Top 100 ASP.NET Developers in the United Kingdom
June 2023Looking for a top ASP development company in the United Kingdom?
Microsoft developed ASP.NET in 2002 as an open-source and server-side web development framework. It supports multiple programming languages include HTML, C#, F#, C++, and Visual Basic Net.
When hiring an ASP.NET developer, consider the specialties and years of experience needed for your project. Since the ASP.NET framework supports more than one programming language, your developer should have experience not only with ASP but also with your website's development languages. Beginner ASP.NET developers may be familiar with .NET, C#, HTML, and CSS, while more advanced developers will be familiar with .NET, additional programming languages, and development methodologies like Agile.
To assist you in your search for a partner, we’ve compiled this list of the top ASP.NET developers in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom ASP Development Companies
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1
- $25,000+
- 50 - 249 employees
- Croydon, United Kingdom
Founded in 2005 and headquartered in Croydon, UK, GoodCore Software specializes in bespoke software development. WIth a team of about 50 employees, the company offers web and mobile app development to startups and established businesses alike. Engagement options include fixed- cost and dedicated development teams.
Clients
- Printed Music Licensing
- Weight Loss Resources
- GC Business Finance
- XTracked Deliveries
Industries
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GoodCore developed a SaaS application for managing briefing programs and events for Fortune 100 companies. The team coded in React and Laravel for creating a web-based application. The application helped automate and streamline the management of corporate events, briefing programs and meetings.
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2
- $50,000+
- 250 - 999 employees
- Farnborough, United Kingdom
One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups
Clients
- Smith & Nephew
- GAIL's Bakery
- Costa Express
- Pearson
Industries
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One Beyond (formerly DCSL GuideSmiths) developed a cloud-based web app for a contract company. The digital tool lets users define large construction projects and streamlines the procurement process for contractors.
“Whenever there was a problem, they helped us come up with a solution.”
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3
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.
Clients
- Bank of Kigali
- Kuoni
- SAP
- PayPoint
Industries
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CoreBlue supported the development of a volunteering software marketplace for a digital products and services company. They provided a roadmap, created design prototypes in Figma, and built portals in React.
"They took the time to understand the long-term plan for this platform."
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4
- $25,000+
- 50 - 249 employees
- London, United Kingdom
Synetec is a software development consultancy headquartered in London. They were established in 2009, and have 26 employees. Synetec's range of services includes cloud, CRM, and business intelligence consulting, software integration, web development, custom software development, and more.
Clients
- Argentex
- Genesis
- Jabre Capital Partners
- Zebedee Capital Partners LLP
Industries
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Synetec developed a bespoke CRM system for a cybersecurity company. The team led a discovery phase, then built the system, including customer management and marketing automation features and an accounts API.
"Synetec spent a lot of time understanding our business."
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5
- $10,000+
- 250 - 999 employees
- London, United Kingdom
Softwire is a digital design, engineering and support agency, with offices in London, Cambridge and Manchester. Employing over 200 engineers we create bespoke digital software, mobile apps, and offer strategic IT consulting for some of the UK’s leading brands including the BBC, David Lloyd Clubs, Channel 5 and many large Government Departments.
Clients
- The BBC
- David Lloyd Clubs
- RSA
- The Cabinet Office
Industries
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A property portal company has collaborated with Softwire for custom software development using React, Java, and more. They manage product research, MVP creation, launching process, and various optimization.
"They operate independently and raise issues only when necessary."
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6
- $10,000+
- 10 - 49 employees
- Wimborne, United Kingdom
Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.
Clients
- Apex
- Virgin Atlantic Airways
- Ipes
- Good Energy
Industries
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A telecommunications company has hired Transparity Ballard Chalmers to help them improve their business-critical integrations in order to provide enhanced reporting, monitoring, and alerting.
"They will tell you realistically what you can expect."
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7
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Influential Software is a software development firm in London, United Kingdom; Maidstone, United Kingdom and Glasgow, United Kingdom. The firm focuses on custom software development, web development, BI & big data consulting & SI, IT managed services, and more and has a midsize team.The firm was launched in 1993.
Clients
- Deloitte
- American Express
- London Stock Exchange
- Pret a Manger
Industries
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Influential Software developed a Sharepoint solution to improve a children's charity organization's data management and delivered an interactive wiki.
