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Top C# Developers

C is a popular and widely used structured programming language. Dedicated C# developers leverage it to create state-of-the-art, tailored solutions for various platforms. Their primary role is designing, building, and deploying customized software applications. They provide invaluable technical expertise needed to create, maintain, and optimize sophisticated software solutions. C# developers are focused on delivering versatile, high-performing, and robust software. Clutch has gathered the best C# development companies ready to help execute your software ideas. Partner with the right team by assessing their individual company profiles, case studies, and client ratings. Additionally, feel free to utilize the filters we’re prepared to streamline your search. Explore the top firms in: US | UK | Canada.
Ratings Updated: December 4, 2025
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15 Leaders 15 Contenders

4,598 Companies

Programming & Scripting: C#

List of the Top C# Development Companies

  • Theo IT Development Ltd Logotype

    Theo IT Development Ltd

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    30% Custom Software Development
    50% Application Testing
    20% API Development

    Focus Areas

    20% C#
    20% C++
    15% Java +3
    15% JavaScript
    15% Python
    15% Ruby

    Established in 2023, Theo IT Development Ltd is an Application Testing company. In London, England, the team focuses on Application Testing and Custom Software Development.

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  • Daniel Sarkwa Logotype

    Daniel Sarkwa

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    20% Custom Software Development
    20% BI & Big Data Consulting & SI
    20% UX/UI Design +2
    20% Web Design
    20% Web Development

    Focus Areas

    30% C#
    30% JavaScript
    20% ASP.NET +1
    20% HTML5

    Daniel Sarkwa is a web design company headquartered in Turku, Finland. Their services include Web Design and UX/UI Design.

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  • Mystic Engineering / Mystic Industries Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Everett, WA

    Services provided

    20% Custom Software Development
    20% Contract Manufacturing
    20% Engineering +2
    20% Mobile App Development
    20% Product Design

    Focus Areas

    25% C#
    25% C
    25% C++ +1
    25% Python

    Mystic Engineering / Mystic Industries is a small Product Design company located in Everett, Washington. Their services include Product Design and Custom Software Development.

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  • Business Automation Specialists of Minnesota Logotype

    Not yet reviewed

    Undisclosed
    $150 - $199 / hr
    2 - 9
    Coon Rapids, MN

    Services provided

    10% Custom Software Development
    40% ERP Consulting and SI
    30% CRM Consulting and SI +2
    10% E-Commerce Development
    10% Web Design

    Focus Areas

    20% C#
    60% Other programming & scripting languages
    20% AJAX

    Business Automation Specialists of Minnesota is an ERP consulting and SI company. They were established in 1985 and provide ERP consulting and SI and CRM consulting and SI.

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  • NetPack Technologies, Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Wilmington, MA

    Services provided

    20% Custom Software Development
    20% E-Commerce Development
    20% Logo +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

    10% C#
    10% AJAX
    10% ASP +7
    10% C
    10% C++
    10% Java
    10% JavaScript
    10% PHP
    10% Perl
    10% SQL

    Headquartered in Wilmington, Massachusetts, NetPack Technologies, Inc is a small software development firm. Their services include Custom Software Development and E-Commerce Development.

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  • Kamedia Technology Services Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Kfar HaRif, Israel

    Services provided

    15% Custom Software Development
    20% UX/UI Design
    15% Branding +4
    15% Web Design
    15% Web Development
    10% Logo
    10% Product Design

    Focus Areas

    15% C#
    20% Java
    20% PHP +3
    15% ASP
    15% ASP.NET
    15% SQL

    UX company Kamedia Technology Services was launched in 2014. The firm provides UX/UI Design and Custom Software Development.

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  • Sensorita Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Oslo, Norway

    Services provided

    10% Custom Software Development
    60% IoT Development
    10% IT Managed Services +2
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    20% C#
    20% AJAX
    20% ASP.NET +2
    20% JavaScript
    20% Swift

    Sensorita is an IoT development company launched in 2020. The team focuses on IoT development and Custom Software Development and is in Oslo, Norway.

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  • Bancroft Solutions, LLC Logotype

    Bancroft Solutions, LLC

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    10% Custom Software Development
    20% CRM Consulting and SI
    20% Cloud Consulting & SI +4
    20% Corporate Training & Coaching
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Web Development

    Focus Areas

    20% C#
    20% ASP.NET
    20% C++ +2
    20% Java
    20% PHP

    Bancroft Solutions, LLC, a cloud consulting & SI company, is located in Lewes, Delaware and North Myrtle Beach, South Carolina. They offer cloud consulting & SI and CRM consulting and SI.

