Collaborate with top .NET development companies in the United States to modernize, streamline, and scale your systems through custom .NET development.
We Compiled the Best USA .Net Development Companies for You
11 Companies-Rankings updated: September 03, 2026
DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.
AllianceTek is a global software development and IT consulting company delivering AI, cloud, web, and mobile solutions with 20+ years of expertise...
Top Services:
Software Development
Mobile App Development
Web Development
AI Development
IoT
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Location
Malvern, Pennsylvania
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
59 Projects Listed
AllianceTek Inc. Services
Software Development
Mobile App Development
Web Development
AI Development
IoT
CRM Consulting
eCommerce Development
IT Services
Staff Augmentation
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Genpact
Zydus USA
NFL
Johnson-Johnson
Innosight
Vacation Innovations
CTDI
Money360
Yeshiva University
QNB
Data sourced from the agency's DesignRush profile
AllianceTek Inc. Reviews & Testimonials
Kristine Wilson
Owner at KOMYOON Inc.
5.0★
Cross-Platform Review from Kristine Wilson
I've been working with AllianceTek for over five years, and they have been an invaluable technology partner. They seamlessly took over a complex project from previous vendors and have since played a crucial role in managing both our app and website.
Their team is highly knowledgeable, resourceful, and adaptable, with expertise across various platforms. No matter the challenge, they approach each project with patience, professionalism, and a problem-solving mindset. Their ability to listen, provide clear solutions, and ensure smooth execution has made them a trusted extension of our team.
Beyond their technical capabilities, what truly sets AllianceTek apart is their commitment to client success. They are responsive, proactive, and consistently go above and beyond to deliver results. I highly recommend them to anyone seeking a reliable, skilled, and collaborative development partner.
Kevin Labianco
Founder at Plantrip
5.0★
Mobile App Development Review from Kevin Labianco
We recently worked with AllianceTek regarding an app update, and they were professional, timely, and responsive as usual. Would recommend again!
Ravin Vasani
Review from Google
5.0★
Ravin Vasani's Review Sourced from Google
It's been great working in AllianceTek. User friendly working environment, I have learned so many things in this company. Management is very supportive.
Reviews verified by DesignRush and sourced from the agency's profile
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Proud 2024 Webby Award winner in the Responsible AI category and winner of the European Technology Awards for App Development in 2021...
Top Services:
Mobile App Development
Web Development
Software Development
Web Design
IoT
Show more
Location
Kirkland, Washington
Number of Employees
50 - 99
Average Hourly Rate
$70/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
68 Projects Listed
Wolfpack Digital Services
Mobile App Development
Web Development
Software Development
Web Design
IoT
UI/UX Design
AI Development
Product Design
IT Services
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
No7 Pro Derm Scan
Everon
Juggle
Brain Capture
Deezer
Equality AI
Citizen Mint
Primary.Health
Banqup
Slow Delta
Data sourced from the agency's DesignRush profile
Wolfpack Digital Reviews & Testimonials
Julie Dodkins
CEO at Fae
5.0★
Mobile App Development Review from Julie Dodkins
Wolfpack Digital has skilled expertise [in] creating high-quality work. The team made the process straightforward. Their communication was top-notch. They're readily available and go above and beyond. (Verified via email)
Jana Kazmina
Product Manager at Makerist
5.0★
Mobile App Development Review from Jana Kazmina
Bounce rate fell and the app received positive reviews from users. Wolfpack Digital was highly accessible via multiple modes of communication and managed the project professionally. They ensured comprehension by asking clarifying questions and demonstrated their flexibility and passion.
Valentin Trif
Co-founder at Sweed
5.0★
Mobile App Development Review from Valentin Trif
The app was launched on schedule and received positive reviews. Wolfpack Digital was highly accessible and effectively managed a changing scope, while still providing multiple options for every decision. Their deep engagement, as well as their flexibility, makes them an ideal partner for startups.