"We were very impressed with Influential for the positive meetings and collaboration between our two companies."
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8
- $10,000+
- 10 - 49 employees
- Cheshire , United Kingdom
CSI Media is an award-winning web and software development company with 23 years’ experience in delivering bespoke, advanced solutions for mid-market and enterprise-level companies across the UK. They combine inspiring design with the latest tech to deliver world-class digital solutions including CMS websites (Umbraco, Sitecore & Shopify), web applications, e-commerce platforms, business portals, and software systems and, since 1998, they have developed over 200 custom platforms for companies across the U.K.
Clients
- Motor Trade Delivery
- The Priory Group
- Hovertravel
- The Cormar Carpet Company
Industries
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A children's sports organization engaged with CSI Media for their custom software development services. The team built a mobile-friendly web app using Umbraco and is looking to develop a mobile version soon.
"They really are a passionate team, and you can get that right away when you meet them."
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9
- $25,000+
- 10 - 49 employees
- London , United Kingdom
AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.
Clients
- BetDSI
- Strengthscope
- Clevry
- Buyfair
Industries
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AVAMAE Software Solutions Ltd has provided consulting to a SaaS startup to help them define their platform’s requirements. Additionally, they’ve created the UI/UX design to showcase the product to investors.
“AVAMAE has been a helpful partner, and they’ve basically become the technology brain behind our fundraising process.”
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10
- $50,000+
- 50 - 249 employees
- London, United Kingdom
Founded in 2010, Magora is a 50+ team of web and mobile app designers and developers based in London. Whether it’s B2B or B2C, the firm creates bespoke software that integrates with existing business solutions to enable user-centered interaction and scalable software architecture.
Clients
- Danone
- Unilever
- Toyota
- Royal College of Art
Industries
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Magora Systems has helped with DevOps and worked on the main core system for a mobility solutions company. They’ve also built systems from scratch using PHP, JavaScript, and relational databases hosted on AWS.
“They’re a stable and reliable team.”
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11
- $50,000+
- 50 - 249 employees
- Sutton, United Kingdom
Geeks is a software development company in London. Founded in 2007, Geeks' team of 85 specializes in custom software development, web development, and mobile app development, primarily for midmarket clients in media and govenment.
Clients
- BBC
- EasyJet
- Euromoney
- Mitie
Industries
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A real estate investment fund partnered Geeks Ltd for mobile app and software development services. The Geeks Ltd team created wireframes and continues to build software, APIs, and an iOS and Android app.
"Their team takes our concepts and then creates tangible products."
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12
- $5,000+
- 50 - 249 employees
- London, United Kingdom
Transputec, a midsize cybersecurity company, is located in Wembley, United Kingdom. They focus on cybersecurity, IT managed services, and custom software development and were launched in 1984.
Industries
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A media and events company was looking to revamp their IT infrastructure, so they engaged with Transputec Ltd to provide them with a full audit of their entire system.
"They came up with good solutions at a reasonable cost and delivered their tasks with minimal problems."
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13
- $10,000+
- 50 - 249 employees
- London, United Kingdom
BGO Software is a Bulgarian software design company that has offices in Sofia, Plovdiv, and London, U.K. Established in 2008, the company employs a team of 73 who specialize in software and mobile app development.
Clients
- NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.
Industries
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An entertainment group has hired BGO Software - the digital health lab for custom software development.
"They genuinely understand what they're doing."
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14
- $10,000+
- 10 - 49 employees
- Cambridge, United Kingdom
Founded in 2004, Computer Conquest is an IT managed services company. The company offers IT managed services, cloud consulting & SI, custom software development, IT strategy consulting, and more and has a small team. The company is in Cirencester, United Kingdom.
Clients
- The Woodhouse Partnership
- Brickflow
- Huma Business Intelligence
- Misys / Finastra
Industries
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CCQ Tech provides custom software development services for an asset management consulting firm. They work on everything from UI to development, using C#, C++, and DevExpress as technologies.
“They stand out for their ability to be agile and responsive to client needs regarding working practices and flexibility.”
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15
- $50,000+
- 50 - 249 employees
- Leeds, United Kingdom
Audacia is a bespoke software development firm headquartered in Leeds, UK. Founded in 2007, and have about 30 employees, most of their clients are large-scale enterprises in the European market. They provide custom software development, web development, mobile apps, software integration, and staff augmentation.
