Top 28 Best .NET Development Companies in 2026

Microsoft’s .NET platform is having one of its strongest years. With the latest long-term-support release of modern .NET powering cloud-native backends, Blazor web apps, Windows desktop software, and AI features through Azure OpenAI and ML.NET, demand for experienced .NET development companies keeps rising. The hard part is not finding a vendor – it is finding one that is still active, still strong in .NET, and right for your budget and industry.

We re-verified this list for 2026. Every company below was checked live in October 2026: the company is operating, its site is healthy, and .NET is still part of its service offering. Companies that rebranded or were acquired are listed under their current names – MentorMate is now Tieto, Pentalog is now Globant, Artelogic is now unicrew, and ITMAGINATION now operates as part of Virtusa. Only one former entry was removed outright: Spire Digital, whose brand was absorbed into Kin + Carta (now part of Valtech) and no longer operates. If you are comparing across stacks, also see our lists of top ReactJS development companies, Node.js development companies in the USA, and top Python development companies.

How we evaluated these .NET development companies

We reviewed each company’s current service pages, portfolio focus, team scale, industry depth, and delivery model, and we confirmed every website is live and every firm still lists .NET or Microsoft-stack work in 2026. We did not run test projects or hands-on trials for this list – our assessment is based on each company’s published information, market presence, and track record. Use it to build your shortlist, then run your own technical interviews before signing.

Quick comparison: the 28 best .NET development companies

Detailed list of the top .NET development companies

1. Algoworks

Algoworks is an AI and digital engineering company that covers the full enterprise technology spectrum, from new AI implementations to legacy platform migrations. Its .NET practice sits inside a broader engineering offering that includes Salesforce, DevOps, and mobile, so it fits businesses that want one partner across a mixed Microsoft and cloud stack. Algoworks promotes a structured 90-day AI pilot playbook, which suits enterprises testing AI features inside existing .NET applications. Delivery spans the US and India, giving it the scale for staff augmentation as well as full project outsourcing.

Official site: www.algoworks.com

2. Inoxoft

Inoxoft is a custom software development company serving startups and enterprises from offices in Europe and the USA. Its service list covers web and mobile development, MVP builds, discovery phases, AI and ML, dedicated teams, and staff augmentation, with .NET among its core backend technologies. Client feedback highlighted on its site, including a CTO testimonial praising it for delivering what it promises, points to a delivery culture built around predictability. Inoxoft also offers a software technical audit, useful if you want an outside review of an existing .NET codebase before committing to a rebuild.

Official site: inoxoft.com

3. Altoros

Altoros fields 350+ engineers across offices in Norway and Finland and development centers in the USA, Argentina, Poland, and Turkey. Its services span product development, enterprise software, legacy modernization, custom SaaS builds, and CTO-as-a-Service, with .NET a long-standing part of its enterprise stack. The company is strong in finance and healthcare, where compliance-heavy .NET systems are common. Altoros also runs a 2-pizza team outstaffing model, which works well for companies that want a small, autonomous .NET squad rather than a large outsourced department.

Official site: www.altoroslabs.com

4. Oxagile

Oxagile brings more than 20 years of custom software experience with 300+ professionals, and it is one of the few .NET vendors with deep video-domain expertise: OTT platforms, Smart TV apps, multi-screen streaming, and sports live streaming. That makes it a strong pick when a .NET backend has to power media or AdTech workloads at scale. The company has also pushed into AI-native engineering, including AI agents and AI consulting, so it can extend a .NET product with modern AI features instead of treating them as a separate project.

Official site: www.oxagile.com

5. Clarion Technologies

Clarion Technologies has been in the software services business for 25+ years and is explicit about .NET staffing: Hire .NET Developer is a first-class offering alongside Azure, full-stack, and mobile developers. Its model centers on dedicated offshore developers who work as an extension of your in-house team, backed by its vE (virtual employee) delivery framework. With an AI-first positioning and Power BI, Tableau, and Azure talent on the same bench, Clarion suits companies modernizing .NET line-of-business apps while adding analytics and AI on top.

