Top C# Сompanies in United States

497 Firms

Best C# Custom Software Development Agencies United States

Custom Software Solutions and Cloud-Native DevOps
5.0

Our services range from helping you choose the best technology stack to developing complete solutions and integrating and migrating legacy systems.

Overview Altoros
  • Altoros Project's Size

    $25,000 +

  • Altoros Number of Employees

    250 - 999

  • Altoros Hourly Rate

    $50 - $99 / hr

  • Altoros Location

    US, Pleasanton

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Over 500+ Successful Products Delivered Globally
5.0

We are one of the leading app development companies in NY, USA for Startups & Enterprise, focus on high-quality android, ios & web development services.

Overview Appinventiv
  • Appinventiv Project's Size

    $5,000 +

  • Appinventiv Number of Employees

    250 - 999

  • Appinventiv Hourly Rate

    $25 - $49 / hr

  • Appinventiv Location

    US, Manhattan

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Award Winning Digital Product Development Company
5.0

Cubix is a Software Development Company in USA that provides Software Development Services, Product Development, Mobile App Development and Game ...

Overview Cubix
  • Cubix Project's Size

    $25,000 +

  • Cubix Number of Employees

    50 - 249

  • Cubix Hourly Rate

    $25 - $49 / hr

  • Cubix Location

    US, Florida City

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Mobile App Development Company
5.0

Our team of expert designers and developers ensures that the best quality trends and tools are incorporated into our products to ensure quality is not compromised. As a process-oriented company, we strive to provide our customers with timely, flexible and results-oriented solutions. Work with startups and large organizations to streamline your workflow

Overview eBizneeds
  • eBizneeds Project's Size

    $10,000 +

  • eBizneeds Number of Employees

    250 - 999

  • eBizneeds Hourly Rate

    $50 - $99 / hr

  • eBizneeds Location

    IN, Jaipur

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Mobile App Development Company
5.0

They have worked on 500+ mobile apps and helped many startups and well-established industries to transform their business models with cost-effective and unique solutions. With the immense industry experience and their dedicated approach, they have marked a strong position in the on-demand industry.

Overview Elluminati Inc
  • Elluminati Inc Project's Size

    $10,000 +

  • Elluminati Inc Number of Employees

    50 - 249

  • Elluminati Inc Hourly Rate

    $25 - $49 / hr

  • Elluminati Inc Location

    US, Waxhaw

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AI Developer | Machine Learning Company
5.0

Ezapp is a chatbot development company, an expert in Artificial Intelligence Software, Machine Learning App Development, AI Analytics, Business Intelligence, and AI-powered Apps. Our primary aim is to provide excellent service that supersedes the client's expectation with High quality, Niche technologies, attention to detail, and craftsmanship of the Product that brings success and Joy for the Client.

Overview EzappSolution
  • EzappSolution Project's Size

    $25,000 +

  • EzappSolution Number of Employees

    1,000 - 9,999

  • EzappSolution Hourly Rate

    $25 - $49 / hr

  • EzappSolution Location

    IN, Gurgaon

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Software Development Company
5.0

All aforementioned FATbit products also come with one-year of free technical support and are a part of the company’s white label partnership program. This program helps other software development companies increase their product offerings and offer rebranded solutions to clients at their own price. FATbit Technologies signs an NDA with its white label partners to protect their intellectual property rights. 

Some other services that FATbit Technologies provides along with software development are mobile app development, web development, MVP development, ERP, CRM and CMS development, digital marketing and business consulting. 

Overview FATbit Technologies
  • FATbit Technologies Project's Size

    $1,000 +

  • FATbit Technologies Number of Employees

    50 - 249

  • FATbit Technologies Hourly Rate

    $25 - $49 / hr

  • FATbit Technologies Location

    IN, Mohali

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Salesforce Gold Consulting Partner - Focus On Excellence
5.0

Fexle INC is a Silver Consulting partner Company furnishing a wide range of Salesforce CRM Development Services. Fexle Inc is the fastest-growing IT solutions provider in the world. We are dedicated to delivering quality-driven solutions including cloud computing, web development, and mobile app development to our global clients. Fexle Inc is an ISO 9001:2015 and ISO 27001:2013 certified company. It was established in 2013. Awarded as the Silver Consulting Partner by Salesforce and gained 150+ other certificates. We have marked our physical presence in India, USA, and continuously expanding demographically in other countries as well. It has worked with 1000+ technology giants, including EAB, Bullhorn, and Rebel Athletic to name a few. We have successfully delivered 1500+ projects to our global clientele with the highest client satisfaction rate. More than 30+ industries are leveraging from our solutions, including hospitality, healthcare, entertainment, eCommerce, telecom, education, and banking, to name a few.

