Company lists · Data refreshed September 2026
Top 25 Big IT consulting firms based in Bristol, United Kingdom
RevenueBase identified 71 big IT consulting firms headquartered in Bristol, United Kingdom as of September 2026 and tracks 916 professional contacts across them, including 452 with verified work emails. Across the United Kingdom, London is the largest hub for this category (1,932 companies); Bristol has 71.
This list covers big IT consulting firms headquartered in Bristol, 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 23, 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.
The 25 largest big IT consulting firms based in Bristol, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 348 contacts → | ||||
Indirect evidence “Our mission is to help our clients reach their full potential, by applying our common sense, business experience and passion for technology.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 2 | 115 contacts → | ||||
Indirect evidence “We are RedRock, a trusted delivery partner for digital, data and technology transformation.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 3 | 69 contacts → | ||||
Indirect evidence “TRIA is an organisation that accelerates digital transformation, unlocks technology potential, and gives your business a competitive advantage through end-to-end strategic…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 4 | 46 contacts → | ||||
Partial evidence “Mosaic Island simplifies digital business transformation for high-calibre clients in the UK and delivers straightforward solutions to complex IT challenges, making transformation…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 5 | 25 contacts → | ||||
Indirect evidence “New Icon is a different kind of digital transformation partner, working closely with ambitious businesses to innovate smarter and faster in a real-time world.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 6 | 23 contacts → | ||||
Indirect evidence “G7 is a trusted and experienced expert in the implementation and support of business systems.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 7 | 18 contacts → | ||||
Indirect evidence “In 2009, a group of trainers/consultants got together because they wanted to get involved in larger development projects again - that was the start of Rock Solid Knowledge.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 8 | 15 contacts → | ||||
Partial evidence “CLARIUS is a specialist consulting and workforce services organization delivering tailored Technology & Business Transformation solutions.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Partial evidence “Premieredge helps companies benefit from the best IT solutions for them.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “Navos are specialists in technology solutions, founded by the ex-CIO of Hargreaves Lansdown David Davies.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Partial evidence “IT is the core of your business: if your computers crash, if your network goes down, if you can’t access the files you need; these are critical to the running of your business.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Partial evidence “Providing BEST Quality IT Services” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Indirect evidence “IP-People, Founded on Relationships.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Indirect evidence “With a track record of success Changewell harnesses a collegiate family of highly qualified consultants with an average of over 15 years experience, working closely with clients…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Indirect evidence “We help ambitious businesses get more from their technology - enabling them to work smarter, stay secure, and grow with confidence.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Partial evidence “We’re BN-IS – a team of experienced IT specialists who design and deliver clear, reliable solutions that solve real problems and help your business grow.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “We are a computer support company based near Bristol.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Partial evidence “Simple solutions.for a Complex World All businesses these days rely on IT Systems in some form or another, from accounting systems to Email and Mobile Working.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “About Digital DNA - Zero to One HR Every business hits a point where what got them here won't get them there.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Indirect evidence “We have been a leading provider of technology solutions in Africa and the United Kingdom for almost 15 years.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “DRAS Consulting Ltd.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Entuplet is a consultancy offering people-focused IT strategy, mentoring and help.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Partial evidence “We help Solve IT Challenges with over 20 years of experience implementing and supporting a range of technologies for clients in a variety of industries and sectors” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Allen Building Service” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “JAMES PERROTT LTD is a management consulting company based out of 11 Lime Rd, Bristol, United Kingdom.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: big IT consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names big IT consulting firms.
- Partial evidence
- Its own public description names part of big IT consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name big IT consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 71 big IT consulting firms based in Bristol, United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 452 reachable decision-makers.
Free signup · no credit card
Big IT consulting firms based in Bristol, United Kingdom at a glance
As of Sep 23, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for Bristol, so it is reported there. Company counts and contact totals on this page are exact for Bristol, over 71 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 big IT consulting firms, 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 Bristol, United Kingdom whose own description of what they do matches “big IT consulting firms”. 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 big IT consulting firms), 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 big IT consulting firms, and records with no verified work email. Companies headquartered outside Bristol 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, 452 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 23, 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.
Big IT consulting firms by metro in the United Kingdom
- Big IT consulting firms in London1932
- Big IT consulting firms in Manchester111
- Big IT consulting firms in Birmingham79
- Big IT consulting firms in Reading61
- Big IT consulting firms in Leeds57
- Big IT consulting firms in Glasgow50
- Big IT consulting firms in Edinburgh48
- Big IT consulting firms in Milton Keynes44
- Big IT consulting firms in Sheffield39
- Big IT consulting firms in Coventry35
- Big IT consulting firms in Cambridge33
- Big IT consulting firms in Liverpool30
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 big IT consulting firms, 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 big IT consulting firms are there based in Bristol, United Kingdom?
RevenueBase identified 71 big IT consulting firms headquartered in Bristol, 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?
Delaware United Kingdom & Ireland, headquartered in Bristol, tops this list with the largest team on record.
Which city in the United Kingdom has the most big IT consulting firms?
London leads the United Kingdom with 1,932 headquartered companies, followed by Manchester (111) and Birmingham (79). Bristol has 71.
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 452 verified decision-maker contacts tracked across these 71 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 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 71 big IT consulting firms based in Bristol, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Big IT consulting firms by geography
- Big IT consulting firms based in the United States
- Big IT consulting firms based in the United Kingdom
- Big IT consulting firms based in Brazil
- Big IT consulting firms based in France
- Big IT consulting firms based in Germany
- Big IT consulting firms based in Canada
- Big IT consulting firms based in Australia
- Big IT consulting firms based in Italy
- Big IT consulting firms based in Spain
- Big IT consulting firms based in Mexico
- Big IT consulting firms based in South Africa
- Big IT consulting firms based in the Netherlands
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Big IT consulting firms based in the United States
- Big IT consulting firms based in the United Kingdom
- Big IT consulting firms based in Brazil
- Big IT consulting firms based in France
- Big IT consulting firms based in Germany
- Big IT consulting firms based in Canada