Company lists · Data refreshed September 2026
Top 25 Data quality companies worldwide
RevenueBase identified 498 data quality companies worldwide as of September 2026 and tracks 9,930 professional contacts across them, including 3,750 with verified work emails. The United States is the largest market and London the largest hub.
This list covers data quality companies 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 19, 2026. Country and city lists for data quality companies 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 companies 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 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,088 contacts → | ||||
Partial evidence “Data Axle helps clients create a foundation of clean data, find new leads, develop winning strategies, design beautiful campaigns, and can handle all day-to-day execution needs” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 134 contacts → | ||||
Partial evidence “Smarty’s the expert in address data intelligence-so you don’t have to be.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 122 contacts → | ||||
Strong evidence “Tekizma is a production based company that builds products around data quality.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 122 contacts → | ||||
Indirect evidence “A progressive and innovative company that operates with the sole objective of empowering experimental brands with the business intelligence that they need to remain competitive…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 118 contacts → | ||||
Partial evidence “Is bad customer data keeping you from AI and CX success?” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 107 contacts → | ||||
Strong evidence “Most companies struggle to operationalize data governance and quality.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 88 contacts → | ||||
Strong evidence “People Data Labs (PDL) is the leading provider of high-quality, compliant data on people, companies, and job postings.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 84 contacts → | ||||
Partial evidence “Altares Dun & Bradstreet provides real-time business data from the world's largest commercial database, which includes 500+ million company profiles.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 81 contacts → | ||||
Partial evidence “At Arkatechture, we love data, we play with it and learn from it every day, and we want you to love your data, too!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 80 contacts → | ||||
Partial evidence “Uniserv is your partner for high-performance customer data management.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 80 contacts → | ||||
Strong evidence “DQLabs is the provider of PRIZM, which is an AI-native enterprise platform and unifies data observability, data quality, and context into one continuously validated system.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 79 contacts → | ||||
Strong evidence “We deliver 100% data quality with zero manual maintenance for data-driven organizations?” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 76 contacts → | ||||
Partial evidence “GBG Loqate is a trusted data specialist for businesses of all sizes and sectors.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 66 contacts → | ||||
Indirect evidence “Seja bem-vindo à Lemit Brasil!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 62 contacts → | ||||
Strong evidence “Plauti was founded with a mission to create Data Happiness for companies across the globe by making all employees feel responsible for the quality of their data and by providing…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 60 contacts → | ||||
Indirect evidence “A Assesso é uma empresa de tecnologia com mais de 40 anos de atuação no mercado brasileiro.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 59 contacts → | ||||
Partial evidence “HF Labs», LLC, is a Russian company that was found in the beginning of the year 2005, aiming at software development and service provision of the highest quality in the sphere of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 59 contacts → | ||||
Indirect evidence “Bouncer is a company that provides powerful and affordable email list verification and email validation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 57 contacts → | ||||
Partial evidence “Convertr is the enterprise data integrity layer that ensures clean, compliant, and complete data flows across systems and teams to support AI-readiness.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 55 contacts → | ||||
Partial evidence “We have a passion for data.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 48 contacts → | ||||
Strong evidence “FirstEigen is a leader in data quality and trustability solutions, empowering organizations to ensure reliable, accurate data for critical decision-making.” Source: RevenueBase Database · checked Sep 19, 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 companies. 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 companies.
- Partial evidence
- Its own public description names part of data quality companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name data quality companies. 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 498 data quality companies worldwide
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Data quality companies worldwide at a glance
As of Sep 19, 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 companies, 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 companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “data quality companies”. 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 companies), 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 companies, 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, 3,750 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 19, 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 companies by location
4 lists · largest firstEvery Data quality companies 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 data quality companies, 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 companies are there worldwide?
RevenueBase identified 498 data quality companies 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 companies?
The United States leads with 158 companies, followed by the United Kingdom (55) and India (42). Every data quality companies list by country and city is linked on this page.
Which city has the most data quality companies?
London leads with 18 headquartered companies, followed by Paris (13) and San Francisco (11).
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 3,750 verified decision-maker contacts tracked across these 498 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 19, 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.