Overview Fexle
  • Fexle Project's Size

    $5,000 +

  • Fexle Number of Employees

    250 - 999

  • Fexle Hourly Rate

    $50 - $99 / hr

  • Fexle Location

    US, Plano

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Delivering Innovative Technology Solution
5.0

Nevina infotech - We are renowned for our expert-level and high-tech custom web and mobile app development services in Brighton, MA, USA. We have a completely process-driven and extremely focused approach for all our services. From understanding the client requirements to ensuring that our services meet them exactly, we work with a systematic process. This is why companies from completely different industries like. The company is process-driven, targeting business-to-business clientele and providing end-to-end results. The company is focussing on challenging projects to accomplish with the listed technologies such as Magento, Laravel, iBeacon, IoT, trending technologies, and the mobile app development industry. Nevina Infotech serves different sectors of industries such as Food & Beverages, Manufacturing, Travel & tourism, marketplace projects (Amazon & Alibaba), and more. We are passionate, knowledgeable, and committed to providing our customers with the best possible services and solutions.

Overview Nevina Infotech
  • Nevina Infotech Project's Size

    $5,000 +

  • Nevina Infotech Number of Employees

    10 - 49

  • Nevina Infotech Hourly Rate

    $25 - $49 / hr

  • Nevina Infotech Location

    US, Bridgton

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One Stop for Technology
5.0

Quality is not an act, it is a habit and it has been followed since 2012, and will be followed for our partnership with you as well. Your needs will be met in the most efficient fashion following the AGILE and SCRUM principles. We find sophistication in simplicity. And we are excited to simplify your digital augmentation.

We are coterie of well-wishers for your business. Let us get in touch today!

Overview Orion eSolution
  • Orion eSolution Project's Size

    $10,000 +

  • Orion eSolution Number of Employees

    50 - 249

  • Orion eSolution Hourly Rate

    $50 - $99 / hr

  • Orion eSolution Location

    US, San Jose

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The Premier MLM Software
5.0

At Prime, we envision a future where multi-level marketers will have access to tailored software solutions — this will allow them to succeed in the industry. We aim to deliver software solutions for MLM businesses that are practical and affordable. To achieve this end, we are always on the lookout for expert developers and strategists who can come up with cutting-edge strategies using state-of-the-art tools. In conclusion, we are living in an era driven by technology.

Overview Prime MLM Software
  • Prime MLM Software Project's Size

    $1,000 +

  • Prime MLM Software Number of Employees

    50 - 249

  • Prime MLM Software Hourly Rate

    $50 - $99 / hr

  • Prime MLM Software Location

    US, New York City

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Free eCommerce Platform
5.0

Quick eSelling allows small and medium businesses to create their free online store. Create a free ecommerce website and mobile app with just no time with Quick eSelling. Free hosting, multiple payment gateways, customizable front-end are some of the key features of the Quick eSelling ecommerce platform.

Overview Quick eSelling
  • Quick eSelling Project's Size

    $1,000 +

  • Quick eSelling Number of Employees

    10 - 49

  • Quick eSelling Hourly Rate

    < $25 / hr

  • Quick eSelling Location

    US, Pittsford

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Technology solutions to Scale Your Business
5.0

At Solvios Technology LLC, we are a Custom Software Development company that intends to impart cost-effective software development to match your business needs and timeframe. With our hands-on experience in SDLC, we hold expertise in delivering performance-centric solutions. Over the years, we have worked with software development companies, start-ups, and entrepreneurs to simplify their IT requirements. We believe in bringing Companies and Customers together for organizations seeking an industry-leading Salesforce Cloud Solution. Whether you are at the initial level with Salesforce or in the middle of the CRM adoption strategy, our assistance to Salesforce implementation services can set up or even upgrade customer relationship management to the next level. We offer full-service custom software solutions with capabilities across Web Applications Development, Mobile App Development, CRM solutions, Cloud Migration Services Salesforce, UI/UX, Ringcentral Integration Services including Maintenance and Support services.

