
Top 100 Systems Integrator Companies in the United Kingdom
March 2023List of the Best United Kingdom System Integrators
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1
- $50,000+
- 50 - 249 employees
- Belfast, United Kingdom
Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.
Industries
Notable Project
Instil Software was hired by a tech company to support their internal development capabilities. They were tasked with developing sets of features across multiple developer tooling products.
"We were impressed with how well they integrated into the internal team's ways of working."
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2
- $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
Notable Project
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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3
- $10,000+
- 2 - 9 employees
- London, United Kingdom
Founded in 2017, Lambert Labs is a software development agency that specializes in Python. Their team of fewer than 10 employees is based in London. They also provide web development services and application testing.Â
Clients
- Accenture
- Aerial Empire
- Bongo's Bingo
- Boost
Industries
Notable Project
Lambert Labs has been hired by a cross-cultural consultancy to build a custom project management system. They have also resolved issues that were not addressed by the previous developers of a legacy software.
"They are easy communicators and professionals."
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4
- $50,000+
- 50 - 249 employees
- York, United Kingdom
Netsells is an app development agency based in York, UK. The agency was founded in 2009 and now employs a team of about 30. Netsells specializes in mobile app development, but also provides web development and UX/UI design services. Most of Netsell's clients are small to midmarket businesses.
Clients
- Hiscox
- Uber
- Trainline
- Warburtons
Industries
Notable Project
A software development company partnered with Netsells Group with creating a fitness mobile app that helps users track their fitness goals. They were chosen for their record as an MVP development leader.
"Their honesty and transparency are extremely commendable, working as true partners at every stage of the process."
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5
- $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
Notable Project
Influential Software developed a Sharepoint solution to improve a children's charity organization's data management and delivered an interactive wiki.Â
"We were very impressed with Influential for the positive meetings and collaboration between our two companies."
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6
- $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.Â
Clients
- Unilever
- Asahi
- Anglo American
- SEGA
Notable Project
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.Â
"I liked their professionalism."
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7
- $50,000+
- 1,000 - 9,999 employees
- Leeds, United Kingdom
Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients.Â
Clients
- Euroclear
- Barclays
- Xerox
- BBC
Industries
Notable Project
BJSS is developing an integration layer to send medical recommendations from a third-party solution to a .NET web app and SQL database. Their solution is built on JSON, HTML, and JavaScript.
"...BJSS’ work has put us in a fantastic position."
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8
- $10,000+
- 10 - 49 employees
- London, United Kingdom
ConsultMyApp (CMA) is a London-based marketing agency with about 15 team members. Founded in 2016, their primary services is mobile and app marketing. Most of their clients are in the advertising and marketing industry as well.
Clients
- Daily Mail
- King.com
- Deliveroo
- The Telegraph
Industries
Notable Project
ConsultMyApp (CMA) provides app optimization services fro a sports betting company. They work on several initiatives and campaigns to drive organic and paid traffic to the client’s applications.
“The quality of their employees is outstanding. We have an excellent relationship.”
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9
- $5,000+
- 10 - 49 employees
- Coventry , United Kingdom
Imobisoft is a full-service mobile app & software development company based in Coventry, U.K., with an office in London. The company, founded in 2007, has a team of more than ten that provides custom software development, digital strategy, IoT development, web development, BI & big data consulting & SI, and SEO services. Imobisoft serves midmarket and other-sized companies in the medical, manufacturing, utilities, energy & natural resources, financial services, ane e-commerce industries.Â
Clients
- NHS (Multiple divisions)
- BSkyB
- E-Energy
- Northern Gas Networks
Industries
Notable Project
An energy supplier hired Imobisoft to provide web and app development. Their efforts also include UI/UX design for a platform that allows salespeople to streamline their processes.
"Imobisoft developed a web and mobile app using .NET  technologies. The application allows us to bring on thousands of new customers . Without the software they created for us, we wouldn’t be generating sales. We're very satisfied with the design and the application, and it couldn’t be better".
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10
- $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
Notable Project
Ballard Chalmers Ltd serves as the development partner to a medical software firm. They use their Microsoft Azure experience to help the client maintain and enhance their record-keeping software solution.
“I appreciate having direct communication with the developers, which has made the project much more straightforward.”
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11
- $10,000+
- 250 - 999 employees
- London, United Kingdom
impakt Advisors is a big data company based in New York. Founded in 2016, this company has 10 employees. Services provided by impakt Advisors include IT strategy consulting, big data consulting, and cloud consulting for businesses of all sizes.
Clients
- TD Ameritrade
- Bridgestone Firestone
- Dell EMC
- Public Goods and Indigo AG.
Industries
Notable Project
impakt Advisors provides data analysis to understand the user base of an inventory management application. The team examines data collected by numerous sources and produces presentations of their findings.
"The team’s incredibly gifted in getting an answer from data."