Official site: www.clariontech.com

6. Brainhub

Brainhub is a Polish software engineering company that claims to hire from the top 1.36% of talent, with .NET named as one of its four core technologies alongside React, Node.js, and AWS. It holds a 4.9/5 rating on Clutch across 42 reviews. The service mix – software delivery, desktop app development, team augmentation, and legacy app modernization – maps neatly onto typical .NET needs, especially Windows-desktop and enterprise web work. Its industry depth in banking, accounting, tax, and fintech makes it a natural fit for regulated .NET systems.

Official site: brainhub.eu

7. ELEKS

ELEKS has delivered software since 1991 and remains one of the best-known enterprise engineering partners in Eastern Europe. It provides full-cycle development, from PoC work and product design through application development, cloud migration, ERP and CRM consulting, and cybersecurity. For .NET buyers, the draw is enterprise scale: ELEKS is set up to run large, long-running programs with governance, not just single apps. Its legacy software modernization practice is a strong match for organizations carrying older .NET Framework systems into cloud-native .NET.

Official site: eleks.com

8. Future Processing

Future Processing is a Polish technology consulting and software delivery partner founded in 2000, with more than 25 years of client work behind it. .NET has been a core part of its delivery stack throughout that history, and it pairs engineering with consulting services such as AI readiness assessments. The company emphasizes transparency and long-term partnerships, which shows in its engagement model: many clients stay for years across multiple .NET products. It is a solid choice for mid-market and enterprise buyers who want a delivery partner rather than a body shop.

Official site: www.future-processing.com

9. Iflexion

Iflexion has built custom software since 1999 and now fields 1,000+ professionals. .NET is one of its named dedicated-team technologies, and its full-cycle service list covers web application development, system integration, QA, and long-term maintenance – the full lifespan of an enterprise .NET system. Industry coverage is broad: logistics, finance, insurance, manufacturing, retail, energy, and healthcare. Iflexion fits companies that want a single vendor to build, integrate, and then support a .NET platform for years, including e-commerce builds on Adobe Commerce alongside custom .NET work.

Official site: www.iflexion.com

10. Ranosys

Ranosys is a US-headquartered digital consulting and managed IT services provider with strong partnerships across Salesforce, Adobe, and ServiceNow. Its positioning around AI-driven growth and digital commerce makes it a good match when a .NET application is part of a wider commerce or CRM estate. As a multi-award-winning consultancy with global delivery centers, it handles both greenfield .NET development and integration work that connects .NET systems to enterprise SaaS platforms. That combination is rarer than it sounds, and valuable for commerce-heavy businesses.

Official site: www.ranosys.com

11. DevCom

DevCom was established in 2000 and operates as a full-service custom software development company with 200+ engineers. Its offering goes beyond plain development into code audits, secure code review, software architecture audits, and technology assessments – useful when you inherit a .NET codebase of unknown quality. On the build side it covers custom software, web and mobile development, custom Salesforce development, and a fast-growing AI practice that includes LLM, copilot, and agentic AI development. DevCom suits buyers who want engineering rigor and verification built into the engagement.

Official site: devcom.com

12. Emergent Software

Emergent Software is a Microsoft Solutions Partner delivering AI, data, custom software, cloud, and security services to mid-market organizations in the US. Its menu is unusually Microsoft-complete: Azure migration and landing zones, Microsoft 365, Microsoft Data Platform and Fabric, and custom .NET application development, modernization, and SaaS product development. If your roadmap is Azure-centric – a .NET app, a Fabric data platform, and AI features on top – Emergent can own the whole stack under one roof, with managed services to run it afterwards.

