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Top IT Service Providers for .NET in the UK

457 IT service providers ranked by rating, review volume and listing quality.

Between them, the 457 IT service providers on this page cover web development (450), PHP (384), web design (365) and IT services (331). They also list work in United States of America. 457 of them have written a profile you can read before you get in touch.

We list more than 450 IT service providers in the UK listed for .NET development. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: Your Dev Team, Abbacus Technologies and Digijuice.

Before you shortlist, check

Work on current .NET versions, not only legacy .NET Framework
A plan for moving any old .NET Framework code forward
Automated tests and deployment you can run yourself
That you own the code and the build pipeline

Filter by fitbudget, engagement, size and more

Your Dev Team
Custom Software Development · Web Development · React Native
Your Dev Team Global builds development teams that work full-time for your business.
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Abbacus Technologies
Mobile App Development · Web Development · Web Design
Abbacus Technologies is a leading Web and Mobile Application development company.
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Digijuice
Web Development · Web Design · WordPress
Digijuice - a Scottish digital agency providing premium hosting, web design, social and SEO consultancy.
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My Web Application Ltd
Mobile App Development · Web Development · Web Design
At My Web Application, we focus on measurable results that matter to you and your business.
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Xibis
Mobile App Development · Web Development · iOS App
We're an innovative custom development company operating in a wide variety of industry sectors, which include retail, healthcare, and transport.
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Techno Infonet
Mobile App Development · Search Engine Optimization · Web Development
Techno Infonet commenced with humble beginnings in 2004. A handpicked team of 45+ highly qualified passionate professionals has been done after meticulous evaluation.
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GuideSmiths
Web Development · React Native · PHP
We take great pride in what we do and firmly believe our success is based on a combination of technical expertise forged from decades of project experience and a relentless focus…
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Magora
Mobile App Development · Web Development · Web Design
Magora Systems is an international IT company with 9 years of extensive experience in the IT outsourcing market.
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Pinro
Mobile App Development · Web Development · iOS App
An experienced and respected software development company, based in the center of London.
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Apadmi Ltd
Web Development · Web Design · JavaScript
We’re experts in mobile technology. Since we began in 2009, we’ve built mobile apps and solutions for some of the UK’s biggest brands, including the Co-op, BBC, NHS, Land Rover…
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Satva Softech
Mobile App Development · Web Development · Web Design
Satva Softech is the UK based young and growing software consultancy and web development company with offices in London and India.
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TechHuddle
Mobile App Development · Web Development · iOS App
TechHuddle is one of the fastest-growing IT companies in Bulgaria. We help companies of all sizes with their offshore IT and IT outsourcing challenges.
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Pogo Studio
Mobile App Development · Web Development · iOS App
Founded in 2016, Pogo’s team already has 50 years of experience and hundreds of projects under their belt. We love to be creative, and we love to get involved.
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Radgost Web Lab
Web Development · UI/UX Design · E-Commerce Development
We make simple, useful software that is used by more than 500,000 businesses around the world.
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WeCodePlus
Mobile App Development · Web Development · Web Design
To build software is difficult, expensive and time-consuming. The market is a strange place to navigate through, and it's easy to become trapped by a highly-priced agency with…
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DCSL Software Ltd
Custom Software Development · Web Development · Web Design
Welcome to DCSL’s home on LinkedIn! Be sure to follow us for our latest blog posts. We are an award-winning Software Development company based in London and the South East.
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Eastpoint Software
Mobile App Development · Web Development · iOS App
Eastpoint is a digital product consultancy that works with SMEs and startups.
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Desap
Mobile App Development · Web Development · iOS App
Desap is currently producing Digital Solutions and Mobile Applications with unique and groundbreaking functionality, incorporating Integrated Smart Device Technology designed to…
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techUK
Mobile App Development · Web Development · iOS App
techUK represents the companies and technologies that are defining today the world that we will live in tomorrow. 900 companies are members of techUK.
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Digital Catapult
Mobile App Development · Web Development · iOS App
At Digital Catapult we truly believe in our values and delivering these in our business culture for employees and partners.
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Eseye
Mobile App Development · Web Development · iOS App
Eseye is the one global IoT cellular connectivity and hardware company that delivers business outcomes from idea to implementation for Systems Integrators, MNOs, and Device…
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balena
Mobile App Development · Web Development · iOS App
Balena is a complete set of tools for building, deploying and managing fleets of connected Linux devices.
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Four Group
Mobile App Development · Web Development · iOS App
Four Group are a fashion company with a diverse and impressive brand list.
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CyanConnode
Mobile App Development · Web Development · iOS App
CyanConnode is a world leader in the design and development of Narrowband RF mesh networks that enable Omni Internet of Things (IoT) communications.
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How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
Earned trust: verification, awards and the other checks a firm has actually passed
Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names the UK are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list elsewhere: USA (714) · India (465) · Germany (222) · Canada (143).

Other specialisms in the UK: UI/UX design (941) · e-commerce (854) · Android app development (812) · iOS app development (800) · WordPress (752).

Every IT service provider in the UK: the full list.

Every category in the UK: the UK country page.

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More it service providers rankings

Every other way we rank it service providers — by what they do and where they are.

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More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.

Top IT Service Providers for .NET in the UK

Your Dev Team

Abbacus Technologies

Digijuice

My Web Application Ltd

Xibis

Techno Infonet

GuideSmiths

Magora

Pinro

Apadmi Ltd

Satva Softech

TechHuddle

Pogo Studio

Radgost Web Lab

WeCodePlus

DCSL Software Ltd

Eastpoint Software

Desap

techUK

Digital Catapult

Eseye

balena

Four Group

CyanConnode