Company lists · Data refreshed September 2026
Top 25 Thought leadership consultancies based in the United Kingdom
RevenueBase identified 1,291 thought leadership consultancies headquartered in the United Kingdom as of September 2026 and tracks 6,889 professional contacts across them, including 1,934 with verified work emails. London is the largest hub.
This list covers thought leadership consultancies 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 29, 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 thought leadership consultancies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 244 contacts → | ||||
Indirect evidence “Sheffield Haworth is a global consultancy founded in 1993.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 177 contacts → | ||||
Indirect evidence “Hanover is an award-winning communications consultancy that advises enterprises, institutions, and individuals on rewiring their strategies for long-term success.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 143 contacts → | ||||
Indirect evidence “Organisations and brands turn to us to shape, protect and transform their reputations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 114 contacts → | ||||
Indirect evidence “At Copper, we combine insight, intelligence and creative communications expertise to deliver measurable impact for our clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 74 contacts → | ||||
Partial evidence “Oxford HR is a global leadership consultancy, supporting organisations across the world to find and support exceptional leaders and teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 73 contacts → | ||||
Indirect evidence “We blend sharp strategy with compelling corporate storytelling to help you show up with clarity, confidence, and purpose.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 65 contacts → | ||||
Indirect evidence “Strategic advisors offering creative solutions to complex challenges across corporate profile, positioning, risk and reputation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 52 contacts → | ||||
Strong evidence “FT Longitude creates real thought leadership, for brands and marketers with big ideas.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 46 contacts → | ||||
Indirect evidence “We are a premier Executive Coaching firm dedicated to developing individuals, teams, and organizations worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 45 contacts → | ||||
Indirect evidence “Man Bites Dog is the Growth Department for Intelligent Brands.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 42 contacts → | ||||
Indirect evidence “Understanding that professional and financial services firms are all different, we take an expertly nuanced view, underpinned by decades of experience to be able to work alongside…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 40 contacts → | ||||
Indirect evidence “Global leaders in strategy execution.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 36 contacts → | ||||
Partial evidence “Veredus is a leadership solutions consultancy that gives organisations confidence in their most important decisions – the people they trust to lead, transform, and deliver results…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 34 contacts → | ||||
Indirect evidence “Since 2021, mClub has been helping senior and middle managers become clearer, stronger leaders.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 33 contacts → | ||||
Indirect evidence “Founded in 2009, we’ve helped some of the UK’s best known brands deliver local and national campaigns, manage political and reputational risks, and influence national policy on…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 32 contacts → | ||||
Partial evidence “At Form, we are a small team of practitioners, collaborators & mentors who equip creative leaders to build remarkable organisations through a range of leadership development and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 32 contacts → | ||||
Indirect evidence “Platform01 Consulting is a Strategy and Advisory firm offering bespoke consulting services to visionary leaders and investors worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 31 contacts → | ||||
Indirect evidence “Our task is to help key leaders think about their business, develop and utilize optimal marketing choices, and to create breakthroughs in the market and in their own careers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 28 contacts → | ||||
Indirect evidence “Stork & May provides discreet, tailored and trusted coaching and advice to leaders, supporting them to achieve exceptional outcomes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 26 contacts → | ||||
Partial evidence “At Telos Partners, we know that leadership makes the difference because we’ve been there.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 contacts → | ||||
Indirect evidence “Sterling Global is an international consultancy shaping how stories influence perception, capital, and decision-making.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 contacts → | ||||
Indirect evidence “Streets Consulting Ltd is a business development, marketing and communications consultancy supporting international financial services, technology and fast-growth companies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 21 contacts → | ||||
Indirect evidence “We are a strategy consultancy dedicated to helping our clients overcome their challenges, identify opportunities and develop successful approaches to their most fundamental issues.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 20 contacts → | ||||
Indirect evidence “Wisdom8 is a global boutique coaching firm that accelerates the performance and growth of CEOs, Boards, and Top Teams across multinational organisations and fast growth emerging…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Partial evidence “True Partnership is a leadership and performance consultancy, focused on supporting leaders, traders, and investment professionals to perform at their best.” Source: RevenueBase Database · checked Sep 29, 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: thought leadership consultancies. 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 thought leadership consultancies.
- Partial evidence
- Its own public description names part of thought leadership consultancies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name thought leadership consultancies. 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 1,291 thought leadership consultancies based in the United Kingdom
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Thought leadership consultancies based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 1,291 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 thought leadership consultancies, 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 “thought leadership consultancies”. 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 thought leadership consultancies), 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 thought leadership consultancies, 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, 1,934 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 29, 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.
Thought leadership consultancies by metro
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 thought leadership consultancies, 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 thought leadership consultancies are there based in the United Kingdom?
RevenueBase identified 1,291 thought leadership consultancies 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?
Sheffield Haworth, headquartered in London, tops this list with the largest team on record.
Which city has the most thought leadership consultancies?
London leads with 563 headquartered companies, followed by Manchester (22) and Bristol (18).
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 1,934 verified decision-maker contacts tracked across these 1,291 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 29, 2026.
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Thought leadership consultancies by geography
- Thought leadership consultancies based in Brisbane, Australia
- Thought leadership consultancies based in Melbourne, Australia
- Thought leadership consultancies based in Perth, Australia
- Thought leadership consultancies based in Sydney, Australia
- Thought leadership consultancies based in Sao Paulo, Brazil
- Thought leadership consultancies based in Calgary, Canada
- Thought leadership consultancies based in Montreal, Canada
- Thought leadership consultancies based in Ottawa, Canada
- Thought leadership consultancies based in Toronto, Canada
- Thought leadership consultancies based in Vancouver, Canada
- Thought leadership consultancies based in Helsinki, Finland
- Thought leadership consultancies based in Paris, France
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.
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