Company lists · Data refreshed November 2026

Top 25 Quality engineering firms worldwide

Name: Quality engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,317 companies tracked

RevenueBase identified 13,317 company matches for quality engineering firms worldwide as of November 2026 and tracks 265,879 professional contacts across them, including 87,735 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for quality engineering firms 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 engineering firms 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

13,317Companies

265,879Contacts tracked

87,735Verified emails

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The 25 largest quality engineering firms worldwide

Ranked by team size

Top 25 of 13,317 company matches for quality engineering firms 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	Terracon	Exact match	Olathe, NE, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,576 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” 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	Multiconsult	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	2,654 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,363 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,116 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,827 contacts →
	Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” 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	UES	Exact match	Orlando, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,694 contacts →
	Exact match “UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Tricentis	Exact match	Austin, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,681 contacts →
	Exact match “Tricentis is a global leader in agentic quality engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	Kpff Consulting Engineers	Exact match	Seattle, ID, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,631 contacts →
	Exact match “KPFF is a multi-office, multi-discipline engineering firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ATLAS	Exact match	Denver, CO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,575 contacts →
	Exact match “Atlas Technical Consultants (Atlas) provides professional testing, inspection, engineering, environmental and consulting services nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Arab Center For Engineering Studies	Exact match	Amman, JordanHQ recorded Nov 6, 2026	1,001-5,000	1,553 contacts →
	Exact match “At ACES, we offer a wide range of specialized engineering services including site and geotechnical investigation, materials technology and testing, quality control of projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,446 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	BGTS	Exact match	Istanbul, TürkiyeHQ recorded Nov 6, 2026	1,001-5,000	1,412 contacts →
	Exact match “BGTS, fazla profesyonelden oluşan ekibi ile global bir yazılım ve teknoloji hizmetleri şirketidir.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	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
19	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
20	Cemosa	Exact match	Málaga, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,030 contacts →
	Exact match “CEMOSA fue constituida en 1972 bajo la denominación mercantil “Centro de Estudios de Materiales y Control de obra, SA”.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Simpson Gumpertz & Heger SGH	Exact match	Waltham, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	969 contacts →
	Exact match “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	M. N. Dastur & Co. P LTD	Exact match	Kolkata, IndiaHQ recorded Nov 6, 2026	1,001-5,000	941 contacts →
	Exact match “M.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Coffman Engineers	Exact match	Seattle, CO, United StatesHQ recorded Nov 6, 2026	501-1,000	919 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	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

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 engineering firms”. 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 13,317 quality engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 87,735 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality engineering firms worldwide at a glance

As of Nov 6, 2026

33.0%Verified-email coverage

20.0Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,494

11-50

4,593

51-200

1,577

201-500

357

501-1,000

115

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 engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “quality engineering firms” 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 87,735 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 engineering firms by location

79 lists · largest first

Every Quality engineering firms 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 engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quality engineering firms are there worldwide?

RevenueBase identified 13,317 company matches for quality engineering firms 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?

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

Which country has the most quality engineering firms?

The United States leads with 3,654 companies, followed by Brazil (1,192) and India (982). Every quality engineering firms list by country and city is linked on this page.

Which city has the most quality engineering firms?

Sao Paulo leads with 194 company records, followed by London (127) and New York (109).

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 87,735 professional contacts with verified work emails tracked across these 13,317 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.