Reviews verified by DesignRush and sourced from the agency's profile
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Alltegrio specializes in Custom AI Solutions Development . Generative AI, Machine Learning, Computer Vision, AI Assistants Development, Natural Language Processing, OCR Data, Data Annotation all tailored to your unique business needs...
Top Services:
AI Development
Software Development
IT Services
Business Consulting
Big Data Analytics
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Location
Delaware City, Delaware
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
20 Projects Listed
Alltegrio Services
AI Development
Software Development
IT Services
Business Consulting
Big Data Analytics
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Real Estate
Retail
Healthcare
Fintech
Banking
Sport
Insurance
Data sourced from the agency's DesignRush profile
Alltegrio Reviews & Testimonials
Oksana Vobiachenko
CEO at Neohiring
5.0★
Big Data Consulting Review from Oksana Vobiachenko
They worked on providing us with a comprehensive data architecture designed for scalability and security. A BI dashboard was created that allowed us to visualize key metrics from all our clients in one place, making it easier for us to get a comprehensive overview of our operations.
They also set up real-time reporting capabilities that helped us respond to client needs faster and more efficiently. On top of that, Alltegrio recommended optimizations to our existing data pipelines, ensuring better data quality and improving decision-making. They also provided hands-on training for our internal team, ensuring we could manage and leverage the system without constant external support.
Yannick Berg
CTO at Arbillion
5.0★
Big Data Consulting Review from Yannick Berg
Data Science and Analytics: Implemented models to enhance data-driven insights.
Data Annotation: Optimized annotation processes for training models.
Data Monetization: Developed strategies for extracting value from data assets.
Romit Karmakar
Director at Capricon Technology
5.0★
Machine Learning Review from Romit Karmakar
To develop an AI-powered trading bot capable of analyzing market data, identifying trading opportunities, and executing trades autonomously to maximize returns and minimize risks.
Reviews verified by DesignRush and sourced from the agency's profile
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Leobit is a full-cycle .NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK.
Tech focus: .NET, Angular, iOS, Android, Ruby, React, PHP, and a range of technologies from Microsoft, Web, and Mobile Stacks...
Top Services:
Software Development
Web Development
Mobile App Development
UI/UX Design
IT Services
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Location
Austin, Texas
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
26 Projects Listed
Leobit Services
Software Development
Web Development
Mobile App Development
UI/UX Design
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Your business faces unique challenges. Let's work together to create a custom mobile app or web solution to meet those challenges head-on...
Top Services:
Mobile App Development
Software Development
Staff Augmentation
IoT
AI Development
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Location
Nashua, New Hampshire
Number of Employees
250 - 499
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
Zco Corporation Services
Mobile App Development
Software Development
Staff Augmentation
IoT
AI Development
UI/UX Design
Web Development
Software Testing
VR/AR
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Volkswagen
Harvard University
BBC America
Verizon
Liberty Mutual
Microsoft
Samsung
Eversource
APR Energy
Dartmouth College
Data sourced from the agency's DesignRush profile
Zco Corporation Reviews & Testimonials
Mark Gratiot
Director of R&D at Streamline Automation
5.0★
Cross-Platform Review from Mark Gratiot
In addition to building out a native remote inspection app for iPads, Zco concurrently ported the software to a Xamarin platform for Windows users. Zco has released nine major iterations of the iPad app, each available in the App Store, as well as the initial version of the cross-platform Xamarin build. Their nimble team boasts a wide breadth of skills to match any given situation. Having clear documentation upfront has reduced onboarding time.
Katie Matter
Project Manager at Southwestern Advantage
5.0★
Mobile App Development Review from Katie Matter
Zco Corporation provided full-stack mobile app development to an educational resource retail organization. They worked in Unity to build a cross-platform resource for users to advance through various curricula. The app has successfully been moved into preproduction and the second phase of development, completely satisfying project stakeholders with the quality of both its designs and functionality. The Zco Corporation team is highly creative and collaborative throughout their work.
