Company lists · Data refreshed September 2026
Top 25 Data breach notification services worldwide
RevenueBase identified 238 company matches for data breach notification services worldwide as of September 2026 and tracks 1,765 professional contacts across them, including 678 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for data breach notification 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 September 19, 2026. Country and city lists for data breach notification 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.
The 25 largest data breach notification services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 213 contacts → | ||||
Exact match “Founded by John F.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 137 contacts → | ||||
Exact match “Solis is a leading provider of managed cyber security services and cyber incident response.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 47 contacts → | ||||
Exact match “DCIT Conseil, société de services de consultation spécialisée dans la cybersécurité et les technologies de l'information.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 44 contacts → | ||||
Exact match “We're a full-service agency that helps organizations globally with their Cybersecurity, Data Protection, and Compliance requirements.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 42 contacts → | ||||
Exact match “ITPSS Sdn Bhd offers various specialised information security and cyber security services including Incident Response and Handling, Managed Security Services (MSS), Penetration…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 37 contacts → | ||||
Exact match “Identity Care Australia and New Zealand Limited (IDCARE) is not-for-profit charity and support service for data breaches and cyber incidents.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 35 contacts → | ||||
Exact match “To provide the best information security services to its valued clients, Enterprise InfoSec Consultants (EIC) started its journey in 2016.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 31 contacts → | ||||
Exact match “Profero provides breach readiness and rapid response services through a predictable subscription model.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 31 contacts → | ||||
Exact match “INFORC ECUADOR® es una compañía 100% ecuatoriana con vigencia desde el año 2005.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 25 contacts → | ||||
Exact match “A DataGuide ajuda empresas a transformar Proteção de Dados, Segurança da Informação e Compliance em vantagem competitiva, não em custo regulatório.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 25 contacts → | ||||
Exact match “Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 22 contacts → | ||||
Exact match “ComCERT SA, jedyna w Polsce, specjalizuje się w oferowaniu pomocy dla Administratorów IT/zespołów bezpieczeństwa w czasie i po ataku cyberprzestępczym (tzw.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 21 contacts → | ||||
Exact match “Digital Forensics, Incident Response & Data Breach Management Services 3B Data Security is an approved PCI SSC PCI Forensic Investigator (PFI) and Qualified Security Assessor…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 19 contacts → | ||||
Exact match “Ihr zuverlässiger Partner für Consulting, Training und Services im Bereich Datenschutz und Informationssicherheit.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 19 contacts → | ||||
Exact match “Somos una Consultoría especializada en Protección de Datos y Seguridad de la Información.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match “PrivacyHawk is an all-in-one personal data protection service for consumers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 17 contacts → | ||||
Exact match “NetDiligence® is a Cyber Risk Assessment and Data Breach Services company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 17 contacts → | ||||
Exact match “FIRST PRIVACY is member of the DSN GROUP – a leading provider of services for the management and assessment of corporate data protection.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “NXG Strategies, LLC, founded in 2005, is a pioneer in consumer identity investigation and remediation and an innovative designer and manufacturer of needs-based, identity fraud…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “We're here to keep your data secure.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “Somos una empresa especializada en área de la protección de datos personales y seguridad de los sistemas de la información.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 11 contacts → | ||||
Exact match “Octillo is one of the few law firms in the country focused exclusively on data security and privacy, incident response, and litigation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “From our diverse backgrounds in cyber incident response, forensic investigations, automation, data science and cyber insurance, we have a unique perspective on how to improve…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “CyberCure is a boutique cyber security and privacy consultancy based in Wellington, NZ.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “data breach notification services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 238 data breach notification services worldwide
See the full list, filter by size, metro and specialty, and access 678 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Data breach notification 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
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 breach notification services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “data breach notification 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 678 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 September 19, 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 breach notification services by location
2 lists · largest firstEvery Data breach notification 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 breach notification services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many data breach notification services are there worldwide?
RevenueBase identified 238 company matches for data breach notification services worldwide as of September 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?
Mullen Coughlin LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most data breach notification services?
The United States leads with 60 companies, followed by Germany (25). Every data breach notification services list by country and city is linked on this page.
Which city has the most data breach notification services?
London leads with 9 company records, followed by Paris (5) and Sao Paulo (5).
