Company lists · Data refreshed November 2026

Top 25 Complaint resolution services worldwide

RevenueBase identified 508 company matches for complaint resolution services worldwide as of November 2026 and tracks 8,802 professional contacts across them, including 3,279 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for complaint resolution services worldwide, 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. Country and city lists for complaint resolution services follow the table.

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
508Companies
8,802Contacts tracked
3,279Verified emails
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The 25 largest complaint resolution services worldwide

Ranked by team size
Top 25 of 508 company matches for complaint resolution services worldwide, 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 matchMelbourne, AustraliaHQ recorded Nov 6, 20261,001-5,0001,158 contacts →

Exact match

“The Australian Financial Complaints Authority (AFCA) is the one-stop-shop for consumers and small businesses with a complaint about banking, credit, insurance, superannuation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchDocklands, AustraliaHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“The Telecommunications Industry Ombudsman provides a free and independent external dispute resolution service for residential consumers and small businesses who have an unresolved…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 202651-200169 contacts →

Exact match

“For more than 30 years, Judicate West has been one of California’s leading providers of private dispute resolution services with a distinguished roster of proven neutrals…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202651-200149 contacts →

Exact match

“Klachten te allen tijde voorkomen, soms lukt dat niet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“Heb je een klacht over een financieel product of dienst, zoals een bankrekening, verzekering, hypotheek, lening of (klein)zakelijk krediet?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchStockholm, SwedenHQ recorded Nov 6, 202611-50101 contacts →

Exact match

“The National Board for Consumer Disputes (Allmänna reklamationsnämnden, ARN) is a public authority that functions roughly like a court.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“OBSI is Canada’s trusted independent dispute resolution service for consumers and small businesses with a complaint they can't resolve with their banking services or investment…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWellington, New ZealandHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“FairWay Resolution Limited is an independent, employee-owned company providing specialist conflict management and dispute resolution services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAuckland, New ZealandHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“The purpose of the Health and Disability Commissioner is to promote and protect the rights of consumers as set out in the Code of Health and Disability Services Consumers' Rights.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“The Energy & Water Ombudsman NSW (EWON) is an industry-based Ombudsman scheme that provides NSW energy and water customers with independent, free, informal dispute resolution…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“We are Canada’s national and independent organization dedicated to resolving customer complaints about telephone, internet and television services, fairly and free of charge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Finansklagenemnda (FinKN) er et bransjebasert klageorgan som behandler klagesaker mot banker, forsikringsselskap, inkassoselskap, og andre finansselskap.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchLelystad, NetherlandsHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“Quasir Klachtenbemiddeling detacheert onafhankelijke klachtenbemiddelaars bij zorginstellingen door heel Nederland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDublin, IrelandHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“The Financial Services and Pensions Ombudsman is an independent, impartial, fair and free service that helps resolve complaints from consumers, including small businesses and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchn/a11-5049 contacts →

Exact match

“The newly-formed National Financial Ombud Scheme South Africa NPC (NFO) is a single, one-stop, all-in-one dispute resolution service made up of the four (4) former existing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPretoria, South AfricaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“The vision of the FAIS Ombud is to be an independent, effective and trusted alternative dispute resolution office for complaints arising from the provision of financial services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCaba, IndiaHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“En Resguarda ayudamos a las organizaciones a gestionar denuncias internas de forma profesional, confidencial y estratégica, para prevenir riesgos y tomar mejores decisiones.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBarcelona, SpainHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Perfil oficial del Síndic de Greuges de Catalunya, que atén les queixes i consultes sobre les administracions i les empreses que presten serveis públics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWellington, New ZealandHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Utilities Disputes sorts complaints about electricity, gas, water, and broadband installation on shared property.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“The Energy and Water Ombudsman Queensland (EWOQ) is a free, fair and independent dispute resolution service if you are unable to resolve a complaint with your electricity, gas or…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGorinchem, NetherlandsHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Het CBKZ staat voor een deskundige en onafhankelijke afwikkeling van klachten binnen zorgorganisaties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSt-lambert, QC, CanadaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Le Cabinet RH est une firme spécialisée en prévention, gestion et règlement des différends en milieu de travail.”

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

Showing 25 of 508 complaint resolution services worldwide

See the full list, filter by size, metro and specialty, and access 3,279 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Complaint resolution services worldwide at a glance

As of Nov 6, 2026
37.3%Verified-email coverage
17.3Average contacts per company
1-10Median size (employees)
4.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
319
11-50
110
51-200
44
201-500
6
501-1,000
4
1,001-5,000
5
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for complaint resolution services are linked below.
What qualifies
Company records worldwide 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. 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 3,279 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.

Complaint resolution services by location

5 lists · largest first

Every Complaint resolution services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 worldwide?

RevenueBase identified 508 company matches for complaint resolution services worldwide 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 country has the most complaint resolution services?

The United Kingdom leads with 80 companies, followed by the United States (73) and Canada (33). Every complaint resolution services list by country and city is linked on this page.

Which city has the most complaint resolution services?

London leads with 24 company records, followed by Toronto (9) and Brussels (8).

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 3,279 professional contacts with verified work emails tracked across these 508 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.