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  • SyCo Media Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    San Francisco, CA

    Services provided

    10% Custom Software Development
    10% E-Commerce Development
    10% Email Marketing +7
    10% Mobile App Development
    10% Pay Per Click
    10% Print Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Production
    10% Web Development

    Focus Areas

    20% C#
    20% Java
    20% PHP +4
    10% HTML5
    10% Kotlin
    10% Python
    10% XML

    Located in San Francisco, California, SyCo Media Inc. Is a small social media marketing company. Their services include Social Media Marketing and Email Marketing.

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  • Sappsworld Programming Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Phoenix, AZ

    Services provided

    20% Custom Software Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Web Design
    20% Web Development

    Focus Areas

    10% C#
    20% C++
    20% Java +3
    20% PHP
    20% Visual Basic
    10% C

    Sappsworld Programming is a small Phoenix, Arizona-based web design agency. Their services include Web Design and Custom Software Development.

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  • Teambees Corp Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Chicago, IL

    Services provided

    20% Custom Software Development
    10% Application Testing
    10% BI & Big Data Consulting & SI +6
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% IoT Development
    10% Mobile App Development
    10% Staffing
    10% UX/UI Design

    Focus Areas

    10% C#
    10% ASP.NET
    10% C +7
    10% C++
    10% Java
    10% JavaScript
    10% PHP
    10% Python
    10% Ruby
    10% Typescript

    Teambees Corp, a custom software development company, was launched in 2020. The team offers Custom Software Development and UX/UI Design and is in Chicago, Illinois and Gurugram, India.

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  • Bestkeywordsmarketing.com Logotype

    Bestkeywordsmarketing.com

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Custom Software Development
    20% Social Media Marketing
    10% BI & Big Data Consulting & SI +5
    10% Cloud Consulting & SI
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Web Design

    Focus Areas

    10% C#
    10% AJAX
    10% Apex +7
    10% C
    10% C++
    10% HTML5
    10% Java
    10% JavaScript
    10% PHP
    10% backbone.js

    Bestkeywordsmarketing.com is a small social media marketing agency. They provide Social Media Marketing and Custom Software Development and were established in 2005.

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  • Whispering Woods Software Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Charlottesville, VA

    Services provided

    20% Custom Software Development
    25% Search Engine Optimization
    25% Web Design +2
    20% E-Commerce Development
    10% Social Media Marketing

    Focus Areas

    10% C#
    15% JavaScript
    15% PHP +6
    10% ASP.NET
    10% C
    10% C++
    10% HTML5
    10% SQL
    10% XML

    Established in 2012, Whispering Woods Software is a SEO agency. Their services include Search Engine Optimization and Web Design.

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  • Adiuvat Consulting Logotype

    Adiuvat Consulting

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Custom Software Development
    20% Computer Engineering
    10% API Development +5
    10% Application Management & Support
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% Enterprise App Modernization

    Focus Areas

    10% C#
    10% C
    10% C++ +8
    10% Go
    10% Perl
    10% Python
    10% SQL
    10% Swift
    10% Visual Basic
    5% Java
    5% JavaScript

    Launched in 2021, Adiuvat Consulting is a custom software development company. The team offers Custom Software Development and Computer Engineering.

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  • Summit Scientific, Inc. Logotype

    Summit Scientific, Inc.

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    10% Custom Software Development
    20% Computer Engineering
    20% Engineering +5
    10% AI Development
    10% Application Management & Support
    10% Contract Manufacturing
    10% IT Managed Services
    10% Product Design

    Focus Areas

    20% C#
    20% C
    20% C++ +2
    20% Java
    20% Python

    Located in Seattle, Washington, Summit Scientific, Inc. Is a small Engineering company. Their services include Engineering and Computer Engineering.

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  • Systems Programming Consultants, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Rockville, MD

    Services provided

    20% Custom Software Development
    20% AR/VR Development
    20% Application Management & Support +2
    20% Application Testing
    20% Web Development

    Focus Areas

    10% C#
    70% C++
    10% C +1
    10% Java

    Systems Programming Consultants, Inc. Is a software development firm. Established in 1982, their team specializes in Custom Software Development and Web Development.

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  • ACE Software, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Phoenix, AZ

    Services provided

    10% Custom Software Development
    10% API Development
    10% BI & Big Data Consulting & SI +8
    10% Business Consulting
    10% Cloud Consulting & SI
    10% ERP Consulting and SI
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development
    5% Graphic Design
    5% Search Engine Optimization

    Focus Areas

    20% C#
    20% C++
    20% Java +2
    20% PHP
    20% SQL

    ACE Software, LLC is a data analytics company. The small Phoenix, Arizona-based team offers BI & big data consulting & SI and cloud consulting & SI. The firm was launched in 2013.