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 678 professional contacts with verified work emails tracked across these 238 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 238 data breach notification services worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 data breach notification services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 238 matching company records for data breach notification services worldwide, with 1,765 tracked contacts and 678 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 data breach notification services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Mullen Coughlin LLCmullen.lawHQ: Devon, PA, United StatesReported employees: 201-500 | Devon, PA, United States | 201-500 | Exact match | 213 contacts → |
“Founded by John F.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SOLISsolissecurity.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 137 contacts → |
“Solis is a leading provider of managed cyber security services and cyber incident response.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Dcit Conseildcitconseil.comHQ: Sene, FranceReported employees: Not recorded | Sene, France | Not recorded | Exact match | 47 contacts → |
“DCIT Conseil, société de services de consultation spécialisée dans la cybersécurité et les technologies de l'information.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Allendevaux & Companyallendevaux.comHQ: Dayton, OH, United StatesReported employees: 11-50 | Dayton, OH, United States | 11-50 | Exact match | 44 contacts → |
“We're a full-service agency that helps organizations globally with their Cybersecurity, Data Protection, and Compliance requirements.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Bandar Seri Begawan, Brunei DarussalamReported employees: 51-200 | Bandar Seri Begawan, Brunei Darussalam | 51-200 | Exact match | 42 contacts → |
“ITPSS Sdn Bhd offers various specialised information security and cyber security services including Incident Response and Handling, Managed Security Services (MSS), Penetration…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  BDO Cyber Security Gmbhbdosecurity.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Idcareidcare.org HQ: Caloundra, AustraliaReported employees: 51-200 | Caloundra, Australia | 51-200 | Exact match | 37 contacts → |
“Identity Care Australia and New Zealand Limited (IDCARE) is not-for-profit charity and support service for data breaches and cyber incidents.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enterprise Infosec Consultants EICeic.com.bd HQ: Dhaka, BangladeshReported employees: 11-50 | Dhaka, Bangladesh | 11-50 | Exact match | 35 contacts → |
“To provide the best information security services to its valued clients, Enterprise InfoSec Consultants (EIC) started its journey in 2016.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Proferoprofero.io HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 31 contacts → |
“Profero provides breach readiness and rapid response services through a predictable subscription model.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Inforc Ecuadorinforc.latHQ: Quito, EcuadorReported employees: 11-50 | Quito, Ecuador | 11-50 | Exact match | 31 contacts → |
“INFORC ECUADOR® es una compañía 100% ecuatoriana con vigencia desde el año 2005.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Dataguidedataguide.com.brHQ: Florianópolis, BrazilReported employees: 11-50 | Florianópolis, Brazil | 11-50 | Exact match | 25 contacts → |
“A DataGuide ajuda empresas a transformar Proteção de Dados, Segurança da Informação e Compliance em vantagem competitiva, não em custo regulatório.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Five Ninesfive9s.frHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 25 contacts → |
“Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Comcert SAcomcert.plHQ: Warszawa, PolandReported employees: 11-50 | Warszawa, Poland | 11-50 | Exact match | 22 contacts → |
“ComCERT SA, jedyna w Polsce, specjalizuje się w oferowaniu pomocy dla Administratorów IT/zespołów bezpieczeństwa w czasie i po ataku cyberprzestępczym (tzw.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  3b Data Security3bdatasecurity.comHQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Digital Forensics, Incident Response & Data Breach Management Services 3B Data Security is an approved PCI SSC PCI Forensic Investigator (PFI) and Qualified Security Assessor…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Audatis Groupaudatis.deHQ: Herford, GermanyReported employees: 11-50 | Herford, Germany | 11-50 | Exact match | 19 contacts → |
“Ihr zuverlässiger Partner für Consulting, Training und Services im Bereich Datenschutz und Informationssicherheit.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  DATAXdatax.esHQ: Mataró, SpainReported employees: 11-50 | Mataró, Spain | 11-50 | Exact match | 19 contacts → |
“Somos una Consultoría especializada en Protección de Datos y Seguridad de la Información.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Privacyhawkprivacyhawk.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 18 contacts → |
“PrivacyHawk is an all-in-one personal data protection service for consumers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Netdiligencenetdiligence.comHQ: Gladwyne, PA, United StatesReported employees: 1-10 | Gladwyne, PA, United States | 1-10 | Exact match | 17 contacts → |
“NetDiligence® is a Cyber Risk Assessment and Data Breach Services company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  First Privacydsn-group.comHQ: Bremen, GermanyReported employees: 11-50 | Bremen, Germany | 11-50 | Exact match | 17 contacts → |
