Company lists · Data refreshed September 2026
Top 20 Cybersecurity venture capital firms based in London, United Kingdom
RevenueBase identified 49 company matches for cybersecurity venture capital firms associated with London, United Kingdom as of September 2026 and tracks 272 professional contacts across them, including 120 with verified work emails and 29 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for cybersecurity venture capital firms associated with London, 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 10, 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.
The 20 largest cybersecurity venture capital firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 39 contacts → | ||||
Exact match “Since 1997, Amadeus Capital Partners has backed more than 200 pioneering companies and raised over $1.3 billion to fuel their growth.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 2 | 32 contacts → | ||||
Exact match “Your partner in cyber security talent, investment and events.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 3 | 24 contacts → | ||||
Exact match “C5 Capital is a specialist Venture Capital Firm focused on cybersecurity, space and energy security.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 4 | 21 contacts → | ||||
Exact match “Secure.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 5 | 16 contacts → | ||||
Exact match “Barefoot Cyber is the strategic partner for senior leaders who recognize that a cybersecurity attack is not just a technical failure, but a direct threat to their revenue…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match “Our Mission at Silicon Roundabout Ventures (SRV) is to back entrepreneurs who are to shape the next-generation of technology and to provide superior returns to our investors…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 7 | 11 contacts → | ||||
Exact match “Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 8 | 10 contacts → | ||||
Exact match “We are Europe's leading specialist early stage investors in security and resilience.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 9 | 7 contacts → | ||||
Exact match “Innovating Cybersecurity.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “MD One invests in early stage European technology companies.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match “River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “We found and grow companies based on disruptive scientific innovations, delivering disruptive products addressing significant market opportunities.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “325X is a UK-based venture studio focused on dual-use defence technology and cyber for use in the protection of critical national infrastructure (CNI), and for national security…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Founded in 2017, Cansol is a Cyber Security company with office in London and Dubai.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Founded by celebrated technologist and entrepreneur, Dr Mike Lynch OBE FREng FRS, Invoke Capital founds, invests in and advises fast-growing fundamental technology companies in…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Third Party Cyber Security (TPCS) are experts in protecting your return on investments from hidden cyber risks.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “At HAXR, we're not just keeping pace with technological change – we're setting the pace.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Craigie Capital builds, accelerates and invests in early-stage technology startups, with a primary focus on finance, big data and cyber security.” Recorded in the RevenueBase company graph · Sep 10, 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 “cybersecurity venture capital 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 20 of 49 cybersecurity venture capital firms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 120 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity venture capital firms based in London, United Kingdom at a glance
As of Sep 10, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 57.0dHow 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 London, United Kingdom whose business descriptions match “cybersecurity venture capital 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 120 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 10, 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.
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 “cybersecurity venture capital firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity venture capital firms are there based in London, United Kingdom?
RevenueBase identified 49 company matches for cybersecurity venture capital firms associated with London, 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?
Amadeus Capital Partners tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most cybersecurity venture capital firms?
London leads the United Kingdom with 51 company records, followed by Manchester (3) and Glasgow (2).
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 120 professional contacts with verified work emails tracked across these 49 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 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 49 cybersecurity venture capital firms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Cybersecurity venture capital firms by geography
- Cybersecurity venture capital firms based in the United States
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- Cybersecurity venture capital firms based in France
- Cybersecurity venture capital firms based in Australia
- Cybersecurity venture capital firms based in New York, United States
- Cybersecurity venture capital firms based in San Francisco, United States
- Cybersecurity venture capital firms based in India
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.
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- Cybersecurity venture capital firms based in the United States
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- Cybersecurity venture capital firms based in Israel
- Cybersecurity venture capital firms based in France
- Cybersecurity venture capital firms based in Australia
Company intelligence · public preview
Top 20 cybersecurity venture capital firms based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 49 matching company records for cybersecurity venture capital firms based in London, United Kingdom, with 272 tracked contacts and 120 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 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 20 cybersecurity venture capital firms based in London, United Kingdom
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 |  Amadeus Capital Partnersamadeuscapital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Since 1997, Amadeus Capital Partners has backed more than 200 pioneering companies and raised over $1.3 billion to fuel their growth.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Trident Searchtridentsearch.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Your partner in cyber security talent, investment and events.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  C5 Capitalc5capital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“C5 Capital is a specialist Venture Capital Firm focused on cybersecurity, space and energy security.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  CYPROcypro.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Secure.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Barefoot Cyberbarefootcyber.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Barefoot Cyber is the strategic partner for senior leaders who recognize that a cybersecurity attack is not just a technical failure, but a direct threat to their revenue…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Silicon Roundabout Venturessiliconroundabout.venturesHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Our Mission at Silicon Roundabout Ventures (SRV) is to back entrepreneurs who are to shape the next-generation of technology and to provide superior returns to our investors…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Disclosure Cybersecuritydisclosurecybersecurity.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  CYLONcylonventures.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“We are Europe's leading specialist early stage investors in security and resilience.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Kompingokompingo.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Innovating Cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  MD ONE Venturesmd-one.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“MD One invests in early stage European technology companies.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  River Oakfieldriveroakfield.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Scientific Venture Partnersscientificvp.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“We found and grow companies based on disruptive scientific innovations, delivering disruptive products addressing significant market opportunities.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Grove Groupgroveis.