.Net Development Company

As one of the UK's leading .Net development agencies, we've developed software and applications for multiple Windows platforms, including desktop, mobile and web using Azure and the .Net framework.

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Clients we work with

Our .Net Development Services

Working with both Agile and Waterfall methodologies, our team are able to provide .net development expertise across a variety of business environments and team structures. With our existing enterprise experience, our experts develop multi-tier applications that are easily deployed and scaled to the cloud.

Utilising our own Dev-Ops capabilities, we can also help architect and maintain the underlying infrastructure, or work with internal platform teams to integrate into your existing architecture. This has led us to become one of the leading .net development companies in the UK Tech Space.

What is .Net?

.NET is an open-source and cross-platform development platform for building many types of applications. Designed by Microsoft, the platform supports multiple programming languages and libraries to build web, mobile, desktop, IoT applications, and more.


Why choose .Net for your Web Development?

.NET can be used to create any type of application with any type of platform. Simply it is platform-independent. This means that applications created using .NET will support various operating systems like Android, iOS, Windows, etc., .NET serves every possible solution to you while creating apps. It is also incredibly fast, ensuring excellent performance, even for intensive applications.  


The Complete .Net Development Package

Fill .Net and C# Skills Gaps From Day One

With over 10 years of experience, our developers are responsible for platforms that handle millions of users, hundreds of millions of transactions and solid seven-figure year-on year-growth. You can access their expertise at any time to help propel your applications forward.

.Net Migration and On-Going Support

We help organisations reduce costs and increase their agility by moving legacy applications to Azure cloud or hybrid. We also act as long-term partners for organisations looking to enhance and maintain .Net platforms across a range of industries.

Experienced Microsoft Consultancy

Our development team receive continuous training and professional development opportunities. This ensures they have the software development skills to successfully deploy, build, optimize, and operate applications using C# and the Microsoft .NET Framework.

Ready to build a high-performance .NET Application?

Our .Net Development Process


Our developers will undertake an assessment exercise to audit any existing infrastructure and code. This will allow us to develop a map of the application, APIs and any dependencies, alongside advising on how the application can be best maintained, migrated or re-factored.


Our business analysts and developers will work closely with your internal teams and stakeholders to develop a clear and phased plan for delivery.


Whether the migration is a simple replication of existing environments or a full rebuild, our team will ensure your deployment is robust and scalable. We only release code that has been through our rigorous QA process to ensure your platform performs flawlessly.


After the migration our team can continue to optimise the platform and your infrastructure, helping to reduce costs and keep on top of security concerns.

Why Choose Netsells as your .Net Development agency?

We work with organisations across the globe to complete .Net projects that increase profitability and efficiency.

Contact Our Team

We're Committed Partners

Our team is never satisfied with delivering the bare minimum against a brief. That just doesn’t cut it for us. We take the time to work with you to plan and develop sustainable, long-term solutions that deliver real, measurable results.

Cross-Industry Expertise

From innovative start-ups to large, established household names, our team has worked globally across some of the most exciting and advanced industries. We’ve seen first hand what it takes to build the best digital products on the market and are happy to share our insider secrets to help you succeed

Built to Scale With You

Building a development team is hard. We’ve experienced it first hand and have used our expertise to build and grow one of the best development teams in the UK. Whatever your requirements, our team can deliver projects at any scale and with a varied mixture of popular cross-platform development stacks.

Obsessed with Metrics

We approach projects by goals and objectives, not purely by features. This ensures your roadmap is always focused on moving the needle and pushing your business forward where it counts.

Flexible Resourcing

With expertise and capacity across product, development and delivery, we can adjust our offering to fit your needs like a jigsaw. We typically get the best outcomes for our clients when we own the entire project end-to-end.

Putting Users First

We minimise business risk by putting the end-user at the centre of everything we do. This allows us to validate hypotheses quickly and early in our process and obtain valuable information that influences the product direction for the better.

Trusted and Proven

We've honed our processes to make sure we integrate seamlessly into your business with a focus on minimising risk and enabling effective collaboration. Find out what our long term partners have to say about working with us.

Our Technologies

AWS Services for Web Development..


We help our clients save costs and increase performance using a range of AWS services managed and maintained by our AWS certified team.

Web Apps Deployed by Docker..


All of our applications are deployed on scalable and resilient foundations using the latest containerisation and virtualisation technologies.

High performance cloud resources via Azure..


Our clients get the benefit of high-performance cloud resources with expert access to Microsoft's enterprise-grade cloud computing services.

Our Industry Expertise


Fintech applications have democratised access to financial services, but building them correctly isn’t an easy task. With deep expertise in security, third-party integrations and regulatory compliance, we build Fintech applications that delight users and drive forward financial digital services.


Whether you’re a healthtech start-up embarking on the journey to develop your first app or an established organisation looking to deliver a better mobile experience, we understand what it takes to deliver technology that genuinely changes lives.


Looking to build the next Airbnb? Developing, deploying and growing peer-to-peer applications takes more than connecting two sides of a marketplace. With proven expertise growing the UK’s biggest parking platform, we can help you get to market and become the category leader


From mobile eCommerce to accurately managing inventory, digital applications can be leveraged by retailers to improve customer experience and organisational efficiency. We help retailers uncover and deliver the digital-first strategies that will make an impact.

Our .Net Work

We've built robust .Net solutions across a range of industries. Find out more about our latest projects.

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Ready to leverage the power of .Net?