Company lists · Data refreshed September 2026

Top 24 Implementation service providers based in the United Kingdom

RevenueBase identified 775 implementation service providers headquartered in the United Kingdom as of September 2026 and tracks 12,891 professional contacts across them, including 4,020 with verified work emails. London is the largest hub.

This list covers implementation service providers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
775Companies
12,891Contacts tracked
4,020Verified emails
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The 24 largest implementation service providers based in the United Kingdom

Ranked by team size
Top 24 of 775 implementation service providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to implementation service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,0001,417 contacts →

Indirect evidence

“K2 Partnering Solutions is a global provider of unique end-to-end consultative solutions in the enterprise applications, AI, and cloud space.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceAbingdon, United KingdomHQ checked Sep 20, 2026501-1,0001,417 contacts →

Indirect evidence

“PMC combines consulting with expert software engineering and 24x7x365 managed services to deliver high-quality technology services and solutions across retail, D2C, and broader…”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 20, 2026501-1,000408 contacts →

Indirect evidence

“Zenitech creates technology to transform businesses.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceManchester, United KingdomHQ checked Sep 20, 2026501-1,000370 contacts →

Indirect evidence

“EPI-USE Labs is a global software solutions and managed services company.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceBirmingham, United KingdomHQ checked Sep 20, 2026501-1,000307 contacts →

Indirect evidence

“Kagool is a global technology consultancy with over 20 years of experience helping enterprise organisations modernise SAP, data and AI platforms.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 20, 20261,001-5,000254 contacts →

Indirect evidence

“We are experts at delivering innovative software, tailored solutions, and quality services across some of the world's most trusted technology ecosystems, including Atlassian, AWS…”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceLondon, United KingdomHQ checked Sep 20, 2026201-500245 contacts →

Indirect evidence

“Percipere is a niche global consultancy, partnering companies in their evolution towards greater operational efficiency and profitability.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceSlough, United KingdomHQ checked Sep 20, 202651-200241 contacts →

Indirect evidence

“At Sharp Brains, we are your premier IT Services & Solutions Provider based in the UK, dedicated to meeting your business's unique needs with tailor-made solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceSheffield, United KingdomHQ checked Sep 20, 2026201-500234 contacts →

Indirect evidence

“For organisations facing the compounding threats of ageing assets, a retiring workforce, and evolving cyber attacks, the status quo is no longer an option.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-200193 contacts →

Indirect evidence

“eAppSys is a systems integrator that is focused exclusively on supporting the core enterprise application systems within Oracle On-Premise and Cloud Applications.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceGerrards Cross, United KingdomHQ checked Sep 20, 2026201-500190 contacts →

Indirect evidence

“Platned helps organisations simplify complex change and get more value from their enterprise technology investments.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceFarnborough, United KingdomHQ checked Sep 20, 2026501-1,000177 contacts →

Indirect evidence

“In 2009 SoftBrands was bought by Infor and is now a part of the Infor Hospitality Suite.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-200160 contacts →

Indirect evidence

“InterEx Group is becoming the strategic partner of choice for organizations undergoing digital, business, and technology transformation.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceStaines-upon-thames, United KingdomHQ checked Sep 20, 2026201-500125 contacts →

Indirect evidence

“Technology consultancy providing expertise to complex IT programs.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-200117 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceManchester, United KingdomHQ checked Sep 20, 202651-200102 contacts →

Indirect evidence

“Welcome to Phase 3 - providing comprehensive solutions in digital transformation across HR, Payroll and Finance.”

Source: RevenueBase Database · checked Sep 20, 2026
17Strong evidenceUxbridge, United KingdomHQ checked Sep 20, 202651-20094 contacts →

Strong evidence

“Adroit People Ltd is a top-notch technology firm focused to deliver Staffing Services, IT Consulting, Implementation and Support Services in UK, Europe, USA, Asia-Pacific and…”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceNorthfleet, United KingdomHQ checked Sep 20, 202651-20078 contacts →

Indirect evidence

“We deliver business transformation through technology-enabled change.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceReading, United KingdomHQ checked Sep 20, 202611-5075 contacts →

Indirect evidence

“Headquartered at Reading, Berkshire in United Kingdom, Bit Wave Solutions enables global businesses to build their future by directing clients’ innovation & customization agenda.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceRegents Park, United KingdomHQ checked Sep 20, 202651-20072 contacts →

Indirect evidence

“Patika is a technology solutions and consultancy company that is passionate about helping enterprise customers to discover and apply the true value of technology to their business…”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceEast Kilbride, United KingdomHQ checked Sep 20, 202651-20064 contacts →

Indirect evidence

“At Eureka Solutions, we specialise in implementing powerful cloud-based systems that have the potential to revolutionise your business.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceRichmond, United KingdomHQ checked Sep 20, 202651-20056 contacts →

Indirect evidence

“At Estafet, we don’t just optimize processes - we revolutionize how enterprises operate.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceBrentford, United KingdomHQ checked Sep 20, 202651-20055 contacts →

Indirect evidence

“Working with distribution, manufacturing, and e-commerce organisations, Balloon One implements software solutions that fit their businesses perfectly and which help streamline…”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 20, 202651-20055 contacts →

Indirect evidence

“Albida’s core focus is business transformation.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 24 of 775 implementation service providers based in the United Kingdom

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Implementation service providers based in the United Kingdom at a glance

As of Sep 20, 2026
31.2%Verified-email coverage
16.6Average contacts per company
1-10Median size (employees)
37.2%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
435
11-50
229
51-200
80
201-500
14
501-1,000
7
1,001-5,000
6
5,001-10,000
1
10001+
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 775 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among implementation service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “implementation service providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names implementation service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among implementation service providers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 4,020 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Implementation service providers by metro

  • Implementation service providers in London288

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names implementation service providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many implementation service providers are there based in the United Kingdom?

RevenueBase identified 775 implementation service providers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

K2 Partnering Solutions, headquartered in London, tops this list with the largest team on record.

Which city has the most implementation service providers?

London leads with 288 headquartered companies, followed by Manchester (19) and Birmingham (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,020 verified decision-maker contacts tracked across these 775 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.