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Dark Taurusdarktaurus.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  325x325x.ltdHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“325X is a UK-based venture studio focused on dual-use defence technology and cyber for use in the protection of critical national infrastructure (CNI), and for national security…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cansol Consultingcansolconsulting.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Founded in 2017, Cansol is a Cyber Security company with office in London and Dubai.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Invoke Capitalinvokecapital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Founded by celebrated technologist and entrepreneur, Dr Mike Lynch OBE FREng FRS, Invoke Capital founds, invests in and advises fast-growing fundamental technology companies in…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  TPCSthirdpartycybersecurity.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Third Party Cyber Security (TPCS) are experts in protecting your return on investments from hidden cyber risks.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HAXRhaxr.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“At HAXR, we're not just keeping pace with technological change – we're setting the pace.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Craigie Capitalcraigiecapital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Craigie Capital builds, accelerates and invests in early-stage technology startups, with a primary focus on finance, big data and cyber security.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 49 company matches
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Cybersecurity venture capital firms: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
49 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 57.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 10, 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 ↗
Questions about this company list
What does Exact match mean for cybersecurity venture capital 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 cybersecurity venture capital firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 49 matching company records, 272 tracked contacts and 120 verified emails. The public preview displays 20 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 10, 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
Cybersecurity venture capital firms by geography
- Cybersecurity venture capital firms based in the United States
- Cybersecurity venture capital firms based in the United Kingdom
- Cybersecurity venture capital firms based in Canada
- Cybersecurity venture capital firms based in Israel
- Cybersecurity venture capital firms based in France
- Cybersecurity venture capital firms based in Australia
- Cybersecurity venture capital firms based in New York, United States
- Cybersecurity venture capital firms based in San Francisco, United States
- Cybersecurity venture capital firms based in India
Cite this list
RevenueBase Data Team. Top 20 cybersecurity venture capital firms based in London, United Kingdom. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-venture-capital-firms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity venture capital firms based in the United States
- Cybersecurity venture capital firms based in the United Kingdom
- Cybersecurity venture capital firms based in Canada
- Cybersecurity venture capital firms based in Israel
- Cybersecurity venture capital firms based in France
- Cybersecurity venture capital firms based in Australia
Company intelligence · public preview
Top 20 cybersecurity venture capital firms based in London, United Kingdom
RevenueBase records 49 matching company records for cybersecurity venture capital firms based in London, United Kingdom, with 272 tracked contacts and 120 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 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 20 cybersecurity venture capital firms based in London, United Kingdom
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 | Amadeus Capital Partnersamadeuscapital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Since 1997, Amadeus Capital Partners has backed more than 200 pioneering companies and raised over $1.3 billion to fuel their growth.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Trident Searchtridentsearch.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Your partner in cyber security talent, investment and events.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | C5 Capitalc5capital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“C5 Capital is a specialist Venture Capital Firm focused on cybersecurity, space and energy security.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | CYPROcypro.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Secure.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Barefoot Cyberbarefootcyber.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Barefoot Cyber is the strategic partner for senior leaders who recognize that a cybersecurity attack is not just a technical failure, but a direct threat to their revenue…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Silicon Roundabout Venturessiliconroundabout.ventures HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Our Mission at Silicon Roundabout Ventures (SRV) is to back entrepreneurs who are to shape the next-generation of technology and to provide superior returns to our investors…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Disclosure Cybersecuritydisclosurecybersecurity.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | CYLONcylonventures.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“We are Europe's leading specialist early stage investors in security and resilience.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Kompingokompingo.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Innovating Cybersecurity.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MD ONE Venturesmd-one.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“MD One invests in early stage European technology companies.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | River Oakfieldriveroakfield.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Scientific Venture Partnersscientificvp.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“We found and grow companies based on disruptive scientific innovations, delivering disruptive products addressing significant market opportunities.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Grove Groupgroveis.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dark Taurusdarktaurus.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 325x325x.ltd HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“325X is a UK-based venture studio focused on dual-use defence technology and cyber for use in the protection of critical national infrastructure (CNI), and for national security…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cansol Consultingcansolconsulting.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Founded in 2017, Cansol is a Cyber Security company with office in London and Dubai.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Invoke Capitalinvokecapital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Founded by celebrated technologist and entrepreneur, Dr Mike Lynch OBE FREng FRS, Invoke Capital founds, invests in and advises fast-growing fundamental technology companies in…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TPCSthirdpartycybersecurity.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Third Party Cyber Security (TPCS) are experts in protecting your return on investments from hidden cyber risks.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HAXRhaxr.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“At HAXR, we're not just keeping pace with technological change – we're setting the pace.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Craigie Capitalcraigiecapital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Craigie Capital builds, accelerates and invests in early-stage technology startups, with a primary focus on finance, big data and cyber security.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Cybersecurity venture capital firms: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
49 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 57.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 10, 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 ↗
Questions about this company list
What does Exact match mean for cybersecurity venture capital 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 cybersecurity venture capital firms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 49 matching company records, 272 tracked contacts and 120 verified emails. The public preview displays 20 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 10, 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 20 cybersecurity venture capital firms based in London, United Kingdom. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-venture-capital-firms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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