Company lists · Data refreshed September 2026

Top 25 Automotive quality assurance firms worldwide

Name: Automotive quality assurance firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 2,412 companies tracked

RevenueBase identified 2,412 automotive quality assurance firms worldwide as of September 2026 and tracks 157,431 professional contacts across them, including 35,551 with verified work emails. Germany is the largest market and Sao Paulo the largest hub.

This list covers automotive quality assurance firms worldwide, 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 30, 2026. Country and city lists for automotive quality assurance firms follow the table.

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 30, 2026 86% judged on-target in blind review

2,412Companies

157,431Contacts tracked

35,551Verified emails

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The 25 largest automotive quality assurance firms worldwide

Ranked by team size

Top 25 of 2,412 automotive quality assurance firms worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to automotive quality assurance 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SGS	Indirect evidence	Baar, SwitzerlandHQ checked Sep 30, 2026	10001+	60,606 contacts →
	Indirect evidence “SGS is the world’s leading Testing, Inspection and Certification company.” Source: RevenueBase Database · checked Sep 30, 2026
2	Intertek	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	10001+	23,155 contacts →
	Strong evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 30, 2026
3	TÜV Rheinland Group	Partial evidence	Cologne, GermanyHQ checked Sep 30, 2026	10001+	7,928 contacts →
	Partial evidence “Neutral, independent third party For more than 150 years, TÜV Rheinland has stood for ensuring quality, safety, and efficiency in conjunction with people, the environment, and…” Source: RevenueBase Database · checked Sep 30, 2026
4	TRIGO	Strong evidence	Nanterre, FranceHQ checked Sep 30, 2026	10001+	3,572 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 30, 2026
5	Formel D Group	Indirect evidence	Cologne, GermanyHQ checked Sep 30, 2026	10001+	2,758 contacts →
	Indirect evidence “Formel D is a global service provider for testing, inspection & certification.” Source: RevenueBase Database · checked Sep 30, 2026
6	Stratosphere Quality	Strong evidence	Fishers, IN, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,553 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
7	Automotive Research Association Of India Arai	Partial evidence	Pune, IndiaHQ checked Sep 30, 2026	501-1,000	1,061 contacts →
	Partial evidence “The Automotive Research Association of India (ARAI), established in 1966, is the leading automotive R&D organization of the country set up by the Automotive Industry with the…” Source: RevenueBase Database · checked Sep 30, 2026
8	A1qa	Partial evidence	Decatur, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	980 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 30, 2026
9	AENOR	Indirect evidence	Madrid, SpainHQ checked Sep 30, 2026	501-1,000	961 contacts →
	Indirect evidence “AENOR is a global company, that identifies and helps organizations to overcome relevant competitiveness gaps.” Source: RevenueBase Database · checked Sep 30, 2026
10	UTAC	Indirect evidence	Linas, FranceHQ checked Sep 30, 2026	1,001-5,000	950 contacts →
	Indirect evidence “Since 1924, UTAC has been at the forefront of the mobility industry, advancing it towards a safer and cleaner future.” Source: RevenueBase Database · checked Sep 30, 2026
11	Exact X Forestall Group	Partial evidence	Częstochowa, PolandHQ checked Sep 30, 2026	5,001-10,000	711 contacts →
	Partial evidence “Exact x Forestall is a leading global provider of quality control solutions.” Source: RevenueBase Database · checked Sep 30, 2026
12	Interface Microsystems	Partial evidence	Gurgaon, IndiaHQ checked Sep 30, 2026	501-1,000	574 contacts →
	Partial evidence “Interface Microsystems are leading suppliers of automotive electronics.” Source: RevenueBase Database · checked Sep 30, 2026
13	Mitra SK	Indirect evidence	Kolkata, IndiaHQ checked Sep 30, 2026	1,001-5,000	573 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
14	Horiba Mira	Indirect evidence	Nuneaton, United KingdomHQ checked Sep 30, 2026	501-1,000	568 contacts →
	Indirect evidence “HORIBA MIRA is a global provider of engineering, research and validation services, with 80 years' experience in developing some of the world’s most iconic vehicles.” Source: RevenueBase Database · checked Sep 30, 2026
15	Averna	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 30, 2026	1,001-5,000	540 contacts →
	Indirect evidence “As of January 2026, Averna and Spherea joined forces to form the Spherea Group.” Source: RevenueBase Database · checked Sep 30, 2026
16	SQA	Strong evidence	Bogotá, ColombiaHQ checked Sep 30, 2026	201-500	494 contacts →
	Strong evidence “Empowering growth-driven technology companies with reliable and efficient software quality assurance solutions, our QA services specialize in QA automation, staff augmentation…” Source: RevenueBase Database · checked Sep 30, 2026
17	Vayan Group, LLC	Strong evidence	Sterling Heights, MI, United StatesHQ checked Sep 30, 2026	1,001-5,000	476 contacts →
	Strong evidence “Vayan Group, LLC is a leading provider of technology-driven quality assurance solutions for OEMs, Tier 1 and Tier 2 suppliers across the automotive, aerospace, electronics…” Source: RevenueBase Database · checked Sep 30, 2026
18	Dekra Italy	Indirect evidence	Cinisello Balsamo, ItalyHQ checked Sep 30, 2026	501-1,000	427 contacts →
	Indirect evidence “DEKRA in Italy has been present for more than 20 years, with offices in Milan, Rome, Verona and laboratories in Osnago, Thiene and Moncalieri.” Source: RevenueBase Database · checked Sep 30, 2026
19	Astegic	Indirect evidence	Falls Church, VA, United StatesHQ checked Sep 30, 2026	51-200	415 contacts →
	Indirect evidence “For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.” Source: RevenueBase Database · checked Sep 30, 2026
20	IMQ S.P.A	Indirect evidence	Milan, ItalyHQ checked Sep 30, 2026	1,001-5,000	412 contacts →
	Indirect evidence “Il Gruppo IMQ rappresenta una delle più importanti realtà italiane nel settore della valutazione della conformità (certificazione, prove, verifiche, ispezioni), presente anche nei…” Source: RevenueBase Database · checked Sep 30, 2026
21	Logigear Corporation	Indirect evidence	San Mateo, CA, United StatesHQ checked Sep 30, 2026	501-1,000	403 contacts →
	Indirect evidence “We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…” Source: RevenueBase Database · checked Sep 30, 2026
22	Hi-Lex India Pvt. LTD	Indirect evidence	Gurgaon, IndiaHQ checked Sep 30, 2026	1,001-5,000	384 contacts →
	Indirect evidence “Established in year 1998, a 60:40 JV- Machino TSK Nippon Cables and became 100% subsidiary of HI-LEX Corporation Japan Formerly Nippon Cable System Inc.” Source: RevenueBase Database · checked Sep 30, 2026
23	TÜV SÜD Auto Service	Indirect evidence	GermanyHQ checked Sep 30, 2026	5,001-10,000	382 contacts →
	Indirect evidence “Vertrauen ist die Basis.” Source: RevenueBase Database · checked Sep 30, 2026
24	W3softech India Private Limited	Indirect evidence	Hyderabad, IndiaHQ checked Sep 30, 2026	51-200	373 contacts →
	Indirect evidence “W3Softech is an Independent QA services company specializing in Functional, Automation, non-functional testing services.” Source: RevenueBase Database · checked Sep 30, 2026
25	Louwman	Indirect evidence	The Hague, NetherlandsHQ checked Sep 30, 2026	1,001-5,000	346 contacts →
	Indirect evidence “Louwman is het baken van rust in de hectische autobranche.” Source: RevenueBase Database · checked Sep 30, 2026