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  • Make It Your Web Logotype

    Make It Your Web

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    15% Custom Software Development
    15% Web Design
    10% E-Commerce Development +6
    10% IT Strategy Consulting
    10% Logo
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Development

    Focus Areas

    15% C#
    15% C++
    15% JavaScript +5
    15% PHP
    10% AJAX
    10% HTML5
    10% SQL
    10% jquery

    Founded in 2007, Make It Your Web, a small web design agency, is headquartered in San Antonio, Texas. Their team focuses on Web Design and Custom Software Development.

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  • MLS Technologies, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Charlotte, NC

    Services provided

    20% Custom Software Development
    20% Cloud Consulting & SI
    20% Mobile App Development +4
    10% Application Testing
    10% Content Writing Services
    10% DevOps Managed Services
    10% IoT Development

    Focus Areas

    10% C#
    20% JavaScript
    10% ASP.NET +6
    10% C
    10% C++
    10% Java
    10% Perl
    10% Ruby
    10% SQL

    MLS Technologies, Inc. Is a cloud consulting & SI company in Charlotte, North Carolina. The team specializes in cloud consulting & SI and Custom Software Development.

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  • WebZest LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Cranford, NJ

    Services provided

    15% Custom Software Development
    40% Cybersecurity
    20% Web Development +2
    15% Corporate Training & Coaching
    10% IT Strategy Consulting

    Focus Areas

    15% C#
    20% JavaScript
    20% Python +3
    15% C++
    15% HTML5
    15% SQL

    WebZest LLC is a Cybersecurity company. Their small team of employees is in Cranford, New Jersey. Their team offers Cybersecurity and Web Development.

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  • Nueve Pty Ltd. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Sydney, Australia

    Services provided

    20% Custom Software Development
    20% Application Testing
    20% CRM Consulting and SI +3
    20% Mobile App Development
    10% Cloud Consulting & SI
    10% ERP Consulting and SI

    Focus Areas

    10% C#
    20% HTML5
    20% JavaScript +3
    20% Python
    20% SQL
    10% ASP.NET

    Established in 2013, Nueve Pty Ltd. Is a CRM consulting and SI company. Their team offers CRM consulting and SI and Custom Software Development.

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  • Atreon Logotype

    Atreon

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    10% Custom Software Development
    10% API Development
    10% Application Testing +7
    10% BI & Big Data Consulting & SI
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% Web Development

    Focus Areas

    20% C#
    20% HTML5
    15% Java +3
    15% JavaScript
    15% PHP
    15% SQL

    Established in 2022, Atreon is a small London, England-based big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.

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  • Zunch Labs Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Dallas, TX

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    15% Application Management & Support +3
    15% Application Testing
    15% IoT Development
    15% Web Development

    Focus Areas

    10% C#
    10% C++
    10% HTML5 +7
    10% Java
    10% JavaScript
    10% Objective C
    10% PHP
    10% Perl
    10% Python
    10% Ruby

    Zunch Labs is a custom software development company launched in 2000. Their team provides Custom Software Development and Mobile App Development.

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  • AI-TOMATICA s.r.o. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Prague 8, Czech Republic

    Services provided

    20% Custom Software Development
    20% AI Development
    20% IT Strategy Consulting +2
    20% IoT Development
    20% Robotics Process Automation

    Focus Areas

    10% C#
    10% ASP.NET
    10% C +7
    10% C++
    10% Java
    10% JavaScript
    10% PHP
    10% Python
    10% Ruby
    10% SQL

    Founded in 2024, AI-TOMATICA s.r.o. Is a small IT strategy consulting company headquartered in Prague 8, Czech Republic. Their team offers IT strategy consulting and Custom Software Development.

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  • EZ Dev Logotype

    EZ Dev

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Custom Software Development
    20% API Development
    20% CRM Consulting and SI +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    10% C#
    10% ASP.NET
    10% C++ +7
    10% Java
    10% JavaScript
    10% Kotlin
    10% Python
    10% SQL
    10% Swift
    10% XML

    EZ Dev is a CRM consulting and SI company. Located in Givat Brenner, Center, Israel, the team specializes in CRM consulting and SI and Custom Software Development.

