Company lists · Data refreshed September 2026
Top 25 Quality control consulting firms worldwide
RevenueBase identified 6,053 quality control consulting firms worldwide as of September 2026 and tracks 78,769 professional contacts across them, including 16,650 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers quality control consulting 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 29, 2026. Country and city lists for quality control consulting 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.
The 25 largest quality control consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 23,155 contacts → | ||||
Partial evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,802 contacts → | ||||
Partial evidence “The Bureau Veritas Consumer Products Services division is a world-leading concept-to-consumer quality assurance and compliance services provider to manufacturers, distributors and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,915 contacts → | ||||
Strong evidence “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,754 contacts → | ||||
Partial evidence “MCA Audit and Management Ltd, which specializes in consulting, auditing and project management and construction, is a company created by professionals graduating from leading…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,612 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 711 contacts → | ||||
Strong evidence “Exact x Forestall is a leading global provider of quality control solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 686 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 651 contacts → | ||||
Indirect evidence “Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 457 contacts → | ||||
Indirect evidence “Trace Group, fundada en 2008 como parte del grupo Clusterciar, es una empresa dedicada a la supervisión e inspección técnica para la industria bajo rigurosos estándares de calidad…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 394 contacts → | ||||
Partial evidence “CQRA is a leading provider of Quality, Safety, Quantity, and Billing Audit services for construction projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 347 contacts → | ||||
Partial evidence “Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 344 contacts → | ||||
Strong evidence “Cutech Quality and Cutech Process are part of a multi-disciplinary group offering comprehensive Quality Assurance, Quality Control, Inspection, Testing, Engineering, and Technical…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 320 contacts → | ||||
Strong evidence “Impactiva is the world's leader in Process Optimization, Quality Management and Quality Assurance/Control for the Leather, Footwear, Leathergoods, Outdoor Gear and Apparel…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 250 contacts → | ||||
Strong evidence “Since 1987 HQTS has delivered product inspections, factory audits, testing and quality consulting throughout Asia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 245 contacts → | ||||
Indirect evidence “Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 245 contacts → | ||||
Strong evidence “Founded in 1977 Sonic Systems International (SSI) is a full-service quality-consulting firm serving the nuclear power generation utility industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 241 contacts → | ||||
Indirect evidence “For more than a decade the Tentamus Group has been providing services to customers all over the world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 234 contacts → | ||||
Indirect evidence “A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 228 contacts → | ||||
Partial evidence “Dexon is committed to the delivery of quality inspection services and continuous improvement for our customers satisfaction.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 211 contacts → | ||||
Partial evidence “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 200 contacts → | ||||
Indirect evidence “Sanity – Confiança em cada etapa do seu negócio Desde a Sanity é referência em segurança dos alimentos e consultoria regulatória, ajudando empresas de todos os portes a garantirem…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 192 contacts → | ||||
Strong evidence “The largest laboratory quality control company in the country, Controllab is committed to taking care of life.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 190 contacts → | ||||
Indirect evidence “Complete Laboratory Solutions (CLS) is an Irish-led multinational supporting the life sciences sector.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 181 contacts → | ||||
Indirect evidence “Today RSJ Inspection is one of the best-known complete conformity assessments & neutral third party companies in Asia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 179 contacts → | ||||
Partial evidence “Quality & Compliance | Regulatory Strategy | Inspection Readiness & Remediation | Data Integrity.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: quality control consulting 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 quality control consulting firms.
- Partial evidence
- Its own public description names part of quality control consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quality control consulting 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 6,053 quality control consulting firms worldwide
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Quality control consulting firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 quality control 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.
- Coverage
- Every country. Country and city lists for quality control consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “quality control 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 quality control 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 quality control consulting 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, 16,650 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 29, 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.
Quality control consulting firms by location
28 lists · largest firstEvery Quality control consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Quality control consulting firms based in the United States1,086
- Quality control consulting firms based in Brazil522
- Quality control consulting firms based in France289
- Quality control consulting firms based in India277
- Quality control consulting firms based in the United Kingdom211
- Quality control consulting firms based in Germany189
- Quality control consulting firms based in Mexico184
- Quality control consulting firms based in Spain149
- Quality control consulting firms based in Italy143
- Quality control consulting firms based in Canada142
- Quality control consulting firms based in the Netherlands133
- Quality control consulting firms based in Argentina106
- Quality control consulting firms based in Türkiye104
- Quality control consulting firms based in Australia83
- Quality control consulting firms based in Colombia82
- Quality control consulting firms based in Switzerland79
- Quality control consulting firms based in South Africa58
- Quality control consulting firms based in Belgium57
- Quality control consulting firms based in Chile55
- Quality control consulting firms based in Denmark49
- Quality control consulting firms based in Sweden49
- Quality control consulting firms based in the United Arab Emirates42
- Quality control consulting firms based in Israel34
- Quality control consulting firms based in Hong Kong26
Cities
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 quality control 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 quality control consulting firms are there worldwide?
RevenueBase identified 6,053 quality control consulting 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?
Intertek, headquartered in London, tops this list with the largest team on record.
Which country has the most quality control consulting firms?
The United States leads with 1,086 companies, followed by Brazil (522) and France (289). Every quality control consulting firms list by country and city is linked on this page.
Which city has the most quality control consulting firms?
Sao Paulo leads with 96 headquartered companies, followed by Lima (43) and London (42).
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 16,650 verified decision-maker contacts tracked across these 6,053 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 29, 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.