Company lists · Data refreshed October 2026
Top 10 Intelligence surveillance defense system suppliers based in London, United Kingdom
RevenueBase identified 28 company matches for intelligence surveillance defense system suppliers associated with London, United Kingdom as of October 2026 and tracks 43,234 professional contacts across them, including 8,943 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for intelligence surveillance defense system suppliers 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 October 27, 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 10 largest intelligence surveillance defense system suppliers based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 41,648 contacts → | ||||
Exact match “At BAE Systems, we help our customers to stay a step ahead when protecting people and national security, critical infrastructure and vital information.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 2 | 160 contacts → | ||||
Exact match “Aero aftermarket consultancy” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 3 | 96 contacts → | ||||
Exact match “MARSS is a global defence and security technology company specialising in AI-enabled Command and Control (C2/C4I), autonomous mission management, and multi-domain surveillance.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 4 | 50 contacts → | ||||
Exact match “Shephard Group delivers trusted insight and marketing solutions to support informed decisions across the global defence ecosystem.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 5 | 17 contacts → | ||||
Exact match “The Exsel Group is a leading independent defence technology solutions company – providing engineering solutions, technology systems and support services to Defence and Industry…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “Vizgard is a multi-award-winning SME building a safer future by automating real-time Security and Defence optical systems that traditionally require repetitive or prolonged…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “Commercial, Industrial, and Defence systems, engineered in the United Kingdom.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 8 | 5 contacts → | ||||
Exact match “Providing autonomous surveillance systems for industrial companies, and national security entities.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 9 | 1 contacts → | ||||
Exact match “SS & S has been established to provide integrated security solutions in response to ever-changing threats and needs.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 10 | 1 contacts → | ||||
Exact match “3NTT Group is a company that operates in the global Defense and Security sectors using high-tech instruments and methodologies.” Recorded in the RevenueBase company graph · Oct 27, 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 “intelligence surveillance defense system suppliers”. 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 10 of 28 intelligence surveillance defense system suppliers based in London, United Kingdom
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Intelligence surveillance defense system suppliers based in London, United Kingdom at a glance
As of Oct 27, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 28 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 London, United Kingdom whose business descriptions match “intelligence surveillance defense system suppliers” 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 8,943 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 October 27, 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 “intelligence surveillance defense system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many intelligence surveillance defense system suppliers are there based in London, United Kingdom?
RevenueBase identified 28 company matches for intelligence surveillance defense system suppliers associated with London, United Kingdom as of October 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?
BAE Systems 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 intelligence surveillance defense system suppliers?
London leads the United Kingdom with 28 company records, followed by Bristol (6) and Hereford (4).
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 8,943 professional contacts with verified work emails tracked across these 28 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 October 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 28 intelligence surveillance defense system suppliers based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Intelligence surveillance defense system suppliers by geography
- Intelligence surveillance defense system suppliers based in Bangalore, India
- Intelligence surveillance defense system suppliers based in Hyderabad, India
- Intelligence surveillance defense system suppliers based in Ankara, Türkiye
- Intelligence surveillance defense system suppliers based in Arlington, United States
- Intelligence surveillance defense system suppliers based in Herndon, United States
- Intelligence surveillance defense system suppliers based in Huntsville, United States
- Intelligence surveillance defense system suppliers based in Mclean, United States
- Intelligence surveillance defense system suppliers based in Washington, United States
- Intelligence surveillance defense system suppliers based in Australia
- Intelligence surveillance defense system suppliers based in Canada
- Intelligence surveillance defense system suppliers based in France
- Intelligence surveillance defense system suppliers based in Germany
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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- Intelligence surveillance defense system suppliers based in Bangalore, India
- Intelligence surveillance defense system suppliers based in Hyderabad, India
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Company intelligence · public preview
Top 10 intelligence surveillance defense system suppliers 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 28 matching company records for intelligence surveillance defense system suppliers based in London, United Kingdom, with 43,234 tracked contacts and 8,943 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 27, 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 10 intelligence surveillance defense system suppliers 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 |  BAE Systemsbaesystems.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 41,648 contacts → |
“At BAE Systems, we help our customers to stay a step ahead when protecting people and national security, critical infrastructure and vital information.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Meggittmeggitt.comHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 160 contacts → |
“Aero aftermarket consultancy” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Marss Groupmarss.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“MARSS is a global defence and security technology company specialising in AI-enabled Command and Control (C2/C4I), autonomous mission management, and multi-domain surveillance.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Shephard Groupshephardmedia.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Shephard Group delivers trusted insight and marketing solutions to support informed decisions across the global defence ecosystem.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Exsel Groupexsel-group.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“The Exsel Group is a leading independent defence technology solutions company – providing engineering solutions, technology systems and support services to Defence and Industry…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Vizgardvizgard.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Vizgard is a multi-award-winning SME building a safer future by automating real-time Security and Defence optical systems that traditionally require repetitive or prolonged…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Levyne Grouplevynegroup.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Commercial, Industrial, and Defence systems, engineered in the United Kingdom.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sorair Technologiessorair.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Providing autonomous surveillance systems for industrial companies, and national security entities.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Security Strategy And Solutionsi-sss.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“SS & S has been established to provide integrated security solutions in response to ever-changing threats and needs.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  3ntt Group3nttgroup.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“3NTT Group is a company that operates in the global Defense and Security sectors using high-tech instruments and methodologies.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 28 company matches
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Intelligence surveillance defense system suppliers: dataset insights
October 27, 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
28 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.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 28 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: October 27, 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 intelligence surveillance defense system suppliers?