Overview Solvios Technology, LLC
  • Solvios Technology, LLC Project's Size

    $1,000 +

  • Solvios Technology, LLC Number of Employees

    10 - 49

  • Solvios Technology, LLC Hourly Rate

    $25 - $49 / hr

  • Solvios Technology, LLC Location

    US, Alpharetta

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Digital Marketing Agency - Your Business Thrives on the Reef
5.0

Columbus, Ohio based Split Reef is a top software development company of the state, modern, results-driven digital organization always ready to support clients in their search for digital supremacy. Split Reef assumes full ownership of most client’s digital needs, thereby allowing them to focus on core business processes. We are dedicated to strategically partnering with businesses to ascertain new heights in digital world. Split Reef is a fully integrated digital marketing agency in Columbus, Ohio offering services from innovative design to effective web or mobile development. We lead and execute client marketing efforts using Organic SEO, PPC/Ad Word Marketing, and Conversion Rate Optimization.

Overview Split Reef
  • Split Reef Project's Size

    $10,000 +

  • Split Reef Number of Employees

    10 - 49

  • Split Reef Hourly Rate

    $25 - $49 / hr

  • Split Reef Location

    US, Columbus

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Your Ultimate Partner For Future Proof Digital Transformation
5.0

Our culture is all about continuous improvement, finding better ways to do things, and raising quality standards. We want to stay on the cutting edge of the newest and most effective technology trends. At the core of our frameworks lie technologies like Asp.net, Node, PHP, Ruby on Rails, React, React Native, Angular, native mobile apps for iOS and Android, SQL, Postgres and Mongo to name a few.

 It’s the user experience that matters the most – that’s what we think at Techverx. Our clients must enjoy working with us. Moreover, they should love using the software we develop for them or their customers. We consider the amount of effort you put in to your business, and we too want to give it our best to help you achieve your target.

Overview Techverx
  • Techverx Project's Size

    $5,000 +

  • Techverx Number of Employees

    250 - 999

  • Techverx Hourly Rate

    $25 - $49 / hr

  • Techverx Location

    US, Plano

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Custom Software Development Company
5.0

We are custom software developers who help companies from all industry verticals, including Tech, Healthcare, Financial Services, Education, and retail, to achieve their digitization vision by developing and implementing software tailored to their needs. We are certified partners for Salesforce, Microsoft Azure, AWS, G Suite, and ServiceNow, experts in AngularJS development.

Overview Tkxel
  • Tkxel Project's Size

    $25,000 +

  • Tkxel Number of Employees

    250 - 999

  • Tkxel Hourly Rate

    $25 - $49 / hr

  • Tkxel Location

    US, Reston

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VinnCorp - Digital Transformation Firm
5.0

VinnCorp is a Digital Transformation Firm known well in the I.T Industry for providing premium quality services like Web Development, Enterprise systems, Social Media Marketing, UI/UX Designing, Mobile App Development, and System Integration with the assistance of highly qualified and experienced resources working dedicatedly to complete the projects with proficiency. We're a team of professionals with 60+ satisfied customers who've been a part of our digital transformation firm since the company's initial days.

Overview Vinncorp
  • Vinncorp Project's Size

    $10,000 +

  • Vinncorp Number of Employees

    10 - 49

  • Vinncorp Hourly Rate

    $25 - $49 / hr

  • Vinncorp Location

    US, Elk Grove

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PHP Software Developers
4.9

Our cross-functional team works in an agile process to design, develop and launch your products. From your custom software development plan, to your interactive

Overview 1218 App Team
  • 1218 App Team Project's Size

    $25,000 +

  • 1218 App Team Number of Employees

    10 - 49

  • 1218 App Team Hourly Rate

    $100 - $149 / hr

  • 1218 App Team Location

    US, San Diego

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Custom Web Application Development
4.9

Drupal development company. We transform businesses through business websites. From website design to backend development, our award-winning in-house team has a heart and talent for all things digital.

Overview 95Visual
  • 95Visual Project's Size

    $5,000 +

  • 95Visual Number of Employees

    2 - 9

  • 95Visual Hourly Rate

    $100 - $149 / hr

  • 95Visual Location

    US, Los Angeles

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Quality, affordable app development
4.9

The simple summer project that started it all now has a user base worldwide of 500000 users.