Official site: www.emergentsoftware.net

13. N-iX

N-iX is a global software development company with 2,400+ engineers and a client list that spans enterprise and mid-market buyers. Its services cover custom solution development, team extension, application modernization, cloud, data and analytics, and even game development. .NET features across its enterprise and cloud practices, and the company has leaned into AI-augmented development services, pairing its engineers with AI tooling for faster delivery. N-iX is a strong option when you need to scale a .NET team quickly without dropping engineering discipline.

Official site: www.n-ix.com

14. Cleveroad

Cleveroad has built custom software since 2011 from offices in Estonia, the USA, and Norway. It is best known for mobile and web application development, with .NET in its backend stack, and has added a broad AI services menu from consulting to agentic AI builds. The company works heavily with startups and SMBs, offering rapid PoC development and clean prototyping for teams validating a product before a full build. If your .NET backend needs to serve polished iOS and Android apps from one vendor, Cleveroad covers both ends.

Official site: www.cleveroad.com

15. TatvaSoft

TatvaSoft serves customers across 36 countries in more than 10 industries, and its technology menu puts .NET first among backend options, with .NET MAUI and SharePoint also listed. Its services span custom software, web development, dedicated teams, e-commerce, and software product development, now delivered with what it calls AI-accelerated software engineering. TatvaSoft is one of the larger India-based .NET houses, which translates into competitive rates and the ability to scale teams up or down. It is a practical choice for cost-sensitive projects that still need enterprise process maturity.

Official site: www.tatvasoft.com

16. CSHARK

CSHARK has specialized in application and cloud landscapes since 2014, working with enterprises, unicorns, and startups. Its application services cover development through QA, with .NET a named part of its engineering stack, and it pairs that with cloud infrastructure and data integration practices. CSHARK is particularly focused on financial and regulatory technology – data management, workflows, audits, and reporting – plus industrial and manufacturing software. That makes it a good candidate when a .NET system lives in a compliance-heavy environment.

Official site: cshark.com

17. Gorilla Logic

Gorilla Logic builds digital platforms and products accelerated by AI, with engineering hubs across Latin America for nearshore alignment with US teams. Its services include AI-enabled product engineering, platform engineering, DevOps and SRE, intelligent quality engineering, and nearshore staff augmentation, with .NET among its enterprise technologies. Gorilla Logic is also a select partner in Anthropic’s Claude Partner Network, so it can credibly extend .NET platforms with LLM features. It serves financial services, insurance, media, and private equity clients.

Official site: gorillalogic.com

18. Intetics

Intetics focuses on building and operating distributed development teams, a model it calls Remote In-Sourcing, alongside custom software development and AI/ML solutions. Its competence list is wide – big data, cloud and DevOps, IoT, geospatial services, low code, and QA automation – with .NET represented in its enterprise engineering work. A standout extra is TETRA, its framework for assessing the technical health of a software product, which is handy if you are evaluating an existing .NET asset. Intetics fits companies that want a managed, long-running .NET team rather than a one-off build.

Official site: intetics.com

19. Saritasa

Saritasa is a US-based custom software development company listing .NET Development among its core technologies alongside Python, PHP, and mobile stacks. Its range is broad: web and mobile applications, CRM systems, VR and AR experiences, IoT solutions, and legacy software modernization, plus project takeovers for stalled builds. It also offers dedicated teams and cloud infrastructure management, so it can run a .NET system after shipping it. Saritasa is a good match for businesses that want a US-headquartered partner with a full-lifecycle offering.

Official site: www.saritasa.com

20. Wakefly

Wakefly is a Boston-based web design and development firm with more than two decades of experience building custom websites, with .NET at the center of its engineering – it is a long-time specialist in .NET-based content management platforms such as Kentico and Optimizely. Alongside design and development, it provides hosting, ongoing support, SEO, and paid media, making it a one-stop option for marketing-driven .NET websites. If your .NET need is a high-performing corporate or content website rather than a custom SaaS product, Wakefly is one of the most experienced picks on this list.