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: automotive quality assurance 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 automotive quality assurance firms.
Partial evidence: Its own public description names part of automotive quality assurance firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name automotive quality assurance 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 25 of 2,412 automotive quality assurance firms worldwide

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Automotive quality assurance firms worldwide at a glance

As of Sep 30, 2026

22.6%Verified-email coverage

65.3Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

1,004

11-50

700

51-200

360

201-500

171

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among automotive quality assurance 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.
Coverage: Every country. Country and city lists for automotive quality assurance firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “automotive quality assurance 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 automotive quality assurance 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 automotive quality assurance firms, and records with no verified work email.
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, 35,551 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 30, 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.

Automotive quality assurance firms by location

13 lists · largest first

Every Automotive quality assurance firms 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 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 automotive quality assurance 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 automotive quality assurance firms are there worldwide?

RevenueBase identified 2,412 automotive quality assurance firms worldwide 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?

SGS, headquartered in Baar, tops this list with the largest team on record.

Which country has the most automotive quality assurance firms?

Germany leads with 249 companies, followed by the United States (248) and Brazil (197). Every automotive quality assurance firms list by country and city is linked on this page.

Which city has the most automotive quality assurance firms?

Sao Paulo leads with 38 headquartered companies, followed by Istanbul (31) and Pune (22).

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 35,551 verified decision-maker contacts tracked across these 2,412 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 30, 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.