Clients
- O2
- Story Homes
- AESSEAL
- ADM Agriculture
Industries
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Audacia supports a gas and electricity supplier in building a new system to manage end-to-end billing processes. The goal is to simplify and add validation to processes and store data accessible to staff.
"The quality of their developers is very impressive."
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16
- $25,000+
- 10 - 49 employees
- London , United Kingdom
Atom CTO is a software company based in London with more than 10 experts. Founded in 2017, they offer IT strategy consulting, application management and support, and business consulting solutions for both small and medium-sized companies.
Clients
- Accelerated Payments Limited
Industries
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Atom CTO provides business consulting services to a startup. They help identify funding opportunities, and they strategize how to increase sales. They also help determine the client's right target market.
"Their work has helped me pivot many times to set myself up for success."
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17
- $10,000+
- 2 - 9 employees
- Bristol, United Kingdom
Blue Sparrow Apps is a development agency based in Bristol, England, and founded in 2015. With fewer than 10 employees, they specialize in mobile app and custom software development solutions for both small and medium-sized businesses.
Clients
- FanHub
- Coeus Software
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Blue Sparrow Apps developed a smartphone app for a religious organization. The final product uses an API to connect dozens of versions of the bible while integrating camera and video functionality.
“Working creatively, they’ve developed a product that’s truly robust.”
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18
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Silicon Reef are a SharePoint development & Microsoft 365 solutions agency. Founded in 2016, they are located in the United Kingdom with offices in London, Chester, and Bournemouth. They offer a range of services from consultancy, campaign-based web or app development, and front-end creative. They also offer full-blown migration, strategic road-mapping, and full-service development partnerships and partner with medium-sized to enterprise clients.
Clients
- Unilever
- Asahi
- Anglo American
- SEGA
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Silicon Reef helped a CPG company build custom software that executes questions and collects data. After defining the requirements and expectations, the team worked from MVP and development to launch.
"I liked their professionalism."
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19
- $5,000+
- 2 - 9 employees
- Northampton, United Kingdom
Full Metal Software is a bespoke software development agency located in Northampton, England. Founded in 2004, they have three employees specializing in full stack web development and innovative business solutions for small and midmarket companies, typically in business services, finance, and healthcare. Services include project management, code updating, CMS support, software development, and outsourcing.
Clients
- YourGene Health
- Pastdrives Ltd
- Zanzibar Amber Resort
Industries
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A managed IT service provider hired Full Metal Software to transfer their software into a cloud-based server and create new test and UAT areas.
"Full Metal handled the project brilliantly and continue to deliver great support."
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20
- Undisclosed
- 2 - 9 employees
- Bollington, United Kingdom
ACS is a software house based in Bollington, England, and founded in 2099. Their team of no more than 10 specializes in custom software development, mobile app development, and big data consulting solutions for clients in the fields of hospitality and healthcare.
Clients
- Common Goal
- The Manchester United Supporters Trust
- Fifa
- Sony Music
Industries
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ACS developed a custom site with transaction capabilities for a nonprofit. Currently, they continue to provide support on the client's backend process, ensuring that the content management and CRM work well.
"They’re really making an effort to get to the bottom of our challenges."
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21
- $25,000+
- 10 - 49 employees
- Long Crendon, United Kingdom
GrowCreate is a Long Crendon, United Kingdom-based software development firm. The small company was established in 2012. Their team offers custom software development, web design, web development, ux/ui design, and more.
Industries
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GrowCreate redesigned an outcome-based solutions company. This entailed recreating a new website that's easily navigable. Thus, making updating and changing content much more efficient, and increasing traffic.
"I love how personable they were, nothing is too much trouble."
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22
- $10,000+
- 50 - 249 employees
- Exeter, United Kingdom
Software Solved is an Exeter, United Kingdom-based custom software development company. They specialize in custom software development, BI & big data consulting & SI, cloud consulting & SI, Artificial Intelligence, and more and were launched in 1998.
Industries
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A lift installation and maintenance company was looking to modernize their operations, so they engaged with Software Solved to serve as their primary custom software and mobile app development partner.
"Because of their team, we’ve grown into a financially successful company."