Overview 9magnets
  • 9magnets Project's Size

    $1,000 +

  • 9magnets Number of Employees

    2 - 9

  • 9magnets Hourly Rate

    $100 - $149 / hr

  • 9magnets Location

    US, Valparaiso

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Custom Cross Platform Mobile App Development
4.9

To get started on developing your own Mobile App, AB Mobile Apps is here to answer all of your questions, and to help focus your market’s attention on your business via your own custom-built cross platform Mobile App.

Overview AB Mobile Apps
  • AB Mobile Apps Project's Size

    $25,000 +

  • AB Mobile Apps Number of Employees

    2 - 9

  • AB Mobile Apps Hourly Rate

    $100 - $149 / hr

  • AB Mobile Apps Location

    US, Kalamazoo

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Trusted Software A-Z
4.9

Our Aezion family consists of innovative designers and associates, technical and creative writers, software programmers, sales and marketing professionals and others having a support system in the form of top management individuals.

Overview Aezion
  • Aezion Project's Size

    $25,000 +

  • Aezion Number of Employees

    10 - 49

  • Aezion Hourly Rate

    $50 - $99 / hr

  • Aezion Location

    US, Frisco

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CRO Marketing Agency | Dependable Technology Services
4.9

Affirma is a World-Class Creative Agency and Full-Service Consulting Firm. We offer prototyping, visual design, social media, advertising, Salesforce consulting services.

Overview Affirma
  • Affirma Project's Size

    $10,000 +

  • Affirma Number of Employees

    250 - 999

  • Affirma Hourly Rate

    $100 - $149 / hr

  • Affirma Location

    US, Los Angeles

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Creativity at its Best
4.9

Alex Solutions has diversified team of professionals who have got expertise in different tools and technologies over the past years.

Overview Alex Solutions
  • Alex Solutions Project's Size

    $50,000 +

  • Alex Solutions Number of Employees

    10 - 49

  • Alex Solutions Hourly Rate

    $100 - $149 / hr

  • Alex Solutions Location

    US, Dallas

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Custom Software | Angular Consulting and Development Agency
4.9

Improve operational efficiency and drive revenue growth with custom software designed to achieve business outcomes.

Overview AltSource, Inc
  • AltSource, Inc Project's Size

    $250,000 +

  • AltSource, Inc Number of Employees

    50 - 249

  • AltSource, Inc Hourly Rate

    $150 - $199 / hr

  • AltSource, Inc Location

    US, Portland Heights

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Creating beautiful apps with web, mobile & AR/VR
4.9

Hire us to build you a beautiful, game-changing mobile or web app. 

Overview Anon Consulting
  • Anon Consulting Project's Size

    $25,000 +

  • Anon Consulting Number of Employees

    2 - 9

  • Anon Consulting Hourly Rate

    $150 - $199 / hr

  • Anon Consulting Location

    US, Boston

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Helpin enterprises become more efficient and agile
4.9

Appirio is a Salesforce consulting and Google consulting partner that provides strategic, operational, change enablement, and user adoption services.

Overview Appirio
  • Appirio Project's Size

    $100,000 +

  • Appirio Number of Employees

    1,000 - 9,999

  • Appirio Hourly Rate

    $150 - $199 / hr

  • Appirio Location

    US, Indianola

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Custom Mobile App and Custom Software Development
4.9

AppIt Ventures is an award-winning custom software development company. Our experienced app developers specialize in web and mobile app development.

Overview AppIt Ventures
  • AppIt Ventures Project's Size

    $25,000 +

  • AppIt Ventures Number of Employees

    10 - 49

  • AppIt Ventures Hourly Rate

    $100 - $149 / hr

  • AppIt Ventures Location

    US, Denver

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Salesforce Certified Partner
4.9

AppShark: Leading Salesforce partners specializing in implementation, integration, consulting, custom development, apps and project management.

Overview AppShark Software
  • AppShark Software Project's Size

    $10,000 +

  • AppShark Software Number of Employees

    50 - 249

  • AppShark Software Hourly Rate

    $50 - $99 / hr

  • AppShark Software Location

    US, Dallas

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Web Programming - Mobile Development - UI/UX Desig
4.9

We excel at transforming complex business needs into scalable and powerful solutions. Whether it’s enterprise level software development, machine learning

Overview Appworks
  • Appworks Project's Size

    $5,000 +

  • Appworks Number of Employees

    10 - 49

  • Appworks Hourly Rate

    $100 - $149 / hr

  • Appworks Location

    US, San Francisco

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AppZoro Brings Your Imagination To Reality
4.9

AppZoro - Atlanta app developers and Atlanta web developers company. Request a quote for app development in Atlanta & web development.