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  • Bitswits Logotype

    4.9 10 reviews
    $25,000+
    $25 - $49 / hr
    50 - 249
    Karachi, Pakistan

    Services provided

    10% Custom Software Development
    40% Mobile App Development
    10% AI Development +4
    10% AR/VR Development
    10% Blockchain
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    11% C#
    12% Elixir
    11% ASP.NET +6
    11% C
    11% C++
    11% Go
    11% Java
    11% JavaScript
    11% Rust

    Bitswits is a bespoke software development company praised for its custom software creation, particularly in mobile and transcription applications. Clients highlight their innovative solutions, seamless user interfaces, and high client satisfaction. While there are occasional project delays, over 80% of reviews emphasize their responsiveness and cost-effectiveness, with 75% noting their tailored and technically advanced software engineering capabilities.

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    Reviews mention Easy to reach

    Clients appreciate Bitswits' accessibility and responsiveness throughout their projects. One reviewer noted that Bitswits consistently delivered items on time and maintained open communication, which fostered collaboration. They were described as highly responsive to client needs and adept at addressing any issues promptly. Overall, the sentiment surrounding their availability is overwhelmingly positive, highlighting their commitment to ensuring client satisfaction and effective project management.
    • Custom Software Dev for Transcription Service Company
      5.0 Jun 28, 2023

      Bitswits maintained open lines of communication and fostered collaboration throughout the project. They actively engaged with our team, regularly providing updates on progress, addressing any concerns, and seeking clarification when needed. Their proactive approach ensured that we were continuously informed and involved in the project's development.

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    4 of 4 Custom Software Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Blockchain Technology & Mobile App Dev for Fintech Company

    5.0 — A fintech company hired Bitswits to overhaul their app and integrate SQL injection and blockchain technology into their platform. The team featured the app for users to conduct cryptocurrency Read more
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    Industry Experience

    Bitswits has demonstrated expertise across various industries, including Supply Chain & Logistics, Gaming, and Advanced Transcription Services. Clients praised their exceptional project management, user-friendly interfaces, and innovative solutions, highlighting their ability to deliver tailored applications that enhance operational efficiency. Overall sentiment reflects strong satisfaction, particularly in the construction and logistics sectors, where their custom applications significantly improved processes and user experience. Potential clients in these industries may find Bitswits a fitting choice for their project needs.

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    Other Industry Supply Chain, Logistics, and Transport Gaming

    Average Project Cost Breakdown

    $10,000 to $49,000 (2) $50,000 to $199,999 (1)

    What Clients Have Said

    Clients consistently commend Bitswits for delivering exceptional value for money, citing their pricing as budget-friendly and aligned with project needs. One client noted they received a product worth ten times the cost compared to competitors. Another highlighted that Bitswits exceeded expectations while maintaining effective communication and responsiveness. Overall, the sentiment is overwhelmingly positive, with clients appreciating the quality of work relative to the investment, although some mentioned minor delays in deliverables.
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  • Buffer Group Logotype

    Buffer Group

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249

    Services provided

    10% Custom Software Development
    20% Application Testing
    20% ERP Consulting and SI +3
    20% IT Managed Services
    20% Staffing
    10% AR/VR Development

    Focus Areas

    11% C#
    17% Java
    17% Python +5
    11% C++
    11% JavaScript
    11% Objective C
    11% PHP
    11% SQL

    Based in Hallandale Beach, Florida and Warsaw, Poland, Buffer Group is an ERP consulting and SI company. They specialize in ERP consulting and SI and IT managed services and were founded in 1998.

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  • Coderus Logotype

    4.8 18 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Martlesham, England

    Services provided

    10% Custom Software Development
    70% Mobile App Development
    15% IoT Development +1
    5% Application Testing

    Focus Areas

    15% C#
    20% Kotlin
    20% Swift +3
    15% JavaScript
    15% Python
    15% SQL

    Coderus is a bespoke software development company specializing in custom software creation, particularly for mobile and embedded applications, with a demonstrated ability to adapt to complex and evolving industry needs. Across multiple reviews, Coderus consistently receives positive feedback for their flexibility, high-quality deliverables, and effective project management. Notably, 100% of reviewers commend their versatility and ability to meet project deadlines and specifications. They maintain a strong collaborative approach and are responsive to client feedback.

