Company lists · Data refreshed November 2026

Top 25 Quality improvement consultants worldwide

Name: Quality improvement consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 12,087 companies tracked

RevenueBase identified 12,087 company matches for quality improvement consultants worldwide as of November 2026 and tracks 69,164 professional contacts across them, including 11,341 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for quality improvement consultants 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 improvement consultants 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

12,087Companies

69,164Contacts tracked

11,341Verified emails

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The 25 largest quality improvement consultants worldwide

Ranked by team size

Top 25 of 12,087 company matches for quality improvement consultants 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	Propia AB	Exact match	Norrköping, SwedenHQ recorded Nov 6, 2026	n/a	2,517 contacts →
	Exact match “Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	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
3	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
4	Steritech	Exact match	Charlotte, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	838 contacts →
	Exact match “For over 30 years, Steritech has been an industry leader and pioneer in providing assessments and consulting solutions to companies drive operational consistency and help…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	KLB	Exact match	Vincennes, MexicoHQ recorded Nov 6, 2026	501-1,000	373 contacts →
	Exact match “KLB Group is an international consulting firm specializing in operational performance for more than 25 years and bringing together nearly 750 employees worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Quality Evaluation Systems & Team PVT LTD	Exact match	Bengaluru North, IndiaHQ recorded Nov 6, 2026	201-500	351 contacts →
	Exact match “QUEST has been serving the Indian Engineering Industry in the area of Quality Evaluation and process improvement since its inception over two decades ago in 1985.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Koya Consulting INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	298 contacts →
	Exact match “Koya Consulting Inc, follows its own set of processes, methodologies, and disciplines in order to provide high-quality services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Brandt Business Services	Exact match	Kuala Lumpur, MalaysiaHQ recorded Nov 6, 2026	501-1,000	281 contacts →
	Exact match “Built on the company’s core expertise, Brandt helps organizations achieve enhanced service levels through transforming the approach, performance, quality and efficiency of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Funcional	Exact match	Cascavel, BrazilHQ recorded Nov 6, 2026	51-200	265 contacts →
	Exact match “Com o propósito de transformar, potencializar e perpetuar negócios, apoiamos as empresas na gestão empresarial de resultado.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Thought Logic Consulting	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	201-500	245 contacts →
	Exact match “Thought logic is a functionally-led, digitally enabled consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Dexon Technology	Exact match	Ban Chang, ThailandHQ recorded Nov 6, 2026	201-500	239 contacts →
	Exact match “Dexon is committed to the delivery of quality inspection services and continuous improvement for our customers satisfaction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Greyson	Exact match	Bratislava, SlovakiaHQ recorded Nov 6, 2026	201-500	236 contacts →
	Exact match “We help our clients analyze markets and competition, evaluate efficiency of their processes/organization and understand latest trends & technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Medovent Solutions	Exact match	St Petersburg, FL, RussiaHQ recorded Nov 6, 2026	501-1,000	228 contacts →
	Exact match “Medovent builds teams that drive results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	RLG International	Exact match	Vancouver, BC, CanadaHQ recorded Nov 6, 2026	51-200	226 contacts →
	Exact match “RLG International is a performance-focused consulting firm specializing in the on-site implementation of measurable improvement initiatives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Centigo	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	201-500	224 contacts →
	Exact match “Vi vitaliserar företag genom förändring.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	IND Consulting	Exact match	Cooper City, TX, United StatesHQ recorded Nov 6, 2026	201-500	180 contacts →
	Exact match “IND Consulting has over 60 years of experience in successfully helping organizations analyze their operations, create personalized business expansion plans, and assist them in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Allure	Exact match	United StatesHQ recorded Nov 6, 2026	201-500	175 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	KJ Industries	Exact match	Esbjerg, DenmarkHQ recorded Nov 6, 2026	201-500	155 contacts →
	Exact match “At KJ Industries we have over five decades of experience with making our clients winners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Plexus	Exact match	NetherlandsHQ recorded Nov 6, 2026	n/a	151 contacts →
	Exact match “Plexus is a consulting firm with a primary focus on health care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	EFQM	Exact match	Zaventem, BelgiumHQ recorded Nov 6, 2026	11-50	150 contacts →
	Exact match “EFQM helps organisations perform better by creating data-driven insights backed up by organisational experts, to fit your priorities, your purpose, and your people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Herren Associates	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	148 contacts →
	Exact match “Here at Herren, our goals are to drive efficiency and maximize the value of every dollar our clients spend.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Trissential	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	201-500	146 contacts →
	Exact match “Trissential, an Expleo Company, blends local trust with global reach, supported by experts across 29 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	XZ Consultores,sa	Exact match	Braga, PortugalHQ recorded Nov 6, 2026	11-50	144 contacts →
	Exact match “Criada em 1992 por Júlio Faceira.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Omnex Systems	Exact match	Ann Arbor, MI, United StatesHQ recorded Nov 6, 2026	501-1,000	141 contacts →
	Exact match “Omnex Systems, LLC is headquartered in Ann Arbor, Michigan and provides software, training, implementation, staffing, projects and support to improve the quality of businesses…” 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 improvement consultants”. 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 12,087 quality improvement consultants worldwide

See the full list, filter by size, metro and specialty, and access 11,341 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality improvement consultants worldwide at a glance

As of Nov 6, 2026

16.4%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

9,761

11-50

1,861

51-200

298

201-500

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 improvement consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “quality improvement consultants” 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 11,341 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 improvement consultants by location

60 lists · largest first

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

How many quality improvement consultants are there worldwide?

RevenueBase identified 12,087 company matches for quality improvement consultants 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?

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

Which country has the most quality improvement consultants?

The United States leads with 2,276 companies, followed by Brazil (1,165) and the United Kingdom (565). Every quality improvement consultants list by country and city is linked on this page.

Which city has the most quality improvement consultants?

Sao Paulo leads with 229 company records, followed by London (111) and Buenos Aires (88).

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 11,341 professional contacts with verified work emails tracked across these 12,087 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.