Company lists · Data refreshed November 2026

Top 25 Encryption consulting services based in the United Kingdom

RevenueBase identified 144 company matches for encryption consulting services associated with the United Kingdom as of November 2026 and tracks 615 professional contacts across them, including 218 with verified work emails. London is the largest hub.

This list covers company matches for encryption consulting services 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 November 6, 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 Nov 6, 2026 How this list was built
144Companies
615Contacts tracked
218Verified emails
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The 25 largest encryption consulting services based in the United Kingdom

Ranked by team size
Top 25 of 144 company matches for encryption consulting services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“We provide deep expertise with technical and business specialists to help clients secure and protect the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSt. Albans, United KingdomHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Advanced three-layer, identity based encryption ensures your data and communications stay protected, inside and outside your network.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBristol, United KingdomHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“We help Defence, Government and highly regulated organisations solve complex cyber security and information assurance challenges, from Secure by Design and security architecture…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAltrincham, United KingdomHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Based in Manchester UK, we are an independent Cyber Security Consultancy providing Security services across a wide range of markets, from multi-national Corporate Organisations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Our overarching aim is to safeguard your information so that you can focus on taking your business where you want it to go.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWellington, United KingdomHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Liverton Security is a trusted cybersecurity provider specialising in secure email solutions and information security consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSheffield, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Hawsons Data Protection & Cyber Security Limited (formerly Bruce & Butler Limited) are your partners in Data Protection & Cyber Security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“At 2|SEC Consulting, we deliver an end-to-end service of cyber and information security solutions which are tailored to each client’s exact security needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchReading, United KingdomHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“Bytes Security Partnerships (BSP), part of the Bytes Technology Group, was set up in to help IT Managers, Network Managers and Heads of IT Security achieve business advantage from…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBelper, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Cyber1st is a research and development company based out of Belper, Derbyshire, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Simplified Solutions protects organisation’s most valuable asset – Financial, Customer, Employee and Transactional Data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBloxham, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“We don't just protect your data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCheltenham, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“KEYSIGMA is a specialist cyber security consultancy and certification body based in Cheltenham.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Criticalis are network security specialists providing expertise through professional services and robust innovative managed services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Your data is one of your most valuable, and most vulnerable, assets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Krestfield is a UK-based provider of enterprise-grade PKI and certificate management software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOxford, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“ID-3 is an Oxford-based data security consultancy, software developer and specialist hardware reseller.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWolverhampton, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Offering Network Security Consultancy and Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHp19 8hl, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“WE DO NOT EMPLOY FREELANCERS Our solutions deliver Data Protection for businesses of all sizes, from our fully Managed IT Security and Support Service for the smaller entities who…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGuildford, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Identity9 provides strategic consulting and managed services to both enterprise business and cyber insurance providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Information Security and Data Protection consultancy providing Virtual CISO, security reviews, assessments, training, Data Protection as a Service (DPaaS) and knowledge transfer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Data privacy that's effective.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Essential Security is a unique company in that we offer a specialised and confidential service meeting your bespoke technological and communications requirements.”

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

Showing 25 of 144 encryption consulting services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 218 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Encryption consulting services based in the United Kingdom at a glance

As of Nov 6, 2026
35.4%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
44.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
101
11-50
32
51-200
8
501-1,000
1

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 144 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 “encryption consulting 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. 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 218 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.

Encryption consulting services by metro

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 “encryption consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many encryption consulting services are there based in the United Kingdom?

RevenueBase identified 144 company matches for encryption consulting services associated with the United Kingdom 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?

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

Which city has the most encryption consulting services?

London leads with 64 company records, followed by Bristol (4) 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 218 professional contacts with verified work emails tracked across these 144 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.