Top 100 ASP.NET Developers in the United Kingdom
The Best of November 2024
Looking 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
- $100,000+
- 1,000 - 9,999 employees
- London, England
N-iX is a global software solutions and engineering services company that helps the world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using modern technology. With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies, creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, and more.
Clients
- Bosch
- Siemens
- eBay
- Total Energies
Industries
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2
- $10,000+
- 250 - 999 employees
- London, England
SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.
Clients
- Abbott
- BOSCH
- KPMG
- Western Union
Industries
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3
- $50,000+
- 1,000 - 9,999 employees
- London, England
Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.
Clients
- HughesNet
Industries
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4
- $25,000+
- 1,000 - 9,999 employees
- London, England
Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others.
Clients
- Expedia
Industries
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5
- $25,000+
- 1,000 - 9,999 employees
- London, England
Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
Clients
- IBM
- PayPal
- pwc
- IC Markets
Industries
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6
- $25,000+
- 50 - 249 employees
- London, England
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
- PMLL
- GCBF
- Hirevine
- London Women's Clinic
Industries
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7
- $10,000+
- 250 - 999 employees
- London, England
TkXel is a mobile app and web development company founded in 2007. With its headquarters in Reston, Va., and an office in Lahore, Pakistan, they have a team of 318 employees. Their services include mobile app development, web development, and custom software development. They primarily serve small and midmarket clients.
Clients
- ABB
Industries
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8
- $50,000+
- 1,000 - 9,999 employees
- London, England
Founded in 1991, ELEKS is a provider of software development, product design and technology advisory services. They offer cooperation models that fit the goals, resources and timelines of Fortune 500 companies, large enterprises, and small businesses. ELEKS has more than 2,000 specialists and 17 offices on three continents to serve their clients globally.
Clients
- Eagle Investment Systems (a subsidiary of BNY Mellon)
Industries
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9
- $50,000+
- 1,000 - 9,999 employees
- London, England
Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.
Clients
- Samsung
Industries
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10
- $50,000+
- 250 - 999 employees
- Bridge of Don, Scotland
CSHARK is a software and product development company that helps enterprises with digital transformation and start-ups translate ideas into products. Founded in 2014, it currently has over 300 mid and senior developers on board. CSHARK creates web and mobile apps from scratch and consults companies from FinTech and RegTech sectors. According to the Financial Times ranking in 2019 and 2020, we were among the fastest-growing companies in Europe.
Clients
- Fenergo (Fintech)
Industries
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11
- $10,000+
- 250 - 999 employees
- London, England
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
Industries
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12
- $5,000+
- 1,000 - 9,999 employees
- London, England
Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.
Clients
- Ericsson
Industries
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13
- $10,000+
- 50 - 249 employees
- London, England
Angry Nerds is a software development house based on Wroclaw, Poland. Established in 2015, they have more than 60 employees who provide app development services for global clients consisting mostly of small and mid-market firms. Their services include custom software development, web development, and mobile development for Android and iOS. They also offer staff augmentation.
Industries
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14
- $10,000+
- 10 - 49 employees
- London, England
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
- The International Stock Exchange
- London Underground
Industries
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15
- $10,000+
- 10 - 49 employees
- Cheshire , England
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
Industries
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16
- $10,000+
- 250 - 999 employees
- Winnersh, England
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
Industries
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17
- $5,000+
- 250 - 999 employees
- London, England
Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries.
Clients
- Audiocodes
Industries
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18
- $1,000+
- 10 - 49 employees
- London, England
Established in 2018, Beesoul LLC is a small UX design agency. Their services include ux/ui design, BI & big data consulting & SI, custom software development, IoT development, and more. The firm is located in Richmond, California.
Industries
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19
- $5,000+
- 250 - 999 employees
- London, England
GeekyAnts is a mobile app development company that's headquartered in Bangalore, India; they also have a London office. They were founded in 2006 and have about 59 employees that provide services for mobile app development, web development, and UX/UI design services to clients of all sizes in a wide array of industries.
Clients
- Siveco Romania
- Olive Garden
- Darden
- KhataBook
Industries
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20
- $10,000+
- 10 - 49 employees
- London, England
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
Industries
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21
- $25,000+
- 50 - 249 employees
- London, England
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
Industries
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22
- $10,000+
- 50 - 249 employees
- London, England
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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23
- $50,000+
- 50 - 249 employees
- London, England
Metasite is a software development firm. Their midsize team is based in Vilnius, Lithuania and London, United Kingdom. The firm specializes in custom software development, application management & support, IT managed services, and IT strategy consulting.Read MoreClients
- Man Group
Industries
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24
- $25,000+
- 50 - 249 employees
- London, England
Unified Infotech is technology company headquartered in New York with another office in Kolkata, India. Founded in 2010, their team of 150+ works with enterprises, small to medium businesses, and startups as end-to-end solution partners for custom-tailored software, web, and mobile apps.
Clients
- NBC Universal
Industries
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25
- $50,000+
- 50 - 249 employees
- London, England
Jelvix is a global tech partner with over 10 years of experience, headquartered in Tallinn, Estonia, with additional locations in the USA, Canada, and Germany. Our primary focus is Healthtech, but we also serve various industries, including Financial Services, Insurance and Real Estate. We specialize in Enterprise Software Development, IT Consulting, Software Integration, and more.l
Clients
- Tiber Capital Group
Industries
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26
- $10,000+
- 50 - 249 employees
- London, England
Haefele Software is an outsourced Microsoft software development company based in Cape Town, South Africa, with offices in Melbourne, Australia; Tampa, Florida; and London. The company, founded in 2006, has more than 50 employees and provides custom software development, IT strategy consulting, and IoT development services to enterprise and smaller-sized companies in various industries.
Clients
- Tesco
- Burger King
- AS Watson Group
- Pikmykid
Industries
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27
- $10,000+
- 50 - 249 employees
- London, England
Founded in 2004, HeadChannel is a software development firm that offers custom software development, web development, and mobile app development services to their small business and mid-market clients in the IT industry. Their 50 employees are based out of offices in London and Katowice, Poland.
Clients
- The William Pears Group
Industries
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28
- $25,000+
- 10 - 49 employees
- London , England
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
Industries
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29
- $25,000+
- 10 - 49 employees
- London, England
AtraX is a small website development company established in 2006. Their services include web development, custom software development, graphic design, IT strategy consulting, and more. The company is in Florence, Italy and Tirana, Albania.
Industries
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30
- $5,000+
- 50 - 249 employees
- London, England
bvblogic is a full-stack web and mobile development company headquartered in Ivano-Frankivsk, Ukraine, with additional offices in Warsaw, Poland; Kiev, Ukraine; and Toronto, Ontario. Founded in 2008, bvblogic's team of around 75 employees specializes in web development, mobile app development, and custom software development. bvblogic primarily works with midmarket and enterprise clients in the business services, consumer products, and advertising industries.
Clients
- SOCAR Energy
Industries
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