Company lists · Data refreshed September 2026
Top 20 Defense software companies based in the United Kingdom
RevenueBase identified 49 company matches for defense software companies associated with the United Kingdom as of September 2026 and tracks 2,128 professional contacts across them, including 886 with verified work emails and 309 with mobile numbers. London is the largest hub.
This list covers company matches for defense software companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 1, 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 defense software companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 684 contacts → | ||||
Exact match “At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 2 | 674 contacts → | ||||
Exact match “Metrea, formerly Meta Aerospace, offers a deep stack of defense capabilities and services for our customers and partners, allowing them to anticipate, secure, and defend their…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 3 | 219 contacts → | ||||
Exact match “Bagira Systems is a leader in the field of training and simulation.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 4 | 135 contacts → | ||||
Exact match “ESUK is a trusted partner to the UK Armed Forces, delivering advanced technology and innovation that strengthen national security and operational advantage.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 5 | 58 contacts → | ||||
Exact match “Calytrix Technologies is a Training and Simulation company specialising in developing and delivering integrated training solutions.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 6 | 33 contacts → | ||||
Exact match “Standing at the crossroads of designing, building, testing and deploying secure solutions for Defence.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “At Hamiltonian Dynamics we have a secure by design engineering mindset built into the core of our company.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “4Secure is a trusted provider of software defined, cross-network/cross-domain cybersecurity solutions for commercial, government and defence.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “From 2003 to 2023 the borwell team delivered software and IT solutions to the UK MoD and to UK Government departments, which were 'secure by design'.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “JD2E are a cutting-edge training and simulation company at the forefront of aviation training.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “Sirius Digital Services specialises in Software Engineering Services and AI, including 3D modelling and simulation, synthetic environments and data science, as well as…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 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 · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “C Software Limited is an software development company incorporated in and as the name suggests originally was focused on C development.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match “We are a small, dynamic product and services company based in Bristol, UK.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “At Igence, our 20+ years experience with 500+ man years of cumulative software capabilities enables us to modernise systems, integrate software packages, enable visualisation of…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match “Cirrus Software Solutions provides the UK government with expertise in delivering high-quality secure software and systems engineering with a particular focus on transitioning to…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “Global leaders in digital interoperability in the battlespace.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Welcome to DevNack - Your trusted partner for bespoke software solutions.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “DEFENCE AND SECURITY SOLUTIONS FOR A COMPLEX WORLD Developing and delivering highly impactful technical solutions through the deployment of innovative technologies, techniques…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Attomus is a cyber security and advanced technology firm, providing specialist applications and solutions to governments and defence / intelligence agencies” Recorded in the RevenueBase company graph · Sep 1, 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 “defense software companies”. 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 defense software companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 886 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Defense software companies based in the United Kingdom at a glance
As of Sep 1, 2026Companies by employee count
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 “defense software companies” 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 886 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 1, 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 “defense software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many defense software companies are there based in the United Kingdom?
RevenueBase identified 49 company matches for defense software companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
ROKE tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most defense software companies?