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12
- $1,000+
- 50 - 249 employees
- Birmingham, United Kingdom
IT managed services company EBC Group was launched in 1989. They are headquartered in Birmingham, United Kingdom and have a midsize team. Their services include IT managed services, cloud consulting & SI, ECM consulting and SI, and IT strategy consulting.
Clients
- Avon & Somerset Police
- Twycross Zoo
- Thursfields Solicitors
- Midlands Air Ambulance
Industries
Notable Project
EBC Group provides managed IT services and network support to a solicitors firm. Their scope includes handling servers, hardware equipment, and software installations, as well as providing ongoing support.
“EBC Group responds to calls quickly and is proactive in solving challenges.”
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13
- $10,000+
- 50 - 249 employees
- Islington, United Kingdom
CRM consulting and SI company Dynamics Square UK is headquartered in Islington , United Kingdom and Manchester, United Kingdom. The company offers CRM consulting and SI, ERP consulting and SI, IT managed services, IoT development, and more and is midsize.The company was launched in 2011.
Industries
Notable Project
Dynamics Square UK developed an ERP system for a car restoration company. After analyzing the company's current needs and practices, they exported the master data and implemented the new system.
"They were understanding and hardworking."
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14
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Exometrics is an AI development company. They are in London, United Kingdom and have a small team. The agency provides Artificial Intelligence, BI & big data consulting & SI, and business consulting.
Industries
Notable Project
Exometrics created a machine learning (ML) algorithm for a digital asset mining company’s anti-money laundering tool. Their work involved creating a proof of concept (POC) for the firm to use in their service.
“Their ML skills were top-notch.”
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15
- $5,000+
- 50 - 249 employees
- Marlow, United Kingdom
Atech Support Ltd is a cloud-services company based in High Wycombe, United Kingdom. Founded in 2006, their team of around 35 employees provides cloud and IT strategy consulting and IT managed services.
Clients
- Octopus Investments
- Tesco Bank
- The Big Table Group
- GLH
Industries
Notable Project
In six weeks, Atech Support Ltd rebuilt the client's IT infrastructure, moving the physical ITÂ system to cloud-based platforms like Microsoft Azure, 365, and SharePoint. Their team ported directories and information.Â
"Parkwalk encountered zero downtime during the trandformation process"
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16
- $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
Notable Project
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. Â
"Their team takes our concepts and then creates tangible products."
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17
- $10,000+
- 2 - 9 employees
- WOLVERHAMPTON, United Kingdom
KSB Technologies is a custom software development company. The small WOLVERHAMPTON, United Kingdom-based team focuses on custom software development, web development, IT strategy consulting, cloud consulting & SI, and more. The agency was founded in 2021.
Clients
- DFE
- Hiscox
- ESFA
- AutoFlow
Notable Project
A digital agency hired KSB Technologies to help build a custom software solution for an end client using .NET. Using documentation and requirements provided by the end client, they worked on the backend.
“Their attitude and willingness to drive the project forward to get it delivered went above and beyond.”
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18
- $25,000+
- 2 - 9 employees
- Fleet, United Kingdom
Ei Square® is a Fleet, United Kingdom-based big data analytics company. The firm focuses on BI & big data consulting & SI, custom software development, and IT staff augmentation and is small.The firm was founded in 2019.
Clients
- Fintech
- Social Housing
Industries
Notable Project
Ei Square provided business intelligence and process streamlining services. They leveraged their expertise by decommissioning old reports and automating the migration of data through dashboards into reports.Â
"In my view, I have full confidence."Â
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19
- $5,000+
- 10 - 49 employees
- Great Baddow, United Kingdom
Objective is a software development firm. The small Great Baddow, United Kingdom-based team provides custom software development, BI & big data consulting & SI, Artificial Intelligence, conversion optimization, and more. The agency was launched in 1987.
Clients
- Epson
- International Institute for Strategic Studies
- Chelmer Housing Association
- TTP - The Technology Partnership
Industries
Notable Project
Objective was hired by a duplicate bridge platform to improve their services and streamlines for entries. The main goal was to create a multi-user interface for their calendar of events.
"There was no point at which we stumbled aside from my own workload being too much to provide input!"
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20
- $10,000+
- 10 - 49 employees
- Manchester, United Kingdom
VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services.Â
Clients
- Whispering Smith
- ATS Heritage
- Speakr
Industries
Notable Project
VTS Software worked on bespoke software development, building both the front- and backend. They used AngularJS and C# for the Silverlight, native Android, and web app development.
"All the requirements were delivered within the defined scope and timeframe."
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21
- $5,000+
- 10 - 49 employees
- Clayton-le-Woods, United Kingdom
Launched in 2001, HW Technology is an IT managed services company. The agency specializes in IT managed services, cybersecurity, IT strategy consulting, and other IT consulting and SI and has a small team.
Industries
Notable Project
Orca (formerly HW Technology) provides managed IT services for an advisory firm. They manage hybrid hosted environments and network systems, and they help integrate IT systems into the firm's operations.Â
"They're extremely process-focused regardless of the size of the issue."