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    Reviews mention Timely

    Overall, client feedback on Coderus indicates a strong sentiment towards their timeliness in project delivery. Clients consistently noted that Coderus met deadlines, with one client stating, "Coderus has delivered on time and within budget" and another highlighting their ability to deliver requirements to agreed timelines. Additionally, a client praised their responsiveness, stating, "They react to our demands quickly and deliver high-quality work on time." This consistent positive feedback demonstrates Coderus’s reliability in meeting project timelines.
    • UI/UX Design for Engineering & Technology Company
      5.0 Mar 9, 2023

      Delivered requirements to agreed timelines. Provided input to our own PM efforts. Their flexibility to our requirements was impressive.

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    • Managed IT Services & Mobile App Dev for Telecom Software Co
      4.5 Sep 6, 2022

      Coderus has delivered on time and within budget. We have excellent two-way communication; we can notify them of issues at any time. Coderus’ ability to provide our required services on time is impressive.

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    • App Dev Staff Augmentation for Digital Commerce Platform
      5.0 Jul 22, 2022

      They're following the timeline and budget we approved during the scoping process. The consultant working with us has been delivering work by our deadlines that functions well. Everything we planned for the project at the beginning of the partnership is being followed through on.

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    • Software Dev & Product QA for Charging System Provider
      4.0 Sep 22, 2021

      Overall, I can say that they meet our standards, timeline- and quality-wise. We always have to change timelines and agreements because of our industry's requirements, and Coderus easily accomplishes their deliverables despite our unpredictable needs.

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    • Mobile App Dev for Consumer Electronics Company
      4.5 Apr 26, 2021

      Everything was on time, and when we needed them to step up and cut a few corners to get something working for the trade show, they managed to do so. We basically communicated with them through email and face-to-face meetings. I’ve never really used anybody else, but they’re very good and professional, and they get the job done.

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    Industry Experience

    Coderus has received positive industry feedback across various sectors, including Consumer Products, Software, Automotive, Telecommunications, Education, and Sports. Clients praise their flexibility, project management, and expertise in mobile app development and IT services. In Consumer Products, they excel in enhancing user experience and interface design. In Software and Telecommunications, their ability to deliver on time and adapt to changing requirements is noted. Overall, sentiment is highly favorable, suggesting Coderus is well-suited for tech-driven projects in these industries.

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    Select Industry to see insights

    Consumer Products Software Consulting Automotive Engineering Telecommunications Arts, entertainment & music Education Sports

    View projects from:

    England (10) United States (1)
    $8,000 Simple integration or business process improvement $24,000 Business Critical improvement process introduction $32,000 Supporting brand new Innovation ideas

    Smart Code Solutions

    Coderus has been helping businesses with Business process improvements
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  • 4i Tech Logotype

    5.0 4 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Taipei, Taiwan

    Services provided

    15% Custom Software Development
    20% Blockchain
    15% Mobile App Development +5
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% CRM Consulting and SI
    10% ERP Consulting and SI
    10% IT Staff Augmentation

    Focus Areas

    10% C#
    15% Java
    15% Other programming & scripting languages +5
    15% PHP
    15% Python
    10% ASP.NET
    10% C
    10% C++

    4i Tech is a custom software development company specializing in bespoke software creation and tailored end-to-end solutions. With a focus on aligning with client values and providing good value for cost, 100% of reviewers praised their project delivery and communication. Their flexibility and dedicated approach were highlighted, with 75% of reviews noting their impressive adaptability and responsiveness to client needs.

    See all 4 projects

    Reviews mention Helpful

    Clients have expressed a highly positive sentiment regarding 4i Tech's helpfulness and dedication. One reviewer, a Product Manager in the financial services sector, highlighted their impressive willingness to assist and noted that the project management was effective, with timely delivery and responsiveness to needs. Additionally, the alignment of company values and budget-friendly pricing were key factors in selecting 4i Tech, further emphasizing their helpful nature throughout the project.
    • Mobile App Dev for Microfinancing Company
      5.0 Aug 14, 2023

      The company's willingness to help and dedication are impressive. This level of commitment ensures that project needs are met efficiently and effectively. Their proactive approach makes them stand out as a reliable partner.

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    2 of 2 Custom Software Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Software Dev for Semiconductor Manufacturing Company

    5.0 —   4i Tech handled custom software development support for a semiconductor manufacturer. The team built a stock management system with various features. The goal was to improve the client's Read more
    Read 2 Reviews

    Industry Experience

    4i Tech has demonstrated expertise in the Media and Financial Services industries. In Media, they successfully enhanced a client's website, leading to improved SEO traffic and partner interest. In Financial Services, they effectively digitalized a loan application process, ensuring smooth operations. Overall, feedback highlights 4i Tech's strong project management, dedication, and alignment with client values, making them a suitable partner for clients in these sectors.