London leads with 13 company records, followed by Manchester (4) and Bristol (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 886 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 49 defense software companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Defense software companies by geography
- Defense software companies based in the United States
- Defense software companies based in Israel
- Defense software companies based in Ankara, Türkiye
- Defense software companies based in Arlington, United States
- Defense software companies based in Chantilly, United States
- Defense software companies based in Columbia, United States
- Defense software companies based in Herndon, United States
- Defense software companies based in Huntsville, United States
- Defense software companies based in Mclean, United States
- Defense software companies based in Reston, United States
- Defense software companies based in San Diego, United States
- Defense software companies based in Washington, United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Defense software companies based in the United States
- Defense software companies based in Israel
- Defense software companies based in Ankara, Türkiye
- Defense software companies based in Arlington, United States
- Defense software companies based in Chantilly, United States
- Defense software companies based in Columbia, United States
Company intelligence · public preview
Top 20 defense software companies based in the 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 defense software companies based in the United Kingdom, with 2,128 tracked contacts and 886 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 1, 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 defense software companies based in the 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 |  ROKEroke.co.ukHQ: HQ not recorded; location: Manchester, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Manchester, United Kingdom | 1,001-5,000 | Exact match | 684 contacts → |
“At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Metreametrea.aeroHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 674 contacts → |
“Metrea, formerly Meta Aerospace, offers a deep stack of defense capabilities and services for our customers and partners, allowing them to anticipate, secure, and defend their…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bagirabagirasys.comHQ: HQ not recorded; location: Westminster, United KingdomReported employees: 201-500 | HQ not recorded; location: Westminster, United Kingdom | 201-500 | Exact match | 219 contacts → |
“Bagira Systems is a leader in the field of training and simulation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Elbit Systems UKelbitsystems-uk.comHQ: HQ not recorded; location: United KingdomReported employees: 501-1,000 | HQ not recorded; location: United Kingdom | 501-1,000 | Exact match | 135 contacts → |
“ESUK is a trusted partner to the UK Armed Forces, delivering advanced technology and innovation that strengthen national security and operational advantage.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Calytrix Technologiescalytrix.comHQ: HQ not recorded; location: United KingdomReported employees: 51-200 | HQ not recorded; location: United Kingdom | 51-200 | Exact match | 58 contacts → |
“Calytrix Technologies is a Training and Simulation company specialising in developing and delivering integrated training solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Paricoparico.co.ukHQ: HQ not recorded; location: Bordon, United KingdomReported employees: 11-50 | HQ not recorded; location: Bordon, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Standing at the crossroads of designing, building, testing and deploying secure solutions for Defence.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Hamiltonian Dynamicshdcorp.co.ukHQ: HQ not recorded; location: Manchester, United KingdomReported employees: 11-50 | HQ not recorded; location: Manchester, United Kingdom | 11-50 | Exact match | 23 contacts → |
“At Hamiltonian Dynamics we have a secure by design engineering mindset built into the core of our company.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  4secure LTD4-secure.comHQ: HQ not recorded; location: Northampton, United KingdomReported employees: 11-50 | HQ not recorded; location: Northampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“4Secure is a trusted provider of software defined, cross-network/cross-domain cybersecurity solutions for commercial, government and defence.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Borwellborwell.comHQ: HQ not recorded; location: Great Malvern, United KingdomReported employees: 11-50 | HQ not recorded; location: Great Malvern, United Kingdom | 11-50 | Exact match | 20 contacts → |
“From 2003 to 2023 the borwell team delivered software and IT solutions to the UK MoD and to UK Government departments, which were 'secure by design'.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Jd2ejd2e-isr.comHQ: HQ not recorded; location: Wellingore Hall, United KingdomReported employees: 11-50 | HQ not recorded; location: Wellingore Hall, United Kingdom | 11-50 | Exact match | 19 contacts → |
“JD2E are a cutting-edge training and simulation company at the forefront of aviation training.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sirius Digital Servicessirius-digital.co.ukHQ: HQ not recorded; location: Portsmouth, United KingdomReported employees: 11-50 | HQ not recorded; location: Portsmouth, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Sirius Digital Services specialises in Software Engineering Services and AI, including 3D modelling and simulation, synthetic environments and data science, as well as…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Exsel Groupexsel-group.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: 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 · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  C Software Limitedcsoftware.co.ukHQ: HQ not recorded; location: Tewkesbury, United KingdomReported employees: 11-50 | HQ not recorded; location: Tewkesbury, United Kingdom | 11-50 | Exact match | 13 contacts → |
