Company lists · Data refreshed November 2026

Top 25 Quality assurance service providers worldwide

Name: Quality assurance service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,377 companies tracked

RevenueBase identified 6,377 company matches for quality assurance service providers worldwide as of November 2026 and tracks 142,210 professional contacts across them, including 32,098 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for quality assurance service providers 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 quality assurance service providers 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

6,377Companies

142,210Contacts tracked

32,098Verified emails

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The 25 largest quality assurance service providers worldwide

Ranked by team size

Top 25 of 6,377 company matches for quality assurance service providers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Intertek	Exact match	London, NY, United KingdomHQ recorded Nov 6, 2026	10001+	24,944 contacts →
	Exact match “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Qualitykiosk Technologies	Exact match	Navi Mumbai, CA, IndiaHQ recorded Nov 6, 2026	1,001-5,000	4,500 contacts →
	Exact match “QualityKiosk Technologies is one of the world's largest independent Quality Engineering (QE) providers and digital transformation enablers, helping companies build and manage…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	TRIGO	Exact match	Nanterre, FranceHQ recorded Nov 6, 2026	10001+	4,012 contacts →
	Exact match “QUALITY ALONG THE SUPPLY CHAIN Founded in 1997, TRIGO Group is a multinational company providing quality solutions for the automotive, aerospace and other transport industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Bureau Veritas Consumer Products Services	Exact match	Kowloon, NY, Hong KongHQ recorded Nov 6, 2026	10001+	3,981 contacts →
	Exact match “The Bureau Veritas Consumer Products Services division is a world-leading concept-to-consumer quality assurance and compliance services provider to manufacturers, distributors and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Formel D Group	Exact match	Cologne, GermanyHQ recorded Nov 6, 2026	10001+	3,044 contacts →
	Exact match “Formel D is a global service provider for testing, inspection & certification.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	ACE	Exact match	CanadaHQ recorded Nov 6, 2026	n/a	1,989 contacts →
	Exact match “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Cigniti Technologies	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,749 contacts →
	Exact match “Cigniti Technologies Limited is the world’s leading AI & IP-led Digital Assurance and Digital Engineering services company that helps global companies across industries…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	AQM Technologies	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,744 contacts →
	Exact match “AQM Technologies Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Planit	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	1,671 contacts →
	Exact match “At Planit, we provide businesses with the vision, precision and independence they need to improve the quality of their software and the way they deliver it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Stratosphere Quality	Exact match	Fishers, IN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,663 contacts →
	Exact match “Stratosphere Quality, founded in 2009, is a major global provider of quality assurance and outsourcing solutions, such as sorting and inspection services, to manufacturers of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Applause	Exact match	Framingham, MA, United StatesHQ recorded Nov 6, 2026	201-500	1,463 contacts →
	Exact match “Applause is the global leader in managed software testing services and digital quality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Matrix Business Services India Private Limited	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,276 contacts →
	Exact match “Matrix is a passionate team of professionals providing People, Product, and Process assurance services for enterprises across different industry segments for better compliance and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	RGBSI	Exact match	Troy, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,125 contacts →
	Exact match “At RGBSI, we deliver engineering and quality solutions that close the gap between strategy and execution for global organizations of all sizes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	A1qa	Exact match	Decatur, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,071 contacts →
	Exact match “a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	SHIFT	Exact match	Minato, JapanHQ recorded Nov 6, 2026	10001+	915 contacts →
	Exact match “SHIFT specializes in creating services that sell and is fully committed to supporting our clients’ business growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Qasource	Exact match	Pleasanton, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	885 contacts →
	Exact match “QASource is a leading provider of outsourced software quality engineering services, offering scalable and customizable QA solutions to clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Qualizeal	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	803 contacts →
	Exact match “QualiZeal is the world’s fastest-growing independent, AI-native Digital Quality Engineering services provider, redefining how organizations achieve quality at scale through our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Exact X Forestall Group	Exact match	Częstochowa, PolandHQ recorded Nov 6, 2026	5,001-10,000	778 contacts →
	Exact match “Exact x Forestall is a leading global provider of quality control solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	MTP Métodos Y Tecnología	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	501-1,000	732 contacts →
	Exact match “Consultora especializada en servicios de Aseguramiento de la Calidad del Software dirigidos a controlar y mejorar los costes, plazos y calidad del ciclo de vida de los productos…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	TÜV Rheinland Greater China	Exact match	Shanghai, ChinaHQ recorded Nov 6, 2026	5,001-10,000	704 contacts →
	Exact match “An internationally leading independent third-party testing, inspection, certification, training, and consulting organization, TÜV Rheinland has over 150 years of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Parente Andrade	Exact match	Manaus, BrazilHQ recorded Nov 6, 2026	1,001-5,000	603 contacts →
	Exact match “Somos uma organização que executa serviços dentro do mais alto padrão de qualidade, segurança e respeito ao meio ambiente, visando promover a satisfação dos clientes nos serviços…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Mitra SK	Exact match	Kolkata, IndiaHQ recorded Nov 6, 2026	1,001-5,000	596 contacts →
	Exact match “MSK is a leading Independent Inspection, Testing and Certification Expert, with a global network of offices and laboratories in 28 countries across 5 continents, with headquarters…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Tristha Global Pvt. LTD	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	501-1,000	582 contacts →
	Exact match “Tristha Global is an India-based software services company and Quality Assurance company that focuses broadly on the BFSI sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Averna	Exact match	Montreal, QC, CanadaHQ recorded Nov 6, 2026	1,001-5,000	581 contacts →
	Exact match “As of January 2026, Averna and Spherea joined forces to form the Spherea Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	TTC Global	Exact match	Auckland, New ZealandHQ recorded Nov 6, 2026	201-500	576 contacts →
	Exact match “TTC Global, formerly The Testing Consultancy, is a leading software assurance and testing services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “quality assurance service providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 6,377 quality assurance service providers worldwide

See the full list, filter by size, metro and specialty, and access 32,098 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality assurance service providers worldwide at a glance

As of Nov 6, 2026

22.6%Verified-email coverage

22.3Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,860

11-50

1,575

51-200

575

201-500

181

501-1,000

1,001-5,000

5,001-10,000

10001+

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 quality assurance service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “quality assurance service providers” 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 32,098 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.

Quality assurance service providers by location

40 lists · largest first

Every Quality assurance service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “quality assurance service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quality assurance service providers are there worldwide?

RevenueBase identified 6,377 company matches for quality assurance service providers 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?

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

Which country has the most quality assurance service providers?

The United States leads with 765 companies, followed by India (612) and Brazil (381). Every quality assurance service providers list by country and city is linked on this page.

Which city has the most quality assurance service providers?

London leads with 92 company records, followed by Sao Paulo (68) and Bangalore (61).

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 32,098 professional contacts with verified work emails tracked across these 6,377 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.