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    Select Industry to see insights

    Media Financial services

    More responsive than most other service providers

    4i Tech is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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  • Plantech Industries - Out of Business Logotype

    Plantech Industries - Out of Business

    5.0 3 reviews
    $50,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    15% Custom Software Development
    20% Mobile App Development
    20% Web Development +8
    15% UX/UI Design
    10% Low/No Code Development
    5% AI Development
    5% Sales Outsourcing
    3% Business Consulting
    3% Marketing Strategy
    2% Application Testing
    2% Other Application Development

    Focus Areas

    10% C#
    30% Python
    25% JavaScript +4
    15% PHP
    10% Typescript
    5% Other programming & scripting languages
    5% Redux

    Plantech Industries is a bespoke software development company lauded for its full-stack software development capabilities, evidenced by a successful project with Wave Connect. Reviews highlight their exceptional project management, innovation, and responsiveness, with 90% of feedback being positive, emphasizing their technical expertise and effective communication. Notably, 80% of reviewers praised their agile approach and commitment to excellence.

    See all 3 projects

    Reviews mention Timely

    The feedback regarding Plantech Industries' timeliness is overwhelmingly positive. Clients noted their 'impeccable' commitment to timelines, consistently delivering on all project aspects, including product development and marketing campaigns. Regular updates and transparent communication were highlighted, ensuring alignment throughout the project. While there were suggestions for a more structured feedback loop, these were minor compared to the overall sentiment of efficiency and adaptability, demonstrating their ability to meet client needs promptly.
    • Platform Dev & Marketing for Digital Business Cards Firm
      5.0 Aug 2, 2023

      Plantech Industries' project management approach was really a cornerstone of our collaboration in building Wave Connect. Their professionalism, efficiency, and adaptability were evident throughout the project. Their commitment to timelines was impeccable. They meticulously planned each phase of the project, setting clear milestones and deadlines. Their ability to deliver items on time was consistent across all aspects, including product development, marketing campaigns, financial planning, and investor outreach. Regular progress updates and transparent communication ensured that we were always aligned and aware of the project's status.

      Read Full Review
    Read All Reviews
    1 of 1 Custom Software Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Platform Dev & Marketing for Digital Business Cards Firm

    5.0 — A digital business cards firm hired Plantech Industries to develop their platform. The team also created comprehensive financial, sales, and marketing strategies and helped the client with investor Read more
    Read 1 Review

    Average Project Cost Breakdown

    Less than $10,000 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Client feedback on Plantech Industries highlights their competitive pricing and strong value for money. One client noted that their pricing fit the budget while delivering exceptional results, such as a successful product launch and significant user growth. Another client praised their capability to deliver on time and on budget, ultimately leading to improved website functionality and client satisfaction. Overall, sentiment reflects a positive perception of cost-effectiveness and the quality of services provided.
    Read All Reviews

    View projects from:

    Canada (1) United States (1)
    View Profile

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We evaluate service providers using a structured methodology that combines:

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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Future Processing
2 Sigma Software Group
3 Trinetix
4 Vega IT
5 10Pearls
6 Software Mind S.A.
7 Abto Software
8 AgileEngine
9 Scalo
10 Leobit
11 Arcanys
12 CSHARK
13 Full Scale
14 Taazaa Inc.
15 Transparity

List of the Top 15 C# Development Companies

  1. Future Processing Logotype

    Future Processing

    $25,000+
    $50 - $99 / hr
    250 - 999
    Gliwice, Poland

    Ability to deliver

    39.5/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Custom Software Development
    40% C#
    55% Other
    View Profile Visit Website
  2. Sigma Software Group Logotype

    Sigma Software Group

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    L'viv, Ukraine

    Ability to deliver

    38/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    25% Custom Software Development
    22% C#
    75% Other
    View Profile Visit Website
  3. Trinetix Logotype

    Trinetix

    $50,000+
    $50 - $99 / hr
    250 - 999
    Nashville, TN

    Ability to deliver

    37/40.0
    17/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Custom Software Development
    70% C#
    60% Other
    View Profile Visit Website
  4. Vega IT Logotype

    Vega IT

    $10,000+
    $50 - $99 / hr
    250 - 999
    Novi Sad, Serbia

    Ability to deliver

    39.2/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    60% Custom Software Development
    20% C#
    40% Other
    View Profile Visit Website
  5. 10Pearls Logotype

    10Pearls

    $50,000+
    $25 - $49 / hr
    1,000 - 9,999
    Vienna, VA

    Ability to deliver

    37.6/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    30% Custom Software Development
    20% C#
    70% Other
    View Profile Visit Website
  6. Software Mind S.A. Logotype

    Software Mind S.A.

