Company lists · Data refreshed November 2026
Top 25 Incident response retainer firms worldwide
RevenueBase identified 1,604 company matches for incident response retainer firms worldwide as of November 2026 and tracks 22,268 professional contacts across them, including 8,150 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for incident response retainer firms 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 incident response retainer firms 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 incident response retainer firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,346 contacts → | ||||
Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 755 contacts → | ||||
Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 687 contacts → | ||||
Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 558 contacts → | ||||
Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 510 contacts → | ||||
Exact match “Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 496 contacts → | ||||
Exact match “Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 411 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 360 contacts → | ||||
Exact match “Prevent Breach & Minimize Impact” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 341 contacts → | ||||
Exact match “NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 277 contacts → | ||||
Exact match “Founded in 1976, Ceres Environmental Services, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 267 contacts → | ||||
Exact match “GM Sectec is a multi-national organization laser focused on cyber defense, advisory and fraud prevention.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 247 contacts → | ||||
Exact match “Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 243 contacts → | ||||
Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 225 contacts → | ||||
Exact match “In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 198 contacts → | ||||
Exact match “Global Cyber Certainty Champions, in an uncertain digital world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 190 contacts → | ||||
Exact match “With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 190 contacts → | ||||
Exact match “SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 180 contacts → | ||||
Exact match “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 170 contacts → | ||||
Exact match “Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 169 contacts → | ||||
Exact match “Armor is a global leader in cloud-native managed detection and response.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 163 contacts → | ||||
Exact match “Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 151 contacts → | ||||
Exact match “nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 150 contacts → | ||||
Exact match “cyber security incident response and disaster recovery; issuing advisories, guidelines, security alerts, vulnerability notes, security bulletins, trends & analysis reports for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 146 contacts → | ||||
Exact match “Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 143 contacts → | ||||
Exact match “ADEO Cyber Security is a trusted cybersecurity partner enabling organizations to build resilient, proactive, and continuous cyber defense capabilities.” Recorded in the RevenueBase company graph · Nov 6, 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 “incident response retainer firms”. 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 1,604 incident response retainer firms worldwide
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Incident response retainer firms worldwide at a glance
As of Nov 6, 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 incident response retainer firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “incident response retainer firms” 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 8,150 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.
Incident response retainer firms by location
11 lists · largest firstEvery Incident response retainer firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Incident response retainer firms based in the United States466
- Incident response retainer firms based in India107
- Incident response retainer firms based in the United Kingdom103
- Incident response retainer firms based in Canada61
- Incident response retainer firms based in France52
- Incident response retainer firms based in Australia49
- Incident response retainer firms based in Germany36
- Incident response retainer firms based in Brazil34
- Incident response retainer firms based in Israel29
- Incident response retainer firms based in the United Arab Emirates26
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 “incident response retainer firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many incident response retainer firms are there worldwide?
RevenueBase identified 1,604 company matches for incident response retainer firms 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?
Guidepoint Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most incident response retainer firms?
The United States leads with 466 companies, followed by India (107) and the United Kingdom (103). Every incident response retainer firms list by country and city is linked on this page.
Which city has the most incident response retainer firms?
London leads with 50 company records, followed by Chicago (17) and Paris (17).
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 8,150 professional contacts with verified work emails tracked across these 1,604 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.