J. Michael Webb
CEO at CheckMySpot
5.0★
Startup Review from J. Michael Webb
J. Michael Webb from CheckMySpot chose Zco Corporation for app development due to its expertise. Zco adeptly developed a hybrid mobile teledermatology platform and an admin website, demonstrating excellent communication, responsiveness, and innovation. Despite the project's evolving and innovative nature, Zco seamlessly integrated Webb's intent and met all challenges, leaving him with no suggestions for improvement. (Verified via email/call)
Reviews verified by DesignRush and sourced from the agency's profile
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Molding the Future with Big Data and Video Innovation
Trusted by globally recognized leaders such as Kaltura, Panasonic, Consumer Fusion, Dalet, and Cascade PBS...
Top Services:
Software Development
AI Development
IT Services
DevOps Consulting
Mobile App Development
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Location
New York City, New York
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
Oxagile Services
Software Development
AI Development
IT Services
DevOps Consulting
Mobile App Development
Video Marketing
Advertising
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Orange
Discovery
Vodafone
Kaltura
Data sourced from the agency's DesignRush profile
Oxagile Reviews & Testimonials
Sergei Smirnov
Senior Manager, Online Publishing at East View Information Services
5.0★
Web Development Review from Sergei Smirnov
We worked with Oxagile on revamping one of our content platforms hosting bibliographic data from Russia. It was in 2016 and the project was quite complex with a strict and short timeline. We were very happy with the results and impressed by their expertise and project management practices.
Reviews verified by DesignRush and sourced from the agency's profile
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Mobisoft is an award winning technology-driven company that specializes in providing digital solutions and services to businesses worldwide. With a focus on digital innovation, Mobisoft aim to empower organizations through the strategic use of technology...
Top Services:
Software Development
Mobile App Development
eCommerce Development
IT Services
Web Development
Show more
Location
Houston, Texas
Number of Employees
250 - 499
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
4 Projects Listed
Mobisoft Infotech Services
Software Development
Mobile App Development
eCommerce Development
IT Services
Web Development
Web Design
UI/UX Design
Cloud Consulting
DevOps Consulting
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
SAMSUNG
Deloitte
TATA
NTTDATA
QNAP
Volkswagen
Kohler
Abbvie
Jio-BP
University of Illinois
Data sourced from the agency's DesignRush profile
Mobisoft Infotech Reviews & Testimonials
CA Radhesham Biyani
Director at Empower Financial Consultants Pvt Ltd
5.0★
Software Development Review from CA Radhesham Biyani
My experience collaborating with Mobisoft Infotech to build a complete Document Management SaaS Platform has been truly remarkable. Their expertise, dedication, and innovative approach have played a pivotal role in bringing our vision to life. I highly recommend their services to any business seeking a reliable technology partner
Dhanaji Dinde
Review from Google
5.0★
Dhanaji Dinde's Review Sourced from Google
Talent hits a target no one else can hit. Genius hits a target no one else can see. if you want to see this is in reality then please visit here ..
Sandip Patil
Review from Google
5.0★
Sandip Patil's Review Sourced from Google
Houston based Mobisoft Infotech’s knowledge of healthcare technology is impressive. They developed a highly scalable RPM integration for medical practice.
Reviews verified by DesignRush and sourced from the agency's profile
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JetBase helps startups and enterprises transform bold ideas into scalable digital products. From MVPs to SaaS platforms, we build software that drives growth, strengthens retention, and delivers measurable business impact with clarity, speed, and long-term value...
Top Services:
Software Development
eCommerce Development
Mobile App Development
Web Development
DevOps Consulting
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Location
Sheridan, Wyoming
Number of Employees
Under 49
Average Hourly Rate
$45/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
9 Projects Listed
JetBase Services
Software Development
eCommerce Development
Mobile App Development
Web Development
DevOps Consulting
UI/UX Design
Web Design
AI Development
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Anmel is proven to boost productivity by up to 60% and efficiency by 45% for startups and enterprises alike. Trusted by businesses globally, Anmel delivers tangible results, driving success and growth in today's competitive market landscape...
