Company lists · Data refreshed November 2026

Top 22 Complaint resolution services based in the United Kingdom

RevenueBase identified 80 company matches for complaint resolution services associated with the United Kingdom as of November 2026 and tracks 3,622 professional contacts across them, including 1,404 with verified work emails. London is the largest hub.

This list covers company matches for complaint resolution services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
80Companies
3,622Contacts tracked
1,404Verified emails
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The 22 largest complaint resolution services based in the United Kingdom

Ranked by team size
Top 22 of 80 company matches for complaint resolution services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0002,481 contacts →

Exact match

“We’ve been sorting out complaints between financial businesses and their customers since we were set up by Parliament in 2001.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBirmingham, United KingdomHQ recorded Nov 6, 2026201-500204 contacts →

Exact match

“The Legal Ombudsman (LeO) resolves complaints about providers of legal services that haven’t been resolved to customers’ satisfaction – as quickly and informally as possible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSalisbury, United KingdomHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“The Property Ombudsman provides an impartial, independent Ombudsman service for unresolved disputes between consumers and property businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchChorley, United KingdomHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“HIES supports home energy installers to strengthen their business, meet industry expectations, and give homeowners added confidence when choosing them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Resolver is the UK’s largest independent service that helps consumers raise and resolve issues with organisations for free.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWarrington, United KingdomHQ recorded Nov 6, 2026201-50021 contacts →

Exact match

“Communications Ombudsman (formerly Ombudsman Services) provides a free and easy to use dispute resolution service for consumers in the communications sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHemel Hempstead, United KingdomHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“The New Homes Ombudsman Service exists to help customers resolve issues with their new homes, which the registered developer has been unable or unwilling to fix.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchExeter, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“At Mediation First we think people deserve a better way of settling arguments than battling it out in the courts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBalcombe, United KingdomHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“B3sixty specialises in independent workplace investigations, investigative review, dispute resolution and related training and support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChorley, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Qure Group is the leading UK provider of resolution services for the home improvement and renewable energy markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGuildford, United KingdomHQ recorded Nov 6, 20261-108 contacts →

Exact match

“The Ombudsman Association is a professional association for ombudsman and complaint handlers, their staff and others interested in the work of independent complaint resolution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“The BBRS is a non-profit organisation set up to resolve disputes between eligible small and medium sized businesses and participating banks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchStevenage, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“The Furniture & Home Improvement Ombudsman (FHIO) is part of The Ombuds Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Welcome to Focus Mediation's Company page.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMacclesfield, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“ch & i associates offers fast, independent complaint, conduct, disciplinary & grievance investigations and reviews.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“At the core of Glinsk’s offerings lies mediation, a dynamic alternative dispute resolution method emphasising impartiality and proactive conflict resolution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBirmingham, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“At Carmichael Mediation Services Ltd, empowers employers and employees to identify pragmatic solutions to workplace conflicts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDorset, United KingdomHQ recorded Nov 6, 202651-2001 contacts →

Exact match

“Finding the right resolution starts with finding the right mediator Mediation is an effective way of resolving a dispute in a calm, respectful, constructive and co-operative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Experts in Mediating Conflicts and Coaching All About People offer dispute resolution services for both individuals and businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“At HSCAMP, we set the standard for complaint resolution in healthcare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“At ER Expert, we have a wide understanding of dispute resolution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLytham St Annes, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Professional dispute resolution services for companies, public bodies and individuals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 22 of 80 complaint resolution services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,404 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Complaint resolution services based in the United Kingdom at a glance

As of Nov 6, 2026
38.8%Verified-email coverage
45.3Average contacts per company
1-10Median size (employees)
30.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
12
51-200
9
201-500
2
1,001-5,000
2
10001+
1

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 80 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “complaint resolution services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,404 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “complaint resolution services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many complaint resolution services are there based in the United Kingdom?

RevenueBase identified 80 company matches for complaint resolution services associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Financial Ombudsman Service tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most complaint resolution services?

London leads with 24 company records, followed by Stevenage (4) and Birmingham (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,404 professional contacts with verified work emails tracked across these 80 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.