Company lists · Data refreshed September 2026
Top 25 Data privacy advisory services worldwide
RevenueBase identified 4,180 data privacy advisory services worldwide as of September 2026 and tracks 43,994 professional contacts across them, including 5,573 with verified work emails. Germany is the largest market and London the largest hub.
This list covers data privacy advisory 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 19, 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 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 privacy advisory services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 368 contacts → | ||||
Partial evidence “HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 213 contacts → | ||||
Indirect evidence “Founded by John F.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 183 contacts → | ||||
Strong evidence “Expertos en Ciberseguridad, Privacidad, GRC, IRM y Cumplimiento Normativo unificando la perspectiva Legal y Tecnológica GOVERTIS es la mayor firma de Advisory 100% especializada…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 163 contacts → | ||||
Partial evidence “The Privacy Commissioner of Canada is an Officer of Parliament, mandated to protect and promote privacy rights.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 155 contacts → | ||||
Strong evidence “Tsaaro People Consulting redefines Digital Trust through specialist talent and advisory across Privacy, Cybersecurity, AI Governance, and Risk & Compliance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 154 contacts → | ||||
Partial evidence “Piwik PRO develops a privacy-first platform, providing an advanced suite of modules centered around analytics.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 146 contacts → | ||||
Indirect evidence “Built for compliance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 112 contacts → | ||||
Partial evidence “Calligo transforms data into your most lucrative asset.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 110 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 84 contacts → | ||||
Strong evidence “The DPO Centre is the leading provider of fractional Data Protection Officer (DPO) resources, delivering expert data protection, AI Governance and privacy services from our…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 83 contacts → | ||||
Strong evidence “Securis360 provides a wide range of Data Privacy and Governance services to protect your organization's data and systems.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 78 contacts → | ||||
Strong evidence “The Agentic Data Privacy Platform.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 77 contacts → | ||||
Strong evidence “Osano, the leading data privacy management platform, empowers businesses to successfully navigate the complexities of privacy management by providing the necessary tools and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 77 contacts → | ||||
Indirect evidence “In een wereld vol risico’s en verplichtingen is het een uitdaging om in control te zijn én je prioriteiten scherp te houden.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 76 contacts → | ||||
Indirect evidence “Áudea Seguridad de la Información es una consultora tecnológica, con 10 años de experiencia, que presta servicios profesionales relacionados con la gestión de la seguridad de la…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 72 contacts → | ||||
Partial evidence “ZwillGen is a boutique law firm specializing in technology and privacy law.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 71 contacts → | ||||
Indirect evidence “intersoft consulting ist ein spezialisiertes Beratungsunternehmen in den Bereichen Datenschutz, IT-Sicherheit und IT-Forensik.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 66 contacts → | ||||
Indirect evidence “PRODAT® es la organización líder especializada en servicios de Consultoría y Auditoría en el ámbito de la Ley Orgánica de Protección de Datos de Carácter Personal (LOPD) desde…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 65 contacts → | ||||
Indirect evidence “MCI Mass Markets is an information technology and services company based out of 323 3rd St SE, Cedar Rapids, Iowa, United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 63 contacts → | ||||
Strong evidence “At Privacy Company we believe in a world in which every organization works actively on data protection.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 63 contacts → | ||||
Indirect evidence “Ф franciscronje.com was formed at the beginning of 2010 to advise entities on the powerful impact of information governance on their day to day operations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 60 contacts → | ||||
Indirect evidence “Many organisations are dealing with multiple frameworks, overlapping tools, disconnected ownership, and increasing pressure from regulators, customers, and boards.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 59 contacts → | ||||
Strong evidence “GoTrust empowers businesses to manage data with ease, ensuring global privacy compliance and maximizing customer trust.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 58 contacts → | ||||
Strong evidence “At Wrangu we understand the challenges our clients face around data privacy management, security, governance, risk and compliance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 55 contacts → | ||||
Strong evidence “VeraSafe’s mission is to provide the world’s best privacy and data protection advice, with a human touch.” 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 privacy advisory services. 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 privacy advisory services.
- Partial evidence
- Its own public description names part of data privacy advisory services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name data privacy advisory services. 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 4,180 data privacy advisory services worldwide
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Data privacy advisory services 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 privacy advisory 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 data privacy advisory services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “data privacy advisory 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 data privacy advisory 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 data privacy advisory 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, 5,573 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 privacy advisory services by location
24 lists · largest firstEvery 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
- Data privacy advisory services based in Germany564
- Data privacy advisory services based in the United States378
- Data privacy advisory services based in Brazil347
- Data privacy advisory services based in the United Kingdom299
- Data privacy advisory services based in Spain288
- Data privacy advisory services based in France233
- Data privacy advisory services based in Italy229
- Data privacy advisory services based in the Netherlands196
- Data privacy advisory services based in Poland97
- Data privacy advisory services based in India84
- Data privacy advisory services based in Belgium70
- Data privacy advisory services based in Switzerland64
- Data privacy advisory services based in Canada61
- Data privacy advisory services based in Türkiye52
- Data privacy advisory services based in Ireland45
- Data privacy advisory services based in Austria36
- Data privacy advisory services based in Australia33
- Data privacy advisory services based in Denmark32
- Data privacy advisory services based in Romania31
- Data privacy advisory services based in Sweden28
- Data privacy advisory services based in Singapore26
- Data privacy advisory services based in South Africa26
Cities
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 privacy advisory 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 data privacy advisory services are there worldwide?
RevenueBase identified 4,180 data privacy advisory 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?
Haystackid, headquartered in Chicago, tops this list with the largest team on record.
Which country has the most data privacy advisory services?
Germany leads with 564 companies, followed by the United States (378) and Brazil (347). 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 113 headquartered companies, followed by Sao Paulo (104) and Paris (65).
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 5,573 verified decision-maker contacts tracked across these 4,180 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.