Company lists · Data refreshed September 2026

Top 22 Organizational development consulting firms based in Manchester, United Kingdom

RevenueBase identified 234 organizational development consulting firms headquartered in Manchester, United Kingdom as of September 2026 and tracks 1,059 professional contacts across them, including 345 with verified work emails. Across the United Kingdom, London is the largest hub for this category (3,969 companies); Manchester follows with 234.

This list covers organizational development consulting firms headquartered in Manchester, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
234Companies
1,059Contacts tracked
345Verified emails
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The 22 largest organizational development consulting firms based in Manchester, United Kingdom

Ranked by team size
Top 22 of 234 organizational development consulting firms based in Manchester, United Kingdom, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to organizational development consulting firms: 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 evidenceManchester, United KingdomHQ checked Sep 5, 2026501-1,000376 contacts →

Indirect evidence

“Grayce partners with some of the world’s most ambitious organisations to help deliver change and transformation.”

Source: RevenueBase Database · checked Sep 5, 2026
2Indirect evidenceManchester, United KingdomHQ checked Sep 5, 202651-20050 contacts →

Indirect evidence

“Collinson Grant helps clients throughout the world to improve efficiency and profitability.”

Source: RevenueBase Database · checked Sep 5, 2026
3Indirect evidenceManchester, United KingdomHQ checked Sep 5, 202611-5040 contacts →

Indirect evidence

“Warren Partners is a leading purpose driven, employee-owned search firm, devoted to building and supporting diverse boards and executive leadership teams internationally.”

Source: RevenueBase Database · checked Sep 5, 2026
4Partial evidenceManchester, United KingdomHQ checked Sep 5, 202611-5038 contacts →

Partial evidence

“Partners in Change Consulting is here to help you and your organisation get change done.”

Source: RevenueBase Database · checked Sep 5, 2026
5Partial evidenceManchester, United KingdomHQ checked Sep 5, 202611-5015 contacts →

Partial evidence

“The Oakridge Centre, part of the First Ascent Group, designs and delivers bespoke training and consulting solutions that have a lasting impact on individual, team and…”

Source: RevenueBase Database · checked Sep 5, 2026
6Partial evidenceManchester, United KingdomHQ checked Sep 5, 202611-5013 contacts →

Partial evidence

“Team Effectiveness | One-to-One 9D Coaching | Leadership Development | Skill Masterclasses | Mediation”

Source: RevenueBase Database · checked Sep 5, 2026
7Indirect evidenceManchester, United KingdomHQ checked Sep 5, 202611-509 contacts →

Indirect evidence

“We solve critical issues facing our clients, both large and small.”

Source: RevenueBase Database · checked Sep 5, 2026
8Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-109 contacts →

Indirect evidence

“We enable work communities to be places where people can thrive.”

Source: RevenueBase Database · checked Sep 5, 2026
9Indirect evidenceManchester, United KingdomHQ checked Sep 5, 202611-508 contacts →

Indirect evidence

“Over the last decade, we’ve built up a global reputation for working side-by-side with our clients to identify brilliance.”

Source: RevenueBase Database · checked Sep 5, 2026
10Indirect evidenceManchester, United KingdomHQ checked Sep 5, 202611-507 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 5, 2026
11Partial evidenceManchester, United KingdomHQ checked Sep 5, 20261-107 contacts →

Partial evidence

“Big Growth Group is a holistic growth consulting company.”

Source: RevenueBase Database · checked Sep 5, 2026
12Partial evidenceManchester, United KingdomHQ checked Sep 5, 20261-106 contacts →

Partial evidence

“Consulting Services Helping you generate better results and deliver against the challenges or opportunities facing your organisation, by working with you to define your strategic…”

Source: RevenueBase Database · checked Sep 5, 2026
13Indirect evidenceManchester, United KingdomHQ checked Sep 5, 202611-506 contacts →

Indirect evidence

“We are a management and leadership consultancy who are challenger brand to the Big 4 consultancies.”

Source: RevenueBase Database · checked Sep 5, 2026
14Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-106 contacts →

Indirect evidence

“Welcome to Prospect.”

Source: RevenueBase Database · checked Sep 5, 2026
15Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-106 contacts →

Indirect evidence

“A Manchester-based Organisational Design consultancy partnering with ambitious start-up founders, leadership teams, and our investment partners to realise their scale-up ambitions.”

Source: RevenueBase Database · checked Sep 5, 2026
16Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-105 contacts →

Indirect evidence

“All fields progress and evolve.”

Source: RevenueBase Database · checked Sep 5, 2026
17Partial evidenceManchester, United KingdomHQ checked Sep 5, 20261-104 contacts →

Partial evidence

“Here at Definition Consulting we’ve taken integrated marketing to a new level.”

Source: RevenueBase Database · checked Sep 5, 2026
18Partial evidenceManchester, United KingdomHQ checked Sep 5, 20261-104 contacts →

Partial evidence

“Insightful management consulting - specialists in complex decision support, modelling, evaluation, engagement.”

Source: RevenueBase Database · checked Sep 5, 2026
19Partial evidenceManchester, United KingdomHQ checked Sep 5, 20261-104 contacts →

Partial evidence

“200 Hospitality are leaders in the field of strategy and development that helps passionate entrepreneurs drive growth, nurture talent and foster vitality.”

Source: RevenueBase Database · checked Sep 5, 2026
20Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-104 contacts →

Indirect evidence

“We support people and organisations to grow, improve and develop.”

Source: RevenueBase Database · checked Sep 5, 2026
21Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-104 contacts →

Indirect evidence

“Team building is evolving.”

Source: RevenueBase Database · checked Sep 5, 2026
22Indirect evidenceManchester, United KingdomHQ checked Sep 5, 20261-103 contacts →

Indirect evidence

“We help you to have Leaders who are more confident, capable and effective, quickly when you promote them or when they join.”

Source: RevenueBase Database · checked Sep 5, 2026

Showing 22 of 234 organizational development consulting firms based in Manchester, United Kingdom

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Organizational development consulting firms based in Manchester, United Kingdom at a glance

As of Sep 5, 2026
32.6%Verified-email coverage
4.5Average contacts per company
1-10Median size (employees)
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
196
11-50
29
51-200
5
201-500
1
501-1,000
1

Email recency for this list is measured across the whole United Kingdom list rather than for Manchester, so it is reported there. Company counts and contact totals on this page are exact for Manchester, over 234 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 Manchester, 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 Manchester 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, 345 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

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 Manchester, United Kingdom?

RevenueBase identified 234 organizational development consulting firms headquartered in Manchester, 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?

Grayce, headquartered in Manchester, 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).

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 345 verified decision-maker contacts tracked across these 234 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.