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Kraków, Poland

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    15% Custom Software Development
    22% C#
    85% Other
    View Profile Visit Website
  7. Abto Software Logotype

    Abto Software

    $10,000+
    $25 - $49 / hr
    250 - 999
    L'viv, Ukraine

    Ability to deliver

    37.6/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    35% Custom Software Development
    25% C#
    65% Other
    View Profile Visit Website
  8. AgileEngine Logotype

    AgileEngine

    $25,000+
    $25 - $49 / hr
    1,000 - 9,999
    Boca Raton, FL

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    30% Custom Software Development
    10% C#
    70% Other
    View Profile Visit Website
  9. Scalo Logotype

    Scalo

    $10,000+
    $50 - $99 / hr
    250 - 999
    Kraków, Poland

    Ability to deliver

    39/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    30% Custom Software Development
    20% C#
    70% Other
    View Profile Visit Website
  10. Leobit Logotype

    Leobit

    $25,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    39.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    50% Custom Software Development
    20% C#
    50% Other
    View Profile Visit Website
  11. Arcanys Logotype

    Arcanys

    $100,000+
    $25 - $49 / hr
    250 - 999
    Cebu City, Philippines

    Ability to deliver

    38.1/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    40% Custom Software Development
    20% C#
    60% Other
    View Profile Visit Website
  12. CSHARK Logotype

    CSHARK

    $50,000+
    $50 - $99 / hr
    250 - 999
    Wrocław, Poland

    Ability to deliver

    35.4/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    50% Custom Software Development
    100% C#
    50% Other
    View Profile Visit Website
  13. Full Scale Logotype

    Full Scale

    $50,000+
    $25 - $49 / hr
    250 - 999
    Kansas City, KS

    Ability to deliver

    36.5/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    30% Custom Software Development
    30% C#
    70% Other
    View Profile Visit Website
  14. Taazaa Inc. Logotype

    Taazaa Inc.

    $50,000+
    $50 - $99 / hr
    250 - 999
    Hudson, OH

    Ability to deliver

    36.5/40.0
    17/20 Reviews
    9.8/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    30% Custom Software Development
    30% C#
    70% Other
    View Profile Visit Website
  15. Transparity Logotype

    Transparity

    $10,000+
    $100 - $149 / hr
    250 - 999
    London, England

    Ability to deliver

    37.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    20% Custom Software Development
    45% C#
    80% Other
    View Profile Visit Website
  16. ELEKS Logotype

    ELEKS

    $25,000+
    $50 - $99 / hr
    1,000 - 9,999
    Tallinn, Estonia

    Ability to deliver

    36.2/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    50% Custom Software Development
    20% C#
    50% Other
    View Profile Visit Website
  17. EXLRT Logotype

    EXLRT

    $10,000+
    $50 - $99 / hr
    50 - 249
    Naarden, Netherlands

    Ability to deliver

    36.2/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.6/10 Market Presence

    Service focus

    40% Custom Software Development
    50% C#
    60% Other
    View Profile Visit Website
  18. Pell Software Logotype

    Pell Software

    $1,000+
    $100 - $149 / hr
    10 - 49
    Denver, CO

    Ability to deliver

    37/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.1/10 Market Presence

    Service focus

    70% Custom Software Development
    40% C#
    30% Other
    View Profile Visit Website
  19. Maruti Techlabs Logotype

    Maruti Techlabs

    $25,000+
    $25 - $49 / hr
    250 - 999

    Ability to deliver

    35.9/40.0
    16/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    30% Custom Software Development
    30% C#
    70% Other
    View Profile Visit Website
  20. 99x Logotype

    99x

    $25,000+
    $25 - $49 / hr
    250 - 999
    Vitória, Brazil

    Ability to deliver

    39.3/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    50% Custom Software Development
    10% C#
    50% Other
    View Profile Visit Website
  21. Iversoft Logotype

    Iversoft

    $50,000+
    $150 - $199 / hr
    10 - 49
    Ottawa, Canada

    Ability to deliver

    37.4/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    35% Custom Software Development
    100% C#
    65% Other
    View Profile Visit Website
  22. Facile Technolab Logotype

    Facile Technolab

    $1,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    37.3/40.0
    18.4/20 Reviews
    9.6/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    60% Custom Software Development
    30% C#
    40% Other
    View Profile Visit Website
  23. VOLO Logotype

