Company lists · Data refreshed November 2026

Top 25 Data quality consultancies worldwide

RevenueBase identified 556 company matches for data quality consultancies worldwide as of November 2026 and tracks 7,223 professional contacts across them, including 2,849 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data quality consultancies 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 5, 2026. Country and city lists for data quality consultancies 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 5, 2026 How this list was built
556Companies
7,223Contacts tracked
2,849Verified emails
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The 25 largest data quality consultancies worldwide

Ranked by team size
Top 25 of 556 company matches for data quality consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurlington, United StatesHQ recorded Nov 5, 20261,001-5,0002,375 contacts →

Exact match

“As a global leader in data integrity, Precisely ensures that your data is accurate, consistent, and contextual.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchMundelein, IL, United StatesHQ recorded Nov 5, 2026501-1,000317 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-200219 contacts →

Exact match

“Grihasoft is a leading provider of data quality services like MRO Data Cleansing Services, Material Master Data Management Solutions and services, Supplier Data Management…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchAlcobendas, SpainHQ recorded Nov 5, 202651-200124 contacts →

Exact match

“Expertos en analítica y calidad de datos.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchReston, FL, United StatesHQ recorded Nov 5, 2026501-1,000122 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchWellesley Hills, United StatesHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“Is bad customer data keeping you from AI and CX success?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSt. Gallen, SwitzerlandHQ recorded Nov 5, 202651-20092 contacts →

Exact match

“We deliver 100% data quality with zero manual maintenance for data-driven organizations?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchPortland, ME, United StatesHQ recorded Nov 5, 202651-20090 contacts →

Exact match

“At Arkatechture, we love data, we play with it and learn from it every day, and we want you to love your data, too!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchPasadena, CA, United StatesHQ recorded Nov 5, 202651-20086 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchHackney, United KingdomHQ recorded Nov 5, 202651-20069 contacts →

Exact match

“Convertr is the enterprise data integrity layer that ensures clean, compliant, and complete data flows across systems and teams to support AI-readiness.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchPittsburgh, PA, United StatesHQ recorded Nov 5, 202651-20069 contacts →

Exact match

“DATA THAT DELIVERS BUSINESS VALUE.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchArnhem, NetherlandsHQ recorded Nov 5, 202651-20065 contacts →

Exact match

“For Salesforce and Dynamics 365 CE teams who want to run reports, automation, and AI only on data they can trust, Plauti is the native data-quality platform that diagnoses…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchNieuwegein, NetherlandsHQ recorded Nov 5, 202651-20059 contacts →

Exact match

“We have a passion for data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchOsasco, BrazilHQ recorded Nov 5, 202651-20052 contacts →

Exact match

“Nascida em a MP foi fundada por ex colaborador de Multinacional Americana com vasta experiência na área de qualidade, tendo atuado em diversas áreas: Recebimento, Auditoria de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchRosenheim, GermanyHQ recorded Nov 5, 202651-20051 contacts →

Exact match

“roosi assists both public sector and private sector companies in transforming data into management-relevant information and implementing a standardised data strategy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNaperville, IL, United StatesHQ recorded Nov 5, 202651-20050 contacts →

Exact match

“FirstEigen is a leader in data quality and trustability solutions, empowering organizations to ensure reliable, accurate data for critical decision-making.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchChester, United KingdomHQ recorded Nov 5, 202611-5039 contacts →

Exact match

“THE DATA QUALITY COMPANY Data8 is an award winning data quality management company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchDiest, BelgiumHQ recorded Nov 5, 202611-5038 contacts →

Exact match

“We are a consultancy company focussed on delivering QP and QA services to our customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchStavanger, NorwayHQ recorded Nov 5, 202611-5035 contacts →

Exact match

“At Avito, our ambition is to be at the forefront of transforming businesses through insightful data solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchWoerden, NetherlandsHQ recorded Nov 5, 202611-5032 contacts →

Exact match

“Clever Republic is a consultancy firm specialised in Data Intelligence, Data Governance, AI Governance, ESG Governance and Data Quality.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“We help our customers get the maximum value possible out of their data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSantiago, ChileHQ recorded Nov 5, 20261-1029 contacts →

Exact match

“Servicios de Consultoría en Analytics, Business Intelligence, DataScience, gestión de proyectos y QA automatizado.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchCopenhagen, DenmarkHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Vi har i mere end 20 år udviklet, drevet og videreudviklet iDQ og BiQ og på denne måde oparbejdet en viden, som hjælper vores kunder med at bekæmpe svindel, reducere manuelle…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchLima, PeruHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Sabemos que existe una demanda por un servicio de calidad, y ABISERVI representa la mejor opción en exactitud de la información relevada.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchCuauhtémoc, MexicoHQ recorded Nov 5, 202651-20027 contacts →

Exact match

“Política de Calidad: Proporcionar información estratégica de calidad para la Industria Farmacéutica basados en la mejora continua de nuestros procesos, a través de soluciones para…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 556 data quality consultancies worldwide

See the full list, filter by size, metro and specialty, and access 2,849 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data quality consultancies worldwide at a glance

As of Nov 5, 2026
39.4%Verified-email coverage
13.0Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
385
11-50
118
51-200
37
201-500
4
501-1,000
4
1,001-5,000
3
5,001-10,000
2
10001+
1

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 data quality consultancies are linked below.
What qualifies
Company records worldwide whose business descriptions match “data quality consultancies” 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 2,849 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 5, 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.

Data quality consultancies by location

4 lists · largest first

Every Data quality consultancies 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 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 “data quality consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data quality consultancies are there worldwide?

RevenueBase identified 556 company matches for data quality consultancies 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?

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

Which country has the most data quality consultancies?

The United States leads with 107 companies, followed by the United Kingdom (59) and the Netherlands (34). Every data quality consultancies list by country and city is linked on this page.

Which city has the most data quality consultancies?

London leads with 18 company records, followed by New York (7) and Sao Paulo (7).

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 2,849 professional contacts with verified work emails tracked across these 556 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 5, 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.