“C Software Limited is an software development company incorporated in and as the name suggests originally was focused on C development.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Antillionantillion.comHQ: HQ not recorded; location: Bristol, United KingdomReported employees: 11-50 | HQ not recorded; location: Bristol, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We are a small, dynamic product and services company based in Bristol, UK.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Igence Software LTDigence.comHQ: HQ not recorded; location: East Grinstead, United KingdomReported employees: 11-50 | HQ not recorded; location: East Grinstead, United Kingdom | 11-50 | Exact match | 11 contacts → |
“At Igence, our 20+ years experience with 500+ man years of cumulative software capabilities enables us to modernise systems, integrate software packages, enable visualisation of…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cirrus Software Solutionscirrussoftwaresolutions.comHQ: HQ not recorded; location: Bristol, United KingdomReported employees: 11-50 | HQ not recorded; location: Bristol, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Cirrus Software Solutions provides the UK government with expertise in delivering high-quality secure software and systems engineering with a particular focus on transitioning to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  2ic Limited2icworld.comHQ: HQ not recorded; location: Richmond, United KingdomReported employees: 1-10 | HQ not recorded; location: Richmond, United Kingdom | 1-10 | Exact match | 11 contacts → |
“Global leaders in digital interoperability in the battlespace.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Devnackdevnack.comHQ: HQ not recorded; location: Edinburgh, United KingdomReported employees: 11-50 | HQ not recorded; location: Edinburgh, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Welcome to DevNack - Your trusted partner for bespoke software solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Aardvark Groupaardvark.group HQ: HQ not recorded; location: Dumfries, United KingdomReported employees: 11-50 | HQ not recorded; location: Dumfries, United Kingdom | 11-50 | Exact match | 4 contacts → |
“DEFENCE AND SECURITY SOLUTIONS FOR A COMPLEX WORLD Developing and delivering highly impactful technical solutions through the deployment of innovative technologies, techniques…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Attomusattomus.comHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Attomus is a cyber security and advanced technology firm, providing specialist applications and solutions to governments and defence / intelligence agencies” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 49 company matches
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Defense software companies: dataset insights
September 1, 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.
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.
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 1, 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 defense software companies?
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 defense software companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 49 matching company records, 2,128 tracked contacts and 886 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 1, 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
Defense software companies by geography
- Defense software companies based in the United States
- Defense software companies based in Israel
- Defense software companies based in Ankara, Türkiye
- Defense software companies based in Arlington, United States
- Defense software companies based in Chantilly, United States
- Defense software companies based in Columbia, United States
- Defense software companies based in Herndon, United States
- Defense software companies based in Huntsville, United States
- Defense software companies based in Mclean, United States
- Defense software companies based in Reston, United States
- Defense software companies based in San Diego, United States
- Defense software companies based in Washington, United States
Cite this list
RevenueBase Data Team. Top 20 defense software companies based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/defense-software-companies/united-kingdom.
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
- Defense software companies based in the United States
- Defense software companies based in Israel
- Defense software companies based in Ankara, Türkiye
- Defense software companies based in Arlington, United States
- Defense software companies based in Chantilly, United States
- Defense software companies based in Columbia, United States
Company intelligence · public preview
Top 20 defense software companies based in the United Kingdom
RevenueBase records 49 matching company records for defense software companies based in the United Kingdom, with 2,128 tracked contacts and 886 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 1, 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 defense software companies based in the 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 | ROKEroke.co.uk HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Manchester, United Kingdom | 1,001-5,000 | Exact match | 684 contacts → |
“At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Metreametrea.aero HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 674 contacts → |
