping them leverage technology and outsourcing in our specific areas of expertise. Our services include Product Engineering, Enterprise Solutions, Independent Testing Services and IT Infrastructure Support services. Our core philosophy of "Attention. Always." communicates our belief in lavishing care and attention on our customers and employees.

Our team developed The Everyday Retail Blueprint to configure and customize the tools needed to improve the customer experience, streamline the supply chain, and report across the organization. This proven methodology helps retailers keep critical data, assets, and people connected and in sync everyday.

BE GREAT

Building great digital products is hard.

Being a great digital product company is harder.

We help you be great at both for competitive advantage.

B² Interactive is a web design, SEO, and local search optimization firm based in Omaha, Neb. Our company was founded in 2012 by Bill Hipsher and Brandon Taylor, both of whom have more than 20 years of experience in web development and internet marketing.