More company lists
Company intelligence · public preview
Top 25 incident response retainer firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,604 matching company records for incident response retainer firms worldwide, with 22,268 tracked contacts and 8,150 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: November 6, 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 incident response retainer firms 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 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SISAsisa.aiHQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  I-Tracingi-tracing.comHQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 687 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  own.securityown.securityHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 558 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Palo Alto Networks Unit 42paloaltonetworks.comHQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 510 contacts → |
“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ARETEareteir.comHQ: Boca Raton, United StatesReported employees: 201-500 | Boca Raton, United States | 201-500 | Exact match | 496 contacts → |
“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SK Shieldusskshieldus.comHQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 411 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Truesectruesec.comHQ: SwedenReported employees: 201-500 | Sweden | 201-500 | Exact match | 360 contacts → |
“Prevent Breach & Minimize Impact” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nviso Securitynviso.euHQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 341 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ceres Environmental Services, INCceresenv.comHQ: Sarasota, CA, United StatesReported employees: 201-500 | Sarasota, CA, United States | 201-500 | Exact match | 277 contacts → |
“Founded in 1976, Ceres Environmental Services, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  GM Sectecgmsectec.comHQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 267 contacts → |
“GM Sectec is a multi-national organization laser focused on cyber defense, advisory and fraud prevention.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sygniasygnia.coHQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 247 contacts → |
“Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Lumifilumificyber.comHQ: Scottsdale, AZ, United StatesReported employees: 51-200 | Scottsdale, AZ, United States | 51-200 | Exact match | 243 contacts → |
“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sattrix Information Securitysattrix.comHQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 225 contacts → |
“In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cypfercypfer.comHQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 198 contacts → |
“Global Cyber Certainty Champions, in an uncertain digital world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Deepseasdeepseas.comHQ: Globally Distributed, United StatesReported employees: 201-500 | Globally Distributed, United States | 201-500 | Exact match | 190 contacts → |
“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Safeaeon INCsafeaeon.comHQ: Pleasanton, United StatesReported employees: 51-200 | Pleasanton, United States | 51-200 | Exact match | 190 contacts → |
“SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Mindpoint Group, A Quantum SKY Companymindpointgroup.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 180 contacts → |
“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Deepcytes Cyber Labs UKdeepcytes.ioHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 170 contacts → |
“Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Armor Defensearmor.comHQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 169 contacts → |
“Armor is a global leader in cloud-native managed detection and response.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Beazley Securitybeazley.securityHQ: West Hartford, CT, United StatesReported employees: 51-200 | West Hartford, CT, United States | 51-200 | Exact match | 163 contacts → |
“Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Nuharbornuharbor.comHQ: Colchester, DC, United StatesReported employees: 51-200 | Colchester, DC, United States | 51-200 | Exact match | 151 contacts → |
“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cert-Incert-in.org.inHQ: New Delhi, IndiaReported employees: 11-50 | New Delhi, India | 11-50 | Exact match | 150 contacts → |
“cyber security incident response and disaster recovery; issuing advisories, guidelines, security alerts, vulnerability notes, security bulletins, trends & analysis reports for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Netsecuritynetsecurity.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 146 contacts → |
“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Adeo Cyber Securityadeosecurity.comHQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 143 contacts → |
“ADEO Cyber Security is a trusted cybersecurity partner enabling organizations to build resilient, proactive, and continuous cyber defense capabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,604 company matches
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Incident response retainer firms: dataset insights
November 6, 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
1,601 records in the displayed employee bands.
3 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 1,604 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: November 6, 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 ↗
Incident response retainer firms by location
11 lists · largest firstEvery Incident response retainer firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Incident response retainer firms based in the United States466
- Incident response retainer firms based in India107
- Incident response retainer firms based in the United Kingdom103
- Incident response retainer firms based in Canada61
- Incident response retainer firms based in France52
- Incident response retainer firms based in Australia49
- Incident response retainer firms based in Germany36
- Incident response retainer firms based in Brazil34
- Incident response retainer firms based in Israel29
- Incident response retainer firms based in the United Arab Emirates26
Cities
Questions about this company list
What does Exact match mean for incident response retainer firms?
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 incident response retainer firms did RevenueBase find worldwide?
The saved snapshot records 1,604 matching company records, 22,268 tracked contacts and 8,150 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: November 6, 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 incident response retainer firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/incident-response-retainer-firms.