Overview AppZoro
  • AppZoro Project's Size

    $5,000 +

  • AppZoro Number of Employees

    10 - 49

  • AppZoro Hourly Rate

    $50 - $99 / hr

  • AppZoro Location

    US, Atlanta

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Michigan’s Premier App Development Group
4.9

Since 2004, our elite team of mobile developers and designers have built award-​winning, chart-topping iOS & Android apps.

Overview Arbormoon Software
  • Arbormoon Software Project's Size

    $25,000 +

  • Arbormoon Software Number of Employees

    10 - 49

  • Arbormoon Software Hourly Rate

    $50 - $99 / hr

  • Arbormoon Software Location

    US, Annandale

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Merging Ideas and Technologies We Develop Success
4.9

We design custom software solutions, provide web, mobile, desktop and embedded development, test product ideas and business models, and build development teams

Overview Archer Software
  • Archer Software Project's Size

    $50,000 +

  • Archer Software Number of Employees

    50 - 249

  • Archer Software Hourly Rate

    $25 - $49 / hr

  • Archer Software Location

    US, New York City

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The Technology Problem Solvers
4.9

Architecting Innovation is the technology-agnostic problem-driven technology problem solvers

Overview Architecting Innovation
  • Architecting Innovation Project's Size

    $25,000 +

  • Architecting Innovation Number of Employees

    10 - 49

  • Architecting Innovation Hourly Rate

    $50 - $99 / hr

  • Architecting Innovation Location

    US, Dallas

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Credit Union Web Design
4.9

Award-winning responsive credit union web design, CMS, hosting, chatbots, marketing, ADA accessibility, SEO, social media and financial calculators

Overview Avtec Media Group
  • Avtec Media Group Project's Size

    $10,000 +

  • Avtec Media Group Number of Employees

    10 - 49

  • Avtec Media Group Hourly Rate

    $50 - $99 / hr

  • Avtec Media Group Location

    US, Portland

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AI Company | Your Product Development Partner
4.9

Azilen Technologies is leading Digital IT Services Provider Since 2009 actively managing 30+ PLC for cross function industries. We specialize in managing entire Product Life Cycle, Consulting and Digital Transformation.

Overview Azilen Technologies
  • Azilen Technologies Project's Size

    $25,000 +

  • Azilen Technologies Number of Employees

    50 - 249

  • Azilen Technologies Hourly Rate

    $25 - $49 / hr

  • Azilen Technologies Location

    US, West Bangor

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Reliable software development outsourcing partner
4.9

Azoft is a software development company with over 15 years of experience providing full-cycle development. Dedicated teams and top developers for hire.

Overview Azoft
  • Azoft Project's Size

    $5,000 +

  • Azoft Number of Employees

    50 - 249

  • Azoft Hourly Rate

    $50 - $99 / hr

  • Azoft Location

    US, New York City

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Building Technology That Builds Businesses
4.9

We are an award-winning interactive design and development company of digital products, located on Atlanta’s Westside! Let us help you create tech that fits

Overview Azul Arc
  • Azul Arc Project's Size

    $5,000 +

  • Azul Arc Number of Employees

    10 - 49

  • Azul Arc Hourly Rate

    $50 - $99 / hr

  • Azul Arc Location

    US, Atlanta

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Atlanta App and Software Developers
4.9

Band of Coders is a software & mobile app development company USA and Canada. Click to learn how our elite coders can get your app idea off the ground.

Overview Band of Coders
  • Band of Coders Project's Size

    $5,000 +

  • Band of Coders Number of Employees

    10 - 49

  • Band of Coders Hourly Rate

    $50 - $99 / hr

  • Band of Coders Location

    US, Atlanta

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Full Cycle Software Development Company
4.9

Belitsoft is a reliable software development company. 350+ developers. 17 years in the market. Java, .NET, PHP, Python, C, C#, C++, Node.js, Javascript, Angular.js, React and other tech stacks.

Overview Belitsoft
  • Belitsoft Project's Size

    $5,000 +

  • Belitsoft Number of Employees

    250 - 999

  • Belitsoft Hourly Rate

    $25 - $49 / hr

  • Belitsoft Location

    US, New York City

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