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 intelligence surveillance defense system suppliers did RevenueBase find based in London, United Kingdom?
The saved snapshot records 28 matching company records, 43,234 tracked contacts and 8,943 verified emails. The public preview displays 10 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: October 27, 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
Intelligence surveillance defense system suppliers by geography
- Intelligence surveillance defense system suppliers based in Bangalore, India
- Intelligence surveillance defense system suppliers based in Hyderabad, India
- Intelligence surveillance defense system suppliers based in Ankara, Türkiye
- Intelligence surveillance defense system suppliers based in Arlington, United States
- Intelligence surveillance defense system suppliers based in Herndon, United States
- Intelligence surveillance defense system suppliers based in Huntsville, United States
- Intelligence surveillance defense system suppliers based in Mclean, United States
- Intelligence surveillance defense system suppliers based in Washington, United States
- Intelligence surveillance defense system suppliers based in Australia
- Intelligence surveillance defense system suppliers based in Canada
- Intelligence surveillance defense system suppliers based in France
- Intelligence surveillance defense system suppliers based in Germany
Cite this list
RevenueBase Data Team. Top 10 intelligence surveillance defense system suppliers based in London, United Kingdom. Snapshot: October 27, 2026. https://revenuebase.ai/companies/intelligence-surveillance-defense-system-suppliers/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
- Intelligence surveillance defense system suppliers based in Bangalore, India
- Intelligence surveillance defense system suppliers based in Hyderabad, India
- Intelligence surveillance defense system suppliers based in Ankara, Türkiye
- Intelligence surveillance defense system suppliers based in Arlington, United States
- Intelligence surveillance defense system suppliers based in Herndon, United States
- Intelligence surveillance defense system suppliers based in Huntsville, United States
Company intelligence · public preview
Top 10 intelligence surveillance defense system suppliers based in London, United Kingdom
RevenueBase records 28 matching company records for intelligence surveillance defense system suppliers based in London, United Kingdom, with 43,234 tracked contacts and 8,943 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 27, 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 10 intelligence surveillance defense system suppliers 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 | BAE Systemsbaesystems.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 41,648 contacts → |
“At BAE Systems, we help our customers to stay a step ahead when protecting people and national security, critical infrastructure and vital information.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Meggittmeggitt.com HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 160 contacts → |
“Aero aftermarket consultancy” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Marss Groupmarss.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“MARSS is a global defence and security technology company specialising in AI-enabled Command and Control (C2/C4I), autonomous mission management, and multi-domain surveillance.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Shephard Groupshephardmedia.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Shephard Group delivers trusted insight and marketing solutions to support informed decisions across the global defence ecosystem.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Exsel Groupexsel-group.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“The Exsel Group is a leading independent defence technology solutions company – providing engineering solutions, technology systems and support services to Defence and Industry…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Vizgardvizgard.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Vizgard is a multi-award-winning SME building a safer future by automating real-time Security and Defence optical systems that traditionally require repetitive or prolonged…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Levyne Grouplevynegroup.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Commercial, Industrial, and Defence systems, engineered in the United Kingdom.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sorair Technologiessorair.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Providing autonomous surveillance systems for industrial companies, and national security entities.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Security Strategy And Solutionsi-sss.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“SS & S has been established to provide integrated security solutions in response to ever-changing threats and needs.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 3ntt Group3nttgroup.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“3NTT Group is a company that operates in the global Defense and Security sectors using high-tech instruments and methodologies.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 28 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Intelligence surveillance defense system suppliers: dataset insights
October 27, 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
28 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.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 28 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: October 27, 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 intelligence surveillance defense system suppliers?
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 intelligence surveillance defense system suppliers did RevenueBase find based in London, United Kingdom?
The saved snapshot records 28 matching company records, 43,234 tracked contacts and 8,943 verified emails. The public preview displays 10 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: October 27, 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
Intelligence surveillance defense system suppliers by geography
- Intelligence surveillance defense system suppliers based in Bangalore, India
- Intelligence surveillance defense system suppliers based in Hyderabad, India
- Intelligence surveillance defense system suppliers based in Ankara, Türkiye
- Intelligence surveillance defense system suppliers based in Arlington, United States
- Intelligence surveillance defense system suppliers based in Herndon, United States
- Intelligence surveillance defense system suppliers based in Huntsville, United States
- Intelligence surveillance defense system suppliers based in Mclean, United States
- Intelligence surveillance defense system suppliers based in Washington, United States
- Intelligence surveillance defense system suppliers based in Australia
- Intelligence surveillance defense system suppliers based in Canada
- Intelligence surveillance defense system suppliers based in France
- Intelligence surveillance defense system suppliers based in Germany
Cite this list
RevenueBase Data Team. Top 10 intelligence surveillance defense system suppliers based in London, United Kingdom. Snapshot: October 27, 2026. https://revenuebase.ai/companies/intelligence-surveillance-defense-system-suppliers/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
- Intelligence surveillance defense system suppliers based in Bangalore, India
- Intelligence surveillance defense system suppliers based in Hyderabad, India
- Intelligence surveillance defense system suppliers based in Ankara, Türkiye
- Intelligence surveillance defense system suppliers based in Arlington, United States
- Intelligence surveillance defense system suppliers based in Herndon, United States
- Intelligence surveillance defense system suppliers based in Huntsville, United States