“FIRST PRIVACY is member of the DSN GROUP – a leading provider of services for the management and assessment of corporate data protection.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NXG Strategies, LLCnxgstrategies.com HQ: Franklin, TN, United StatesReported employees: 11-50 | Franklin, TN, United States | 11-50 | Exact match | 13 contacts → |
“NXG Strategies, LLC, founded in 2005, is a pioneer in consumer identity investigation and remediation and an innovative designer and manufacturer of needs-based, identity fraud…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Privsec Consultingprivsec.nzHQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 12 contacts → |
“We're here to keep your data secure.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Legintech S.A.Slegintech.comHQ: Bogota D.c., ColombiaReported employees: 1-10 | Bogota D.c., Colombia | 1-10 | Exact match | 12 contacts → |
“Somos una empresa especializada en área de la protección de datos personales y seguridad de los sistemas de la información.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Octillooctillolaw.comHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 11 contacts → |
“Octillo is one of the few law firms in the country focused exclusively on data security and privacy, incident response, and litigation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ascerisasceris.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“From our diverse backgrounds in cyber incident response, forensic investigations, automation, data science and cyber insurance, we have a unique perspective on how to improve…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cybercure LTDcybercure.co.nzHQ: Wellington, New ZealandReported employees: 1-10 | Wellington, New Zealand | 1-10 | Exact match | 11 contacts → |
“CyberCure is a boutique cyber security and privacy consultancy based in Wellington, NZ.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 238 company matches
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Data breach notification services: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
236 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 238 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Data breach notification services by location
2 lists · largest firstEvery Data breach notification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for data breach notification services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many data breach notification services did RevenueBase find worldwide?
The saved snapshot records 238 matching company records, 1,765 tracked contacts and 678 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 data breach notification services worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/data-breach-notification-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 data breach notification services worldwide
RevenueBase records 238 matching company records for data breach notification services worldwide, with 1,765 tracked contacts and 678 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 data breach notification services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Mullen Coughlin LLCmullen.law HQ: Devon, PA, United StatesReported employees: 201-500 | Devon, PA, United States | 201-500 | Exact match | 213 contacts → |
“Founded by John F.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SOLISsolissecurity.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 137 contacts → |
“Solis is a leading provider of managed cyber security services and cyber incident response.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dcit Conseildcitconseil.com HQ: Sene, FranceReported employees: Not recorded | Sene, France | Not recorded | Exact match | 47 contacts → |
“DCIT Conseil, société de services de consultation spécialisée dans la cybersécurité et les technologies de l'information.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Allendevaux & Companyallendevaux.com HQ: Dayton, OH, United StatesReported employees: 11-50 | Dayton, OH, United States | 11-50 | Exact match | 44 contacts → |
“We're a full-service agency that helps organizations globally with their Cybersecurity, Data Protection, and Compliance requirements.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Bandar Seri Begawan, Brunei DarussalamReported employees: 51-200 | Bandar Seri Begawan, Brunei Darussalam | 51-200 | Exact match | 42 contacts → |
“ITPSS Sdn Bhd offers various specialised information security and cyber security services including Incident Response and Handling, Managed Security Services (MSS), Penetration…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BDO Cyber Security Gmbhbdosecurity.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Idcareidcare.org HQ: Caloundra, AustraliaReported employees: 51-200 | Caloundra, Australia | 51-200 | Exact match | 37 contacts → |
“Identity Care Australia and New Zealand Limited (IDCARE) is not-for-profit charity and support service for data breaches and cyber incidents.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enterprise Infosec Consultants EICeic.com.bd HQ: Dhaka, BangladeshReported employees: 11-50 | Dhaka, Bangladesh | 11-50 | Exact match | 35 contacts → |
“To provide the best information security services to its valued clients, Enterprise InfoSec Consultants (EIC) started its journey in 2016.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Proferoprofero.io HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 31 contacts → |