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 incident response retainer firms worldwide
RevenueBase records 1,604 matching company records for incident response retainer firms worldwide, with 22,268 tracked contacts and 8,150 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: November 6, 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 incident response retainer firms 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 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SISAsisa.ai HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | I-Tracingi-tracing.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 687 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | own.securityown.security HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 558 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Palo Alto Networks Unit 42paloaltonetworks.com HQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 510 contacts → |
“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ARETEareteir.com HQ: Boca Raton, United StatesReported employees: 201-500 | Boca Raton, United States | 201-500 | Exact match | 496 contacts → |
“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SK Shieldusskshieldus.com HQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 411 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Truesectruesec.com HQ: SwedenReported employees: 201-500 | Sweden | 201-500 | Exact match | 360 contacts → |
“Prevent Breach & Minimize Impact” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nviso Securitynviso.eu HQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 341 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ceres Environmental Services, INCceresenv.com HQ: Sarasota, CA, United StatesReported employees: 201-500 | Sarasota, CA, United States | 201-500 | Exact match | 277 contacts → |
“Founded in 1976, Ceres Environmental Services, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GM Sectecgmsectec.com HQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 267 contacts → |
“GM Sectec is a multi-national organization laser focused on cyber defense, advisory and fraud prevention.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sygniasygnia.co HQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 247 contacts → |
“Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lumifilumificyber.com HQ: Scottsdale, AZ, United StatesReported employees: 51-200 | Scottsdale, AZ, United States | 51-200 | Exact match | 243 contacts → |
“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sattrix Information Securitysattrix.com HQ: Ahmedabad, IndiaReported employees: 201-500 | Ahmedabad, India | 201-500 | Exact match | 225 contacts → |
“In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cypfercypfer.com HQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 198 contacts → |
“Global Cyber Certainty Champions, in an uncertain digital world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Deepseasdeepseas.com HQ: Globally Distributed, United StatesReported employees: 201-500 | Globally Distributed, United States | 201-500 | Exact match | 190 contacts → |
“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Safeaeon INCsafeaeon.com HQ: Pleasanton, United StatesReported employees: 51-200 | Pleasanton, United States | 51-200 | Exact match | 190 contacts → |
“SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mindpoint Group, A Quantum SKY Companymindpointgroup.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 180 contacts → |
“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Deepcytes Cyber Labs UKdeepcytes.io HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 170 contacts → |
“Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Armor Defensearmor.com HQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 169 contacts → |
“Armor is a global leader in cloud-native managed detection and response.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Beazley Securitybeazley.security HQ: West Hartford, CT, United StatesReported employees: 51-200 | West Hartford, CT, United States | 51-200 | Exact match | 163 contacts → |
“Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nuharbornuharbor.com HQ: Colchester, DC, United StatesReported employees: 51-200 | Colchester, DC, United States | 51-200 | Exact match | 151 contacts → |
“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cert-Incert-in.org.in HQ: New Delhi, IndiaReported employees: 11-50 | New Delhi, India | 11-50 | Exact match | 150 contacts → |
“cyber security incident response and disaster recovery; issuing advisories, guidelines, security alerts, vulnerability notes, security bulletins, trends & analysis reports for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Netsecuritynetsecurity.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 146 contacts → |
“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Adeo Cyber Securityadeosecurity.com HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 143 contacts → |
“ADEO Cyber Security is a trusted cybersecurity partner enabling organizations to build resilient, proactive, and continuous cyber defense capabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Incident response retainer firms: dataset insights
November 6, 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
1,601 records in the displayed employee bands.
3 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 1,604 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: November 6, 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 ↗
Incident response retainer firms by location
11 lists · largest firstEvery Incident response retainer firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Incident response retainer firms based in the United States466
- Incident response retainer firms based in India107
- Incident response retainer firms based in the United Kingdom103
- Incident response retainer firms based in Canada61
- Incident response retainer firms based in France52
- Incident response retainer firms based in Australia49
- Incident response retainer firms based in Germany36
- Incident response retainer firms based in Brazil34
- Incident response retainer firms based in Israel29
- Incident response retainer firms based in the United Arab Emirates26
Cities
Questions about this company list
What does Exact match mean for incident response retainer firms?
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 incident response retainer firms did RevenueBase find worldwide?
The saved snapshot records 1,604 matching company records, 22,268 tracked contacts and 8,150 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: November 6, 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 incident response retainer firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/incident-response-retainer-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