“Metrea, formerly Meta Aerospace, offers a deep stack of defense capabilities and services for our customers and partners, allowing them to anticipate, secure, and defend their…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bagirabagirasys.com HQ: HQ not recorded; location: Westminster, United KingdomReported employees: 201-500 | HQ not recorded; location: Westminster, United Kingdom | 201-500 | Exact match | 219 contacts → |
“Bagira Systems is a leader in the field of training and simulation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Elbit Systems UKelbitsystems-uk.com HQ: HQ not recorded; location: United KingdomReported employees: 501-1,000 | HQ not recorded; location: United Kingdom | 501-1,000 | Exact match | 135 contacts → |
“ESUK is a trusted partner to the UK Armed Forces, delivering advanced technology and innovation that strengthen national security and operational advantage.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Calytrix Technologiescalytrix.com HQ: HQ not recorded; location: United KingdomReported employees: 51-200 | HQ not recorded; location: United Kingdom | 51-200 | Exact match | 58 contacts → |
“Calytrix Technologies is a Training and Simulation company specialising in developing and delivering integrated training solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Paricoparico.co.uk HQ: HQ not recorded; location: Bordon, United KingdomReported employees: 11-50 | HQ not recorded; location: Bordon, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Standing at the crossroads of designing, building, testing and deploying secure solutions for Defence.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hamiltonian Dynamicshdcorp.co.uk HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 11-50 | HQ not recorded; location: Manchester, United Kingdom | 11-50 | Exact match | 23 contacts → |
“At Hamiltonian Dynamics we have a secure by design engineering mindset built into the core of our company.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 4secure LTD4-secure.com HQ: HQ not recorded; location: Northampton, United KingdomReported employees: 11-50 | HQ not recorded; location: Northampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“4Secure is a trusted provider of software defined, cross-network/cross-domain cybersecurity solutions for commercial, government and defence.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Borwellborwell.com HQ: HQ not recorded; location: Great Malvern, United KingdomReported employees: 11-50 | HQ not recorded; location: Great Malvern, United Kingdom | 11-50 | Exact match | 20 contacts → |
“From 2003 to 2023 the borwell team delivered software and IT solutions to the UK MoD and to UK Government departments, which were 'secure by design'.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Jd2ejd2e-isr.com HQ: HQ not recorded; location: Wellingore Hall, United KingdomReported employees: 11-50 | HQ not recorded; location: Wellingore Hall, United Kingdom | 11-50 | Exact match | 19 contacts → |
“JD2E are a cutting-edge training and simulation company at the forefront of aviation training.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sirius Digital Servicessirius-digital.co.uk HQ: HQ not recorded; location: Portsmouth, United KingdomReported employees: 11-50 | HQ not recorded; location: Portsmouth, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Sirius Digital Services specialises in Software Engineering Services and AI, including 3D modelling and simulation, synthetic environments and data science, as well as…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Exsel Groupexsel-group.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: 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 · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | C Software Limitedcsoftware.co.uk HQ: HQ not recorded; location: Tewkesbury, United KingdomReported employees: 11-50 | HQ not recorded; location: Tewkesbury, United Kingdom | 11-50 | Exact match | 13 contacts → |
“C Software Limited is an software development company incorporated in and as the name suggests originally was focused on C development.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Antillionantillion.com HQ: HQ not recorded; location: Bristol, United KingdomReported employees: 11-50 | HQ not recorded; location: Bristol, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We are a small, dynamic product and services company based in Bristol, UK.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Igence Software LTDigence.com HQ: HQ not recorded; location: East Grinstead, United KingdomReported employees: 11-50 | HQ not recorded; location: East Grinstead, United Kingdom | 11-50 | Exact match | 11 contacts → |
“At Igence, our 20+ years experience with 500+ man years of cumulative software capabilities enables us to modernise systems, integrate software packages, enable visualisation of…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cirrus Software Solutionscirrussoftwaresolutions.com HQ: HQ not recorded; location: Bristol, United KingdomReported employees: 11-50 | HQ not recorded; location: Bristol, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Cirrus Software Solutions provides the UK government with expertise in delivering high-quality secure software and systems engineering with a particular focus on transitioning to…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 2ic Limited2icworld.com HQ: HQ not recorded; location: Richmond, United KingdomReported employees: 1-10 | HQ not recorded; location: Richmond, United Kingdom | 1-10 | Exact match | 11 contacts → |
“Global leaders in digital interoperability in the battlespace.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Devnackdevnack.com HQ: HQ not recorded; location: Edinburgh, United KingdomReported employees: 11-50 | HQ not recorded; location: Edinburgh, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Welcome to