Company lists · Data refreshed November 2026

Top 25 Data privacy advisory services worldwide

RevenueBase identified 4,625 company matches for data privacy advisory services worldwide as of November 2026 and tracks 50,817 professional contacts across them, including 6,691 with verified work emails. Germany is the largest market and London the largest hub.

This list covers company matches for data privacy advisory 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 privacy advisory 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
4,625Companies
50,817Contacts tracked
6,691Verified emails
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The 25 largest data privacy advisory services worldwide

Ranked by team size
Top 25 of 4,625 company matches for data privacy advisory 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 matchPortsmouth, NH, United StatesHQ recorded Nov 6, 2026n/a812 contacts →

Exact match

“The policy neutral, not-for-profit professional home for privacy, AI governance and digital responsibility globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-500384 contacts →

Exact match

“HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDevon, PA, United StatesHQ recorded Nov 6, 2026201-500237 contacts →

Exact match

“Founded by John F.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Nov 6, 202651-200191 contacts →

Exact match

“Expertos en Ciberseguridad, Privacidad, GRC, IRM y Cumplimiento Normativo unificando la perspectiva Legal y Tecnológica GOVERTIS es la mayor firma de Advisory 100% especializada…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGatineau, CanadaHQ recorded Nov 6, 2026201-500167 contacts →

Exact match

“The Privacy Commissioner of Canada is an Officer of Parliament, mandated to protect and promote privacy rights.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMilan, ItalyHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“Built for compliance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBengaluru East, IndiaHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“Tsaaro People Consulting redefines Digital Trust through specialist talent and advisory across Privacy, Cybersecurity, AI Governance, and Risk & Compliance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWroclaw, NY, PolandHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Piwik PRO develops a privacy-first platform, providing an advanced suite of modules centered around analytics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSt Petersburg, FL, RussiaHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“360 Advanced is a relationship-focused cybersecurity and compliance firm offering security, privacy and compliance-oriented solutions customized to meet your organization and your…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Nov 6, 202611-50139 contacts →

Exact match

“Servicios de consultoría, auditoría y adaptación al Reglamento General de Protección de Datos (RGPD) y a Ley de Servicios de la Sociedad de la Información y Comercio Electrónico…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrasília, BrazilHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“A Every Cybersecurity, GRC and Privacy Solutions é uma consultoria especializada em Privacidade, Governança, Riscos e Conformidade (GRC) e Cibersegurança, com atuação nacional e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“Audidat Protección de Datos lleva en el mercado desde 2003, cuando un grupo de abogados y profesionales especializados en economía, marketing y empresa con más de veinte años de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSt Helier, JerseyHQ recorded Nov 6, 2026201-500114 contacts →

Exact match

“Calligo transforms data into your most lucrative asset.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNoida, IndiaHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“GoTrust empowers businesses to manage data with ease, ensuring global privacy compliance and maximizing customer trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPittsburgh, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Securis360 provides a wide range of Data Privacy and Governance services to protect your organization's data and systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLiverpool Street, United KingdomHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“The DPO Centre is a leading provider of fractional Data Protection Officer (DPO), privacy and AI governance services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Osano, the leading data privacy management platform, empowers businesses to successfully navigate the complexities of privacy management by providing the necessary tools and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDublin, IrelandHQ recorded Nov 6, 202611-5087 contacts →

Exact match

“BH Consulting is an independent consulting firm in operation since 2004.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“The Agentic Data Privacy Platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Privacy Pillar is a company that provides consumer data privacy solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCedar Rapids, IA, United StatesHQ recorded Nov 6, 202611-5073 contacts →

Exact match

“MCI Mass Markets is an information technology and services company based out of 323 3rd St SE, Cedar Rapids, Iowa, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHamburg, GermanyHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“intersoft consulting ist ein spezialisiertes Beratungsunternehmen in den Bereichen Datenschutz, IT-Sicherheit und IT-Forensik.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSouthampton, United KingdomHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Many organisations are dealing with multiple frameworks, overlapping tools, disconnected ownership, and increasing pressure from regulators, customers, and boards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrighton, United KingdomHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“ISMS.online helps thousands of companies around the world with their information security, data privacy and other compliance needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchZaventem, BelgiumHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“CRANIUM is a consultancy firm specialised in digital compliance and governance.”

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

Showing 25 of 4,625 data privacy advisory services worldwide

See the full list, filter by size, metro and specialty, and access 6,691 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data privacy advisory services worldwide at a glance

As of Nov 6, 2026
13.2%Verified-email coverage
11.0Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,625
11-50
802
51-200
102
201-500
25
501-1,000
8
1,001-5,000
4
5,001-10,000
2
10001+
3

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 privacy advisory services are linked below.
What qualifies
Company records worldwide whose business descriptions match “data privacy advisory 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 6,691 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 privacy advisory services by location

33 lists · largest first

Every Data privacy advisory services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 privacy advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data privacy advisory services are there worldwide?

RevenueBase identified 4,625 company matches for data privacy advisory 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?

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

Which country has the most data privacy advisory services?

Germany leads with 549 companies, followed by the United States (411) and Brazil (381). Every data privacy advisory services list by country and city is linked on this page.

Which city has the most data privacy advisory services?

London leads with 135 company records, followed by Sao Paulo (114) and Paris (81).

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 6,691 professional contacts with verified work emails tracked across these 4,625 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.

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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.