Top Services:
AI Development
Software Development
IT Services
Mobile App Development
Wearables
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$70/hr
Minimal Budget
$25,000 - $50,000
Anmel Services
AI Development
Software Development
IT Services
Mobile App Development
Wearables
Blockchain
eCommerce Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
JPMC
PL
D&G
Data sourced from the agency's DesignRush profile
Anmel Reviews & Testimonials
Brenda Benitez
Talent Attraction Analyst at Coppel
5.0★
Software Development Review from Brenda Benitez
Their expertise in custom software and mobile development allowed us to streamline our processes and boost productivity by 60%. The 1-Year Free Maintenance & Bug Fixing guarantee was a huge selling point, ensuring we had ongoing support and stability. With their award-winning, ISO-certified approach and a team of over 100 in-house experts, Anmel has truly elevated our business operations. Highly recommend them to any startup or enterprise looking for top-notch digital transformation services
Reviews verified by DesignRush and sourced from the agency's profile
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Your gateway to bespoke technology solutions that propel your business into the future.
At Colchuck Consulting, our mission is to drive growth and innovation through tailored technology solutions. Founded by industry experts, our agency offers a unique blend of skills and knowledge, providing a boutique experience with cutting-edge technology and strategic support to maximize your ideas and...
Top Services:
Software Development
Mobile App Development
Cloud Consulting
Web Development
UI/UX Design
Show more
Location
Burien, Washington
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
3 Projects Listed
Colchuck Consulting Services
Software Development
Mobile App Development
Cloud Consulting
Web Development
UI/UX Design
Software Testing
IT Services
Cybersecurity
DevOps Consulting
IT Compliance Solution
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Boost Baseball
Roster Champs
Hope Gives
Pastor Stays
MAS Agency
Data sourced from the agency's DesignRush profile
Colchuck Consulting Reviews & Testimonials
Jimmy Portner
Review from Google
5.0★
Jimmy Portner's Review Sourced from Google
We had a fantastic experience working with this web design team! Not only are they incredibly skilled at what they do, but they were also a pleasure to collaborate with every step of the way. They brought in a talented graphic designer who helped us create a cohesive brand identity that was beautifully woven throughout the site. The entire team was thoughtful, responsive, and genuinely committed to bringing our vision to life. Highly recommend!
Chris Wegeleben
Review from Google
5.0★
Chris Wegeleben's Review Sourced from Google
Colchuck Consulting has been a game-changer for my business! They are currently building a custom app for us, and the process has been seamless. Their team is highly skilled, communicative, and genuinely invested in understanding our needs. They’ve provided innovative solutions and delivered exceptional work at every step.
I’m excited to see the final product and confident it will exceed expectations. If you’re looking for a reliable and professional team to bring your ideas to life, I highly recommend Colchuck Consulting!
AmberRae Brantley
Review from Google
5.0★
AmberRae Brantley's Review Sourced from Google
I had the pleasure of working with Colchuck Consulting on my organization's website and their expertise and customer service exceeded all expectations. They assisted me from initial conception all the way through our website launch, with an eye for detail. They helped me take my ideas and transformed them into a well-designed, user-friendly website that not only looks fantastic but also functions seamlessly. Additionally, their ongoing support and willingness to make adjustments along the way have been invaluable. As an entrepreneur starting a new project, working with them has been so helpful. I wholeheartedly recommend Colchuck Consulting to anyone in need of top-notch web-design, or custom technology solutions.
Reviews verified by DesignRush and sourced from the agency's profile
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Enspirit is an AI-native product design and engineering studio helping enterprises and funded startups build digital products that scale. We combine product design, full-stack engineering, AI development, and advisory services in a single team, enabling faster execution from strategy to launch...
Top Services:
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
AI Development
Show more
Location
Austin, Texas
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
Enspirit Services
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
AI Development
Mobile App Development
Software Development
Product Design
Digital Strategy
Web Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Deem
Innovative IDM
Nike
Gritwell
Safe Decisions
Data sourced from the agency's DesignRush profile
Enspirit Reviews & Testimonials
Ali Rock
Review from Google
1.0★
Ali Rock's Review Sourced from Google
Faced an unprofessional experience with Enspirit. HR initially responded quickly and asked for my details, but later kept delaying, saying the technical team was unavailable.
