Company lists · Data refreshed September 2026
Top 11 Organizational development consulting firms based in Winchester, United Kingdom
RevenueBase identified 31 organizational development consulting firms headquartered in Winchester, United Kingdom as of September 2026 and tracks 74 professional contacts across them, including 23 with verified work emails. Across the United Kingdom, London is the largest hub for this category (3,969 companies); Winchester has 31.
This list covers organizational development consulting firms headquartered in Winchester, 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 5, 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 11 largest organizational development consulting firms based in Winchester, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11 contacts → | ||||
Indirect evidence “Proaction HR deliver positive change across all aspects of your organisation related to your most precious asset, your people.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 9 contacts → | ||||
Indirect evidence “We are an award-winning consultancy, known for delivering tailored business focused coaching and mentoring programmes for executives, senior leaders, their teams and their…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 8 contacts → | ||||
Indirect evidence “World class performance requires expertise to be perfected to a level of mastery, the hard-won learning needed to excel in any given field.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3 contacts → | ||||
Indirect evidence “We believe everyone deserves to be led well.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3 contacts → | ||||
Indirect evidence “You might call it branding, design, strategy or engagement, we call it being Well Thought.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2 contacts → | ||||
Indirect evidence “Transformation isn’t just about technology or teams-it’s about rethinking what’s possible.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1 contacts → | ||||
Indirect evidence “I help Chief Executives and Chief People Officers align their workplace culture to their business strategy in ways that accelerate success.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1 contacts → | ||||
Indirect evidence “We provide business and HR consultancy services to SMEs in Hampshire and the South Coast of England.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1 contacts → | ||||
Partial evidence “Citrus Coaching partners with organisations and senior leaders to accelerate leadership development, executive performance, and culture change through evidence-based coaching…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1 contacts → | ||||
Indirect evidence “Welcome to Jumpstone International.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1 contacts → | ||||
Partial evidence “SYSCORP LIMITED is a management consulting company based out of 31 FIRST FLOOR PINNACLE HOUSE CROSS LANCES ROAD, HOUNSLOW, United Kingdom.” Source: RevenueBase Database · checked Sep 5, 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: organizational development 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 organizational development consulting firms.
- Partial evidence
- Its own public description names part of organizational development consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name organizational development 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 11 of 31 organizational development consulting firms based in Winchester, United Kingdom
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Organizational development consulting firms based in Winchester, United Kingdom at a glance
As of Sep 5, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for Winchester, so it is reported there. Company counts and contact totals on this page are exact for Winchester, over 31 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 organizational development 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 Winchester, United Kingdom whose own description of what they do matches “organizational development 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 organizational development 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 organizational development consulting firms, and records with no verified work email. Companies headquartered outside Winchester 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, 23 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 5, 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.
Organizational development consulting firms by metro in the United Kingdom
- Organizational development consulting firms in London3969
- Organizational development consulting firms in Manchester234
- Organizational development consulting firms in Bristol168
- Organizational development consulting firms in Edinburgh146
- Organizational development consulting firms in Birmingham131
- Organizational development consulting firms in Leeds116
- Organizational development consulting firms in Glasgow114
- Organizational development consulting firms in Cambridge105
- Organizational development consulting firms in Oxford95
- Organizational development consulting firms in Brighton78
- Organizational development consulting firms in Reading67
- Organizational development consulting firms in Nottingham63
- Organizational development consulting firms in Liverpool54
- Organizational development consulting firms in Bath53
- Organizational development consulting firms in York52
- Organizational development consulting firms in Sheffield51
- Organizational development consulting firms in Milton Keynes50
- Organizational development consulting firms in Cardiff48
- Organizational development consulting firms in Belfast47
- Organizational development consulting firms in Derby45
- Organizational development consulting firms in Exeter43
- Organizational development consulting firms in Newcastle Upon Tyne41
- Organizational development consulting firms in Guildford40
- Organizational development consulting firms in Northampton39
- Organizational development consulting firms in Coventry38
- Organizational development consulting firms in Leicester38
- Organizational development consulting firms in Cheltenham37
- Organizational development consulting firms in Chester36
- Organizational development consulting firms in Southampton34
- Organizational development consulting firms in Bournemouth33
- Organizational development consulting firms in Harrogate32
- Organizational development consulting firms in Aberdeen30
- Organizational development consulting firms in Norwich30
- Organizational development consulting firms in Uk28
- Organizational development consulting firms in Portsmouth26
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 organizational development 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 organizational development consulting firms are there based in Winchester, United Kingdom?
RevenueBase identified 31 organizational development consulting firms headquartered in Winchester, 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?
Proaction HR, headquartered in Winchester, tops this list with the largest team on record.
Which city in the United Kingdom has the most organizational development consulting firms?
London leads the United Kingdom with 3,969 headquartered companies, followed by Manchester (234) and Bristol (168). Winchester has 31.
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 23 verified decision-maker contacts tracked across these 31 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 5, 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.
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