Official site: www.wakefly.com

21. Zco Corporation

Zco Corporation is a veteran US custom software and mobile app development company delivering enterprise-grade software, mobile apps, and web solutions built for scale. Its service list covers enterprise software, staff augmentation, AI development, mobile games, and augmented and virtual reality, with .NET part of its enterprise stack. Zco works with businesses of all sizes from its New Hampshire headquarters and is one of the longest-operating app development vendors in the US. It suits buyers who want an established domestic partner for a .NET system that also ships companion mobile apps.

Official site: www.zco.com

22. Virtusa (including ITMAGINATION)

Virtusa is a global product and platform engineering services company that strengthened its European Microsoft-stack practice by acquiring ITMAGINATION, the Warsaw-based technology partner known for banking, financial-services, and insurance software. ITMAGINATION had been a Microsoft Gold Partner for more than a decade, with over 2,000 delivered projects and work for more than 10 tier-1 banks; its 400-plus consultant team now delivers within Virtusa’s worldwide network. Virtusa continues to hire .NET and Azure engineers across its global centers, making the combined organization a strong fit for financial-services enterprises that need .NET and Azure engineering at scale with deep domain and compliance experience.

Official site: www.virtusa.com

23. 10Pearls

10Pearls is an AI-native global digital engineering partner covering product development, digital transformation, and agile delivery teams. The company maintains a dedicated .NET hiring practice, offering experienced .NET developers for staff augmentation alongside full project delivery, and structures engagements around its ValuePath framework for AI adoption. With US headquarters and delivery centers across Latin America and South Asia, 10Pearls suits enterprises that want an AI-forward partner able to run .NET backends inside broader product builds.

Official site: 10pearls.com

24. Fingent

Fingent is an ISO 27001-certified custom software development company with offices in the US and delivery centers in India. Its Microsoft technology practice spans .NET development, with a dedicated hire-a-.NET-developer service and full-cycle application development for enterprises. Fingent has embedded AI across its software development lifecycle, from cost estimation to testing and deployment, which it credits with faster delivery and more predictable outcomes. It fits mid-market and enterprise buyers who want a certified, process-heavy Microsoft-stack partner.

Official site: www.fingent.com

25. unicrew

unicrew, formerly known as Artelogic, is an AI-native nearshore software development company with Ukrainian engineering roots. Under its previous brand it was recognized as a top .NET developer, and .NET remains part of its delivery stack for custom products and team extension. The company reports 14 years in operation and more than 120 delivered projects, with senior engineers and AI tooling embedded in delivery. unicrew is a practical option for buyers who want nearshore .NET capacity measured on outcomes rather than billed hours.

Official site: unicrew.com

26. Globant

Globant, which absorbed Pentalog in 2023, is one of the largest digital engineering companies in the world. Its Belatrix unit runs a dedicated .NET development practice covering enterprise application development, and the group’s AI Pods model pairs AI agents with supervised domain experts for production-grade delivery. Globant’s scale and Microsoft-stack capability suit enterprises running large, multi-team .NET programs that need global delivery coverage and mature engineering governance.

Official site: www.globant.com

27. Tieto

Tieto is the current home of MentorMate, which completed its rebrand to the Tieto name in 2026 after joining the Tietoevry group. The combined organization offers large-scale software engineering with an active .NET consulting practice – Tieto Tech Consulting recruits senior .NET and Azure engineers across Europe – alongside deep industry programs in banking, public sector, and healthcare. For enterprises that liked MentorMate’s delivery model, Tieto continues it with the bench strength of a major Nordic technology company.

Official site: www.tieto.com

28. Dignitas Digital

Dignitas Digital is a Philadelphia-based digital agency combining custom software development with data-driven marketing services. Its engineering team works in ASP.NET MVC among other stacks, and the company reports more than 200 clients served across startups and enterprises, with case studies covering custom software builds. Dignitas Digital suits US small and mid-sized businesses that want a domestic team able to handle a .NET application together with the surrounding web and search presence.

