Company lists · Data refreshed September 2026

Top 25 Incident response law firms based in the United Kingdom

Name: Incident response law firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 80 companies tracked

RevenueBase identified 80 company matches for incident response law firms associated with the United Kingdom as of September 2026 and tracks 752 professional contacts across them, including 272 with verified work emails. London is the largest hub.

This list covers company matches for incident response law firms associated with the United Kingdom, 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 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

80Companies

752Contacts tracked

272Verified emails

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The 25 largest incident response law firms based in the United Kingdom

Ranked by team size

Top 25 of 80 company matches for incident response law firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Foregenix	Exact match	Swindon, United KingdomHQ recorded Sep 28, 2026	51-200	80 contacts →
	Exact match “When your business relies on security, compliance and a strong reputation for taking care of your customers, you need a partner that understands your ethos, your challenges and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Adarma Security	Exact match	Edinburgh, United KingdomHQ recorded Sep 28, 2026	201-500	51 contacts →
	Exact match “We are Adarma, independent leaders in detection and response services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Core To Cloud	Exact match	Cirencester, United KingdomHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “We help organisations understand, optimise, and strengthen their cybersecurity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Mitigo Group	Exact match	Cheadle, United KingdomHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “Mitigo Group keeps professional services firms safe from cyberattack and operationally resilient.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Procheckup PCU	Exact match	Portsmouth, United KingdomHQ recorded Sep 28, 2026	11-50	29 contacts →
	Exact match “Imagine a world where cyber threats are simply another challenge that you're fully equipped to handle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	AMR Cybersecurity	Exact match	Cheltenham, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “AMR CyberSecurity delivers next generation cyber security services to assist organisations across a wide variety of sectors in understanding potential threats and effectively…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Blackfoot Cybersecurity	Exact match	Welwyn Garden City, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “For the past 17 years, we have been successfully empowering our clients to protect their business from cyber-threats and comply with industry standards and regulations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	KLS LAW	Exact match	Warrington, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “KLS Law is a trusted UK law firm with over 25 years of collective legal expertise, delivering practical, results-driven advice to individuals, businesses, insurers, and public…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	3b Data Security	Exact match	Cambridge, United KingdomHQ recorded Sep 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
10	Sinevis	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Aequitas Legal Solicitors Limited	Exact match	Stretford, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Vision:"Making Compensation Claims Easy giving Reliable, Accessible and Friendly Advice"."We exist to right a wrong.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Asceris	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
13	First Response	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “First Response is a London based specialist cybersecurity, cyber incident response and digital investigation company that helps organisations navigate the complex issues…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Koncise	Exact match	Borehamwood, United KingdomHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “Award-winning cybersecurity partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Clayden LAW	Exact match	Oxford, United KingdomHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Clayden Law is a leading, specialist information technology, data privacy and cybersecurity law firm in the Thames Valley.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Hayes Connor Solicitors	Exact match	Widnes, United KingdomHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Expert data protection and cybercrime solicitors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	The Abedgraham Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “The AbedGraham Group is one of Europe’s most sought after audit, executive liability and crisis communications conglomerates specialising in fields including clinical safety…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Moore Clearcomm	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	6 contacts →
	Exact match “Moore ClearComm, part of Moore Kingston Smith, is a leading professional services firm and listed within the top 10* accountants and business advisers within the UK.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Quadprime	Exact match	City Of London, United KingdomHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Quadprime, part of Complyport, specialises in operational resilience, incident response, cybersecurity and data protection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Rexel Cybersecurity	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “At Rexel Cyber we help businesses fight the constant threat of cyber attack and data breach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Forensic Control	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Forensic Control is a London-based cyber security consultancy, founded in 2008 and an authorised IASME Cyber Essentials Certification Body.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Defence Logic Limited	Exact match	Jersey, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Defence Logic is a UK-based cybersecurity consultancy helping organisations protect critical systems, meet regulatory requirements, and respond effectively to cyber threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Outbreach	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	2 contacts →
	Exact match “As a specialist cyber response service, we are experts in our field, trusted when it really matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Invitise LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “invitise - Cyber Security Capability Partner We embed with your team to deliver Security Architecture, SOC, Security Engineering, Threat Intelligence, Incident Response and Cyber…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Netscylla Cyber Security LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Netscylla Cyber Security is a small start-up providing cyber security expertise, specialising in cyber security, offensive security, incident response and consultancy.” Recorded in the RevenueBase company graph · Sep 28, 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 law 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 80 incident response law firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 272 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Incident response law firms based in the United Kingdom at a glance

As of Sep 28, 2026

36.2%Verified-email coverage

9.4Average contacts per company

1-10Median size (employees)

42.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 80 companies.

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.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “incident response law 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 272 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 28, 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 law firms by metro

Incident response law firms in London34

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 law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many incident response law firms are there based in the United Kingdom?

RevenueBase identified 80 company matches for incident response law firms associated with the United Kingdom 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?

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

Which city has the most incident response law firms?

London leads with 34 company records, followed by Manchester (5) and Cheltenham (3).

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 272 professional contacts with verified work emails tracked across these 80 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 28, 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.