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23
- $5,000+
- 50 - 249 employees
- Sudbrooke, United Kingdom
Inncrewin Technologies is a software agency based in Bangalore, India, and founded in 2008. Their team of more than 50 offers custom software, web, and mobile app development solutions for small and mid-market firms in the fields of e-commerce, hospitality, and advertising.
Clients
- Signature Flow
- MeetingSense
- SafeSend Tax Solution
Industries
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Inncrewin Technologies provides outsourced development services for an accounting software company. Their work is on a Microsoft stack using .NET, Azure, and React.
“For a small company, they have really been able to hire some excellent technical people.”
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24
- $100,000+
- 10 - 49 employees
- Edinburgh, United Kingdom
ClearSky Logic, a custom software development firm, was founded in 2018. The firm offers custom software development, BI & big data consulting & SI, cybersecurity, and IT staff augmentation and has a small team.
Industries
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A digital sourcing platform hired ClearSky Logic to rebuild an existing MVP into a complete product. The goal is to make the solution more scalable and enterprise-ready.
“I’m impressed with ClearSky Logic’s technical capabilities.”
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25
- $10,000+
- 10 - 49 employees
- London, United Kingdom
TechTIQ Solutions is a web design and development agency in London. Founded in 2017, they have about 5 employees that work with a range of clients.
Clients
- Oxford University
- Imperial College London
- Total Active Solutions
- Sake Sommelier Association
Industries
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TechTIQ Solutions developed a website and mobile app. Its features include online ordering in addition to ordering through Facebook and the mobile app. They continue to maintain both services.
“They have an expert mobile app development team and always respond to our inquiries.”
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26
- $1,000+
- 10 - 49 employees
- Liverpool, United Kingdom
STARLink Global is a web development firm established in 2013. They are located in Liverpool, United Kingdom and have a small team. The agency specializes in web development, social media marketing, search engine optimization, custom software development, and more.
Industries
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STARLink Global provided branding services for a perfume brand company. The team designed the client's logo, graphics, and packaging as well as their e-commerce site and managed SEO & PPC efforts.
"They had a remarkable delivery quality service."
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27
- $10,000+
- 10 - 49 employees
- London, United Kingdom
TensionX is a software company founded in 2020 with fewer than 50 experts. They provide custom software and web development solutions from their office in London. They mainly work with small and mid-market firms in the fields of advertising and business services.
Clients
- CloudKii
- Companion Games
- Tooled Up Raccoons
Industries
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TensionX is developing a platform for a digital marketing agency. The platform must enable third-party customers to distribute and sell the agency’s SaaS products.
“They’re able to take everything that we want and implement it quickly.”
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28
- $1,000+
- 2 - 9 employees
- Fulham, United Kingdom
Lisa Web Design is a web agency based in Küçükçekmece, Turkey with more than two employees. They have offered web design, custom software development, and web development solutions since their founding in 2013.
Clients
- Novarch E-Commerce
- Chandesign
- Fab Yapı
Industries
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Lisa Web Design designed and developed a handmade furniture company's website. They also provided SEO campaigns for their platform.
"They were quite receptive to unwanted surprises. They easily solved our problems with their experience."
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29
- $10,000+
- 10 - 49 employees
- Kent, United Kingdom
Chilliapple Ltd., a mobile app development company, was launched in 2008. The small team specializes in mobile app development, e-commerce development, custom software development, and web development. The company is based in Kent, United Kingdom and , United Kingdom.
Clients
- Quickvit
- Transfer Travel
- Merlin Workwear
- StoneButterfly
Industries
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Chilliapple Ltd. was hired by a digital thermometer manufacturer to make their website user-friendly and with a better UX for customers. They regularly updated the client on the progress and met deadlines.
"Their communication skills and ability to complete the project within budget and timescale were impressive."
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30
- $10,000+
- 10 - 49 employees
- London, United Kingdom
C-BIA Consulting Ltd is a big data company headquartered in London, United Kingdom. Founded in 2006, the small team specializes in BI & big data consulting & SI, IT managed services, custom software development, application management & support, and more.
Industries
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C-BIA Consulting Ltd is a business school’s development partner in Microsoft Business Intelligence platform integrations. Their on- and offshore teams develop bespoke code to leverage APIs in several systems.
“The C-BIA is very proactive in highlighting risks and suggesting risk mitigation efforts that can be taken.”
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