Company lists · Data refreshed November 2026

Top 25 Data cleansing services worldwide

RevenueBase identified 222 company matches for data cleansing services worldwide as of November 2026 and tracks 5,262 professional contacts across them, including 2,165 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data cleansing services 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 data cleansing services 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
222Companies
5,262Contacts tracked
2,165Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest data cleansing services worldwide

Ranked by team size
Top 25 of 222 company matches for data cleansing services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurlington, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
2Exact matchBangalore, IndiaHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
3Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“eCore provides a validation-first data quality layer for GTM teams, cleaning, validating, enriching and monitoring contact and account CRM data so sales, marketing, RevOps and AI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWellesley Hills, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPforzheim, GermanyHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Uniserv is your partner for high-performance customer data management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHackney, United KingdomHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchMoscow, RussiaHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSalisbury, MD, United StatesHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Data Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChester, United KingdomHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
10Exact matchNúñez, ArgentinaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Nuestra plataforma es la solución de software para la normalización, validación, enriquecimiento, deduplicación y segmentación de datos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Matchbook AI masters fragmented customer, supplier, vendor, partner, and account data across CRM, ERP, and enterprise data platforms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIndiaHQ recorded Nov 6, 202611-5030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIndore, IndiaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“At Leads Campaign, we are redefining the data industry with a laser focus on quality over quantity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“By improving general competitive advantage, we empower our customers to invest more energy in advertising, upgrading flexible chain efficiencies, decreasing working expenses, etc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSanta Barbara, CA, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Businesses look to Service Objects when they want to be sure every contact record in every database is as genuine, accurate, and up-to-date as it possibly can be.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchQuận 7, VietnamHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Welcome to C&C Data Company, the reliable partner for all your data intelligence needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGatineau, CanadaHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“We help large organizations structure their data and ditch the debris.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Runner EDQ provides organizations with critical pieces of data for their current databases such as: name, phone, email, postal address, social media handles and much more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSuffield, CT, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Data Ladder focuses on delivering quality data and cleansing solutions that would allow the full potential of the data in your organization through advanced matching, profiling…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRösrath, GermanyHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Data is not just a simple component within corporate and business processes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“We believe in commitment towards quality in service enables to meet and exceed customer expectations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAtlanta, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Firstlogic delivers data quality software to empower the data-driven company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLas Rozas De Madrid, SpainHQ recorded Nov 6, 2026201-50018 contacts →

Exact match

“Deyde MyDataQ is the leading solution in Spain and LATAM for ensuring real-time data quality, normalization, and validation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPortsmouth, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“DQ Global is a data quality management company with a mission to empower organisations worldwide to achieve more with their customer data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPretoria, South AfricaHQ recorded Nov 6, 2026501-1,00015 contacts →

Exact match

“At INFINITE DQ, we believe that trusted data is the foundation of every successful digital journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 222 data cleansing services worldwide

See the full list, filter by size, metro and specialty, and access 2,165 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Data cleansing services worldwide at a glance

As of Nov 6, 2026
41.1%Verified-email coverage
23.7Average contacts per company
11-50Median size (employees)
4.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
108
11-50
77
51-200
28
201-500
4
501-1,000
1
1,001-5,000
2
5,001-10,000
1
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 cleansing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “data cleansing services” 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 2,165 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.

Data cleansing services by location

2 lists · largest first

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

How many data cleansing services are there worldwide?

RevenueBase identified 222 company matches for data cleansing services 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 cleansing services?

The United States leads with 57 companies, followed by the United Kingdom (29). Every data cleansing services list by country and city is linked on this page.

Which city has the most data cleansing services?

London leads with 9 company records, followed by Paris (5) and Bangalore (4).

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 2,165 professional contacts with verified work emails tracked across these 222 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.

Ready to reach these companies? Verified emails and direct dials for all 222 data cleansing services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.