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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
Notable Project
Software Solved provides app development services for an insurance company. They’ve built a customer portal where users can acquire surveys and recommendations. They use .NET and C# as key technologies.Â
“They’re intelligent and great at what they do.”
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23
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.
Clients
- Mind
- Terrence Higgins Trust
- NCVO
- ACEVO
Industries
Notable Project
Smartdesc helped a nonprofit membership organization transition from an outdated technology environment to Office 365 in order to facilitate remote work. They remain on board to provide ongoing support.
"The most noteworthy thing about working with them is their ability to fix problems."
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24
- $5,000+
- 2 - 9 employees
- Colchester, United Kingdom
Chick Digital, a website development firm, was established in 2015. The small team offers web development, BI & big data consulting & SI, custom software development, and Artificial Intelligence. The company is in Colchester, United Kingdom.
Clients
- Gay Times
- Unitas
- Muntons
- Punch Pubs
Industries
Notable Project
Chick Digital provides ongoing development support for a media company. They help fix bugs, create engaging templates, maintain the client's analytics tools, and work on continuous improvements for the site.
"I am impressed by their ability to transform lengthy and costly processes into simpler and cost-effective ones."
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25
- $50,000+
- 10 - 49 employees
- Leamington Spa, United Kingdom
Black Pepper Software Ltd is a software development firm based in Leamington Spa, United Kingdom with a team of 40 experts. Founded in 1999, they have provided custom software development, IT strategy consulting, and UX/UI design solutions for small firms, midmarket businesses, and large companies. They have experience working in multiple industries, including consumer products & services, financial services, and non-profit.
Clients
- Jaguar Land Rover
- EDF Energy
- Engie
- Specsavers
Industries
Notable Project
Black Pepper Software Ltd. developed a SQL database and a web-based frontend for an internal software. The system is used to manage the investment research process and present financial models.Â
“They're very solutions-oriented and able to see our perspective.”
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26
- Undisclosed
- 50 - 249 employees
- London, United Kingdom
Metia, Inc. is a digital marketing firm with over 200 employees. Founded in 1989, the company is headquartered in Kirkland, Wash. with locations in Texas, London, and Singapore. The team focuses on web development, design, SEO, email marketing, and digital strategy. They primarily work with enterprise clients.Â
Clients
- Microsoft
- Dell
- Intel
- Ordnance Survey
Industries
Notable Project
Metia helped develop a launch strategy for a new product. They provide ongoing digital marketing via social media and PPC campaigns. They also designed materials like e-books, fliers, and infographics.
“I consider them an extension of my marketing team.”
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27
- $5,000+
- 10 - 49 employees
- Sheffield, United Kingdom
PAV I.T. Services is an IT company in Leeds and Burgess Hill, England. Founded in 1988, they have about 33 employees that serve mostly small-business and midmarket clients in the automotive, legal, and financial sectors. Services include IT managed services, cloud consulting, and IT strategy consulting.
Clients
- Stevensdrake solicitors
- XYZ
- La Redoute
- MDA College
Industries
Notable Project
An occupational health company hired PAV I.T. to provide IT support, specifically with information security. The team monitors the network and equipment and takes other consistent measures to ensure security.
"They have a very clear implementation plan and it inspires confidence."
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28
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Beyond Analysis is a marketing and advertising firm that has offices in Wimbledon, United Kingdom and Sydney, Australia. Founded in 2007, Beyond Analysis's team of just over 20 employees has over a decade of experience specializing in big data consulting/SI. The firm also offers artificial intelligence and marketing research services to its clients.  Â
Clients
- DFS
- Travelport
- Mcdonalds
- Fleetcor
Industries
Notable Project
Beyond Analysis helps develop a Net Promoter Score (NPS) dashboard analytics module for a real estate company. The team creates tools that help improve the visualization of different analytics for the client.
"They've been incredibly patient, and they've been able to deal with the complexity of the project."
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29
- $10,000+
- 10 - 49 employees
- Oxford, United Kingdom
Small artificial intelligence development company Zegami Ltd., is located in Oxford, United Kingdom. Established in 2016, the team offers Artificial Intelligence, BI & big data consulting & SI, and custom software development.
Industries
Notable Project
Zegami Ltd. helps an AI technologies company with machine learning services. They've developed a toolset to enhance data sets from their company. They also do consultancy efforts on how to achieve their goals.
"They have the exact mix of knowledge and creativity on their team that we need."
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30
- $50,000+
- 10 - 49 employees
- East Sussex, United Kingdom
Bright Interactive is a software development company Based in East Sussex, United Kingdom, that was founded in 1999. Their team of 32 provides custom software development, web development, UX/UI design.Â
Clients
- Flight Centre
- Amnesty International
- Goway Travel
- Unilever
Industries
Notable Project
Bright Interactive customizes software solutions for a digital asset management firm. The team provides multilingual service to customize the software to various consumer’s needs internationally.
"[T]hey're always willing to go above and beyond to ensure their clients are satisfied."
Most Reviewed Systems Integration Company in United Kingdom
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