Company lists · Data refreshed September 2026

Top 25 CRM data cleansing services worldwide

RevenueBase identified 367 CRM data cleansing services worldwide as of September 2026 and tracks 4,899 professional contacts across them, including 1,621 with verified work emails. The United States is the largest market and London the largest hub.

This list covers CRM data cleansing services 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 27, 2026. Country and city lists for CRM data cleansing services 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
367Companies
4,899Contacts tracked
1,621Verified emails
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The 25 largest CRM data cleansing services worldwide

Ranked by team size
Top 25 of 367 CRM data cleansing services worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to CRM data cleansing services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceDallas, TX, United StatesHQ checked Sep 27, 20261,001-5,0001,088 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 27, 2026
2Strong evidenceBengaluru, IndiaHQ checked Sep 27, 202651-200203 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 27, 2026
3Partial evidencePittsburgh, PA, United StatesHQ checked Sep 27, 202651-200159 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 27, 2026
4Indirect evidenceChennai, IndiaHQ checked Sep 27, 2026201-500122 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 27, 2026
5Partial evidenceWellesley Hills, United StatesHQ checked Sep 27, 202651-200118 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceNaperville, IL, United StatesHQ checked Sep 27, 20261,001-5,000116 contacts →

Indirect evidence

“Infogix was acquired by Precisely in 2021.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceWürzburg, GermanyHQ checked Sep 27, 202651-20087 contacts →

Partial evidence

“snapAddy is a leading provider of SaaS solutions that use artificial intelligence and machine learning to automate contact capture and eliminate manual CRM processes in marketing…”

Source: RevenueBase Database · checked Sep 27, 2026
8Strong evidenceLondon, United KingdomHQ checked Sep 27, 202651-20085 contacts →

Strong evidence

“We're an award-winning CRM agency who specialise in knitting together complex and disparate data to create a powerful single customer view that can deliver significant returns to…”

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidencePleasanton, United StatesHQ checked Sep 27, 202651-20080 contacts →

Strong evidence

“When data management within Salesforce becomes time-consuming and critical data fields are not being properly updated, your organization can leverage Valorx – CRM management…”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidencePforzheim, GermanyHQ checked Sep 27, 202651-20080 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceMoscow, RussiaHQ checked Sep 27, 202651-20059 contacts →

Indirect 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 27, 2026
12Partial evidenceSalisbury, MD, United StatesHQ checked Sep 27, 202611-5058 contacts →

Partial evidence

“Data Services, Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceHackney, United StatesHQ checked Sep 27, 202651-20057 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 27, 2026
14Strong evidenceUnited StatesHQ checked Sep 27, 202611-5043 contacts →

Strong evidence

“Most CRMs are full of duplicates, messy hierarchies, and inaccurate firmographics, leaving RevOps teams fighting data hygiene issues instead of driving revenue.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidence新宿区, JapanHQ checked Sep 27, 2026201-50040 contacts →

Partial evidence

“Customer Data Integration (CDI) Company based out of Tokyo Opera City 15Fl, 3-20-2 Nishishinjuku Shinjuku-ku, Tokyo, Japan”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202611-5039 contacts →

Partial evidence

“Clearout is a data quality engine for high-velocity go-to-market (GTM) teams.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceChester, United KingdomHQ checked Sep 27, 202611-5038 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 27, 202611-5037 contacts →

Partial evidence

“Matchbook AI helps companies turn messy, disconnected business data into trusted information they can actually use.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceSevres, FranceHQ checked Sep 27, 2026n/a36 contacts →

Indirect evidence

“Depuis 2001, EMB collecte, enrichit et affine des centaines de millions de données pour optimiser vos actions commerciales BtoB et BtoC.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceNúñez, ArgentinaHQ checked Sep 27, 202611-5035 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceJohannesburg, South AfricaHQ checked Sep 27, 20261,001-5,00033 contacts →

Partial evidence

“A division of the Blue Label Telecoms Group, Blue Label Data Solutions has cemented its reputation as a trusted partner in data list management and cleaning, data profiling, lead…”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceAmsterdam, NetherlandsHQ checked Sep 27, 202611-5028 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceIndiaHQ checked Sep 27, 202611-5027 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceBath, United KingdomHQ checked Sep 27, 202611-5025 contacts →

Partial evidence

“When you don't trust your CRM, your systems don't talk to each other, and your reports are nonsense, it's time to call SpotDev.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceMountain View, CA, United StatesHQ checked Sep 27, 202611-5024 contacts →

Partial evidence

“We help Salesforce users identify and resolve data quality issues using a comprehensive AI-enabled Data Quality Platform.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 367 CRM data cleansing services worldwide

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CRM data cleansing services worldwide at a glance

As of Sep 27, 2026
33.1%Verified-email coverage
13.3Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
189
11-50
129
51-200
37
201-500
5
501-1,000
3
1,001-5,000
3
5,001-10,000
1

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 CRM data cleansing services, 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 CRM data cleansing services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “CRM data cleansing services”. 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 CRM data cleansing services), 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 CRM data cleansing services, 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, 1,621 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 27, 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.

CRM data cleansing services by location

2 lists · largest first

Every CRM 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 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 CRM data cleansing services, 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 CRM data cleansing services are there worldwide?

RevenueBase identified 367 CRM data cleansing services 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?

Data Axle, headquartered in Dallas, tops this list with the largest team on record.

Which country has the most CRM data cleansing services?

The United States leads with 118 companies, followed by the United Kingdom (46). Every CRM data cleansing services list by country and city is linked on this page.

Which city has the most CRM data cleansing services?

London leads with 12 headquartered companies, followed by Paris (8) and New York (6).

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 1,621 verified decision-maker contacts tracked across these 367 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 27, 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.