    VOLO

    $50,000+
    $50 - $99 / hr
    250 - 999
    Yerevan, Armenia

    Ability to deliver

    34.6/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    8/10 Market Presence

    Service focus

    40% Custom Software Development
    40% C#
    60% Other
    View Profile Visit Website
  24. Haefele Software Logotype

    Haefele Software

    $10,000+
    $25 - $49 / hr
    50 - 249
    Cape Town, South Africa

    Ability to deliver

    35.8/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    40% Custom Software Development
    55% C#
    60% Other
    View Profile Visit Website
  25. Solwit SA Logotype

    Solwit SA

    $5,000+
    $25 - $49 / hr
    250 - 999
    Gdańsk, Poland

    Ability to deliver

    36/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    40% Custom Software Development
    25% C#
    60% Other
    View Profile Visit Website
  27. Rushkar Technology Private Limited Logotype

    Rushkar Technology Private Limited

    $5,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    39.4/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Custom Software Development
    30% C#
    70% Other
    View Profile Visit Website
  28. Superscript Systems Ltd Logotype

    Superscript Systems Ltd

    $25,000+
    $50 - $99 / hr
    10 - 49
    Langhorne, PA

    Ability to deliver

    36.2/40.0
    18/20 Reviews
    10/10 Clients & Experience
    8.2/10 Market Presence

    Service focus

    40% Custom Software Development
    65% C#
    60% Other
    View Profile Visit Website
  29. UplineSoft Logotype

    UplineSoft

    $5,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    38.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.6/10 Market Presence

    Service focus

    60% Custom Software Development
    10% C#
    40% Other
    View Profile Visit Website
  30. UNECOS SOLUTIONS Logotype

    UNECOS SOLUTIONS

    $5,000+
    $50 - $99 / hr
    10 - 49
    Rīga, Latvia

    Ability to deliver

    33.9/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    7.3/10 Market Presence

    Service focus

    60% Custom Software Development
    60% C#
    40% Other
    View Profile Visit Website

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C# Developer FAQs

C# development companies help businesses and organizations build modern software using C#, a general-purpose high-level programming language known for creative, scalable, and robust solutions. They work closely with the client to design, deploy, and optimize cutting-edge applications. These service providers are primarily focused on .NET environment-based development, ensuring that the software runs seamlessly on different platforms such as desktop, mobile, and/or cloud.

Most C# development providers also leverage several key technologies crucial to the C# environment, including Azure, SQL Server, and Xamarin. Essentially, they aim to create bespoke software that’s efficient, reliable, and cost-effective.

C# development companies offer a vast range of services, from comprehensive software development to deployment and optimization. Here are some services you can expect:

  • Custom C# software design and development
  • Web application development
  • Mobile application development
  • Cloud-based application development
  • Migration and modernization
  • Performance optimization and maintenance
  • QA testing
  • Third-party API integration

When choosing the right service provider, look for one with proven expertise in the type of service you need.

Choosing the right C# development firm can be difficult, considering the number of options available in the market. Having a clear understanding of your project’s unique requirements, budget limitations, and goals, as well as knowing the key factors to consider, is crucial to narrowing your options. Here are some key criteria to consider:

  • Proven C#/.NET expertise
  • Certifications
  • Tech stack compatibility
  • Security and compliance
  • Team structure
  • Communication and collaboration fit

Additionally, you can find out more about the best C# development companies on Clutch by carefully assessing the verified client reviews and case studies we have collected. The filters and resources we’ve prepared can also help you confidently make an informed agency decision.

  • What is your experience with C#, .NET, and other key technologies required for our project?
  • Have you worked on a past project that is similar to ours?
  • How do you handle code QA testing and CI/CD?
  • Can you tell us how your team handles sensitive data, authentication, and authorization?
  • How do you handle post-launch support and maintenance?
  • What is your communication and reporting process?

Asking crucial questions can help you assess their work and ensure they align with your needs. Don’t hesitate to ask follow-up questions or clarifications on any point when you discuss your project with them.

The cost of hiring a professional C# development company typically range from $25 to $49 per hour; however, a myriad of factors influence the price, including the type and complexity of the software, the size of the team, and the scope of the project.

Additionally, the service providers’ location plays a huge part in determining costs. For instance, developers based in the United States and Western Europe may charge between $100 – $149 per hour, while those based in the Philippines, Ukraine, and Mexico charge $25 – $49 per hour. Find out more about C# and software development pricing here: Software Development Company Pricing Guide

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