Company lists · Data refreshed September 2026
Top 25 Data quality consulting firms worldwide
RevenueBase identified 2,251 data quality consulting firms worldwide as of September 2026 and tracks 23,697 professional contacts across them, including 7,336 with verified work emails. The United States is the largest market and London the largest hub.
This list covers data quality 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 28, 2026. Country and city lists for data quality 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 data quality consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,243 contacts → | ||||
Partial evidence “As a global leader in data integrity, Precisely ensures that your data is accurate, consistent, and contextual.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,009 contacts → | ||||
Indirect evidence “LexisNexis® Risk Solutions includes seven brands that span multiple industries.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 686 contacts → | ||||
Indirect 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 507 contacts → | ||||
Strong evidence “Global Leader in Data Lifecycle Management Since 1996, PiLog Group has been at the forefront of Data Quality and Governance, empowering organizations worldwide with innovative…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 432 contacts → | ||||
Partial evidence “AI has raised the stakes for enterprise data.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 364 contacts → | ||||
Indirect evidence “For more than 20 years, e4health has partnered with 400+ health systems and provider organizations nationwide, delivering exceptional solutions across Health IT, HIM, Coding…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 353 contacts → | ||||
Partial evidence “For 20+ years, Syniti (formerly BackOffice Associates) has been solving the world’s most complex data challenges.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 338 contacts → | ||||
Partial evidence “For over 50 years, our history has been rooted in commitment to quality improvement for organizations, and quality of life for the people they serve.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 302 contacts → | ||||
Strong evidence “utopia, a Prometheus Group Company As a leading software and services company for end-to-end data quality, data migration and data governance solutions, our “build, fix and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 254 contacts → | ||||
Strong evidence “Artha Solutions is a well-known business technology consulting firm that helps businesses maximize the value of their data as a corporate asset by implementing corporate strategy…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 203 contacts → | ||||
Strong evidence “Grihasoft is a leading provider of data quality services like MRO Data Cleansing Services, Material Master Data Management Solutions and services, Supplier Data Management…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 192 contacts → | ||||
Partial evidence “Citizant is a trusted partner to federal and commercial enterprises, helping organizations modernize mission-critical operations through enterprise data strategy, disciplined…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 186 contacts → | ||||
Partial evidence “Elait exists to transform unwieldy data into a competitive advantage.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 179 contacts → | ||||
Strong evidence “Quality & Compliance | Regulatory Strategy | Inspection Readiness & Remediation | Data Integrity.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 167 contacts → | ||||
Partial evidence “Solvership is a big team of more than 180 problem solvers, all focused on one goal: unlocking your potential by solving complex data challenges.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 159 contacts → | ||||
Partial evidence “eCore helps GTM teams fix the data problems that slow down sales, marketing, RevOps, and AI initiatives.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 137 contacts → | ||||
Partial evidence “Innovative Systems delivers enterprise data, compliance, integration, and audit solutions through the company’s leading FinScan®, Enlighten®, and PostLocate® brands.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 135 contacts → | ||||
Indirect evidence “Soflab Technology is dynamically growing company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 129 contacts → | ||||
Partial evidence “LumenData transforms data complexity into opportunity.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 123 contacts → | ||||
Partial evidence “Since 2018, Odetta has been helping organizations of all sizes reap the benefits of clean, reliable data to make better decisions, drive growth, and measure the results.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 123 contacts → | ||||
Indirect evidence “Expertos en analítica y calidad de datos.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 120 contacts → | ||||
Partial evidence “Pantheon Data helps businesses and government organizations improve the way they collect, store, and analyze large volumes of data to become more effective, transparent and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 118 contacts → | ||||
Partial evidence “Is bad customer data keeping you from AI and CX success?” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 109 contacts → | ||||
Partial evidence “Roq is changing the way the world views Quality.” Source: RevenueBase Database · checked Sep 28, 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: data quality 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 data quality consulting firms.
- Partial evidence
- Its own public description names part of data quality consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name data quality 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.
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Data quality consulting firms worldwide at a glance
As of Sep 28, 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 data quality 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 data quality consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “data quality 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 data quality 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 data quality 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, 7,336 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 28, 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.
Data quality consulting firms by location
16 lists · largest firstEvery Data quality consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Data quality consulting firms based in the United States550
- Data quality consulting firms based in the United Kingdom158
- Data quality consulting firms based in France125
- Data quality consulting firms based in Brazil110
- Data quality consulting firms based in India93
- Data quality consulting firms based in the Netherlands89
- Data quality consulting firms based in Australia75
- Data quality consulting firms based in Germany67
- Data quality consulting firms based in Canada61
- Data quality consulting firms based in Switzerland38
- Data quality consulting firms based in Belgium34
- Data quality consulting firms based in Spain34
- Data quality consulting firms based in South Africa28
- Data quality consulting firms based in Sweden25
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 data quality 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 data quality consulting firms are there worldwide?
RevenueBase identified 2,251 data quality 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?
Precisely, headquartered in Burlington, tops this list with the largest team on record.
Which country has the most data quality consulting firms?
The United States leads with 550 companies, followed by the United Kingdom (158) and France (125). Every data quality consulting firms list by country and city is linked on this page.
Which city has the most data quality consulting firms?
London leads with 46 headquartered companies, followed by Paris (46) and Sao Paulo (36).
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 7,336 verified decision-maker contacts tracked across these 2,251 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 28, 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.