After 15 days of waiting, I was told they are now only considering more experienced candidates. Wasted my time with unclear communication.
Narsi Reddy
Review from Google
5.0★
Narsi Reddy's Review Sourced from Google
Working at Enspirit has been a journey of continuous learning and innovation. The leadership fosters creativity, values every idea, and supports a flexible work culture that empowers us with purpose and growth.
Reviews verified by DesignRush and sourced from the agency's profile
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What services does a .NET development company in the United States provide?
A .NET development company in the United States provides full-cycle custom software, website, mobile app, and cloud development using the .NET framework and ecosystem. Specifically, they offer the following:
Software audit: Analyzing the software performance, identifying issues, and creating strategies for improvements
.NET modernization: Updating the solution’s codebase, infrastructure, UI/UX design, and other functionalities to the latest standards and technologies
.NET migration: Securely transferring documents and data to a .NET software while minimizing disruption to core business processes
Cross-platform development: Crafting applications that can seamlessly function on iOS, Android, Windows, and Linux devices using a single base code
Custom APIs: Unifying systems by integrating .NET software with other apps and solutions
Enterprise solution development: Producing custom customer relationship management (CRM), finance, and inventory systems based on .NET and Windows apps
.NET consulting: Providing expert advice on optimizing the use of the .NET ecosystem and enhancing current technologies
Maintenance and support: Continuously monitoring performance, resolving issues, and updating .NET applications to ensure they remain fully functional
How much does it cost to develop a .NET solution in the United States?
On average, a .NET solution in the United States costs between $20,000 and $100,000. The final price will depend on the software type, core features and functions, project timeline, compliance requirements, and team expertise.
Here’s an estimation of .NET project costs:
Websites: $10,000-$200,000
Desktop software: $20,000-$150,000
Mobile apps: $20,000-$150,000
Enterprise solutions: $50,000-$1,000,000
Game development: $10,000-$1,000,000
eCommerce apps: $10,000-$200,000
How long does a .NET development company in the United States take to complete a project?
Typically, a .NET development company in the United States takes about 2 to 6 months to complete a project. However, the timeline will ultimately depend on project scope and complexity, development methodology (agile, waterfall, and scrum), and team size.
Below is a timeline breakdown:
Research, discovery, and design: 2-4 weeks
Development: 4-12 weeks
Testing: 2-6 weeks
Launch: 1-2 weeks
How do I choose the right USA .NET development company?
To choose the right USA .NET development company for your business, consider the following steps:
Outline project goals, timeline, budget, target users, and technical requirements
Examine the agency’s service range and technical proficiency, especially in related technologies like ASP.NET, MVC, and Web API
Identify if the agency has case studies and portfolios on projects similar to yours
Read the agency’s positive and negative client reviews to assess its customer service strengths and weaknesses
Schedule an introductory meeting and inquire about security measurements, IP rights, and development approach
Select a US .NET development company that aligns with your budget, project requirements, and company culture
Struggling to find a US .NET company? Visit our Marketplace and send your project requirements. We will match you with companies that best meet your criteria — at no cost!
How do USA .NET development companies ensure quality results?
USA .NET development companies ensure quality results by implementing a comprehensive quality assurance (QA) strategy customized to your specific business objectives. The strategy typically includes a series of tests to verify the software’s end-to-end functionality, usability, security, interoperability, and durability. It also helps ensure that the final product aligns with your business requirements and meets industry standards.
Here are some of the QA tests that US .NET development companies employ:
Unit testing: Examines the software’s individual components, including module behavior, code-level functions, and error handling
User acceptance testing: Simulates real-world usage, such as user interaction and how well the app integrates with business processes and workflows
Integration testing: Assesses how the different system components interact with each other, including how data flows and how third-party systems work together
Regression testing: Analyzes the stability and functionality of the app after a bug has been fixed