Official site: dignitas.digital

How much does .NET development cost in 2026?

Pricing depends more on geography and engagement model than on the .NET stack itself. How the regions typically compare in 2026:

• US and Western Europe: the highest-rate markets for senior .NET engineers, home to established firms like Emergent Software, Saritasa, or Zco.
• Central and Eastern Europe: noticeably lower rates than the US at companies such as Brainhub, Future Processing, or ELEKS, with nearshore time-zone overlap for European clients.
• India and South Asia: cost-efficient capacity at scale players like TatvaSoft or Clarion Technologies, often with dedicated-team contracts.
• Latin America (nearshore US): providers like Gorilla Logic offer US-aligned working hours for American clients.

Costs scale with scope: a focused web application is a much smaller commitment than an enterprise platform with integrations, data, and AI features. Always ask for a discovery phase or paid technical audit before a full build – companies like DevCom and Inoxoft offer exactly that, and it is the cheapest way to de-risk a major commitment. For hosting the finished system, our guide on dedicated resources vs shared hosting breaks down the infrastructure choices.

How to choose the right .NET development company

• Match the model to your team. If you have in-house leads, dedicated developers (Clarion, N-iX, Intetics) extend your capacity. If you do not, pick a full-cycle partner (ELEKS, Iflexion, Future Processing) that owns delivery end to end.
• Check the Microsoft stack beyond C#. Strong .NET partners in 2026 should speak fluently about Azure, Blazor, .NET MAUI, Entity Framework, and AI integration, not just ASP.NET MVC. Emergent Software, as a Microsoft Solutions Partner, is a good benchmark.
• Ask about legacy experience. Many .NET projects are modernizations of .NET Framework or older MVC systems. ELEKS, Altoros, and Iflexion all run dedicated modernization practices.
• Verify industry depth. FinTech and healthcare .NET systems carry compliance weight – shortlist vendors with real work in your sector, such as CSHARK for RegTech or Brainhub for fintech.
• Start small. A discovery sprint or code audit (DevCom, Inoxoft) tells you more about a vendor than any sales deck.

Still deciding between technologies? Our comparison of the top Angular development companies and the future of React can help on the front end, and our guide to mobile app development outsourcing covers the vendor-selection process in more depth.

.NET development trends shaping 2026

• AI moves inside the .NET stack. Vendors increasingly embed Azure OpenAI, ML.NET, and agent frameworks directly into .NET applications instead of bolting on separate AI services. Companies like Gorilla Logic (an Anthropic partner) and Oxagile now sell AI-native .NET engineering as a default, not an add-on.
• The current long-term-support .NET release is the default target. New projects in 2026 start on the latest LTS version of modern .NET, and vendors compete on migration speed from .NET Framework and aging .NET Core versions.
• Blazor keeps winning internal tools. For line-of-business apps, Blazor lets .NET teams ship interactive web UIs without a separate JavaScript stack, cutting project cost.
• Cloud-native is assumed. Containers, Kubernetes on Azure, and CI/CD are table stakes; the differentiator is whether a vendor also handles landing zones and FinOps, as Emergent Software does.
• Cross-platform reach through .NET MAUI. Companies like TatvaSoft list .NET MAUI explicitly, letting one C# codebase serve desktop and mobile – a real cost lever for business apps.

For adjacent technology decisions, see our roundups of the biggest mobile app development trends and blockchain-based identity and management.

Related reading

Conclusion

The .NET ecosystem in 2026 rewards buyers who verify before they sign. Every company on this list is active, current, and genuinely working in .NET – but the right choice depends on your geography, budget, industry, and how much of the delivery you want to own. For Azure-centric mid-market builds, Emergent Software stands out; for enterprise scale, ELEKS and N-iX; for dedicated hiring, Clarion; for media-heavy systems, Oxagile; and for content-driven .NET websites, Wakefly. Shortlist three, run a paid discovery with your favorite, and let evidence – not a sales call – make the final decision.

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