“Profero provides breach readiness and rapid response services through a predictable subscription model.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Inforc Ecuadorinforc.lat HQ: Quito, EcuadorReported employees: 11-50 | Quito, Ecuador | 11-50 | Exact match | 31 contacts → |
“INFORC ECUADOR® es una compañía 100% ecuatoriana con vigencia desde el año 2005.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dataguidedataguide.com.br HQ: Florianópolis, BrazilReported employees: 11-50 | Florianópolis, Brazil | 11-50 | Exact match | 25 contacts → |
“A DataGuide ajuda empresas a transformar Proteção de Dados, Segurança da Informação e Compliance em vantagem competitiva, não em custo regulatório.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Five Ninesfive9s.fr HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 25 contacts → |
“Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Comcert SAcomcert.pl HQ: Warszawa, PolandReported employees: 11-50 | Warszawa, Poland | 11-50 | Exact match | 22 contacts → |
“ComCERT SA, jedyna w Polsce, specjalizuje się w oferowaniu pomocy dla Administratorów IT/zespołów bezpieczeństwa w czasie i po ataku cyberprzestępczym (tzw.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 3b Data Security3bdatasecurity.com HQ: Cambridge, United KingdomReported employees: 11-50 | Cambridge, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Digital Forensics, Incident Response & Data Breach Management Services 3B Data Security is an approved PCI SSC PCI Forensic Investigator (PFI) and Qualified Security Assessor…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Audatis Groupaudatis.de HQ: Herford, GermanyReported employees: 11-50 | Herford, Germany | 11-50 | Exact match | 19 contacts → |
“Ihr zuverlässiger Partner für Consulting, Training und Services im Bereich Datenschutz und Informationssicherheit.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DATAXdatax.es HQ: Mataró, SpainReported employees: 11-50 | Mataró, Spain | 11-50 | Exact match | 19 contacts → |
“Somos una Consultoría especializada en Protección de Datos y Seguridad de la Información.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Privacyhawkprivacyhawk.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 18 contacts → |
“PrivacyHawk is an all-in-one personal data protection service for consumers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Netdiligencenetdiligence.com HQ: Gladwyne, PA, United StatesReported employees: 1-10 | Gladwyne, PA, United States | 1-10 | Exact match | 17 contacts → |
“NetDiligence® is a Cyber Risk Assessment and Data Breach Services company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | First Privacydsn-group.com HQ: Bremen, GermanyReported employees: 11-50 | Bremen, Germany | 11-50 | Exact match | 17 contacts → |
“FIRST PRIVACY is member of the DSN GROUP – a leading provider of services for the management and assessment of corporate data protection.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NXG Strategies, LLCnxgstrategies.com HQ: Franklin, TN, United StatesReported employees: 11-50 | Franklin, TN, United States | 11-50 | Exact match | 13 contacts → |
“NXG Strategies, LLC, founded in 2005, is a pioneer in consumer identity investigation and remediation and an innovative designer and manufacturer of needs-based, identity fraud…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Privsec Consultingprivsec.nz HQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 12 contacts → |
“We're here to keep your data secure.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Legintech S.A.Slegintech.com HQ: Bogota D.c., ColombiaReported employees: 1-10 | Bogota D.c., Colombia | 1-10 | Exact match | 12 contacts → |
“Somos una empresa especializada en área de la protección de datos personales y seguridad de los sistemas de la información.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Octillooctillolaw.com HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 11 contacts → |
“Octillo is one of the few law firms in the country focused exclusively on data security and privacy, incident response, and litigation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ascerisasceris.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“From our diverse backgrounds in cyber incident response, forensic investigations, automation, data science and cyber insurance, we have a unique perspective on how to improve…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cybercure LTDcybercure.co.nz HQ: Wellington, New ZealandReported employees: 1-10 | Wellington, New Zealand | 1-10 | Exact match | 11 contacts → |
“CyberCure is a boutique cyber security and privacy consultancy based in Wellington, NZ.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 238 company matches
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Data breach notification services: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
236 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 238 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Data breach notification services by location
2 lists · largest firstEvery Data breach notification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for data breach notification services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many data breach notification services did RevenueBase find worldwide?
The saved snapshot records 238 matching company records, 1,765 tracked contacts and 678 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 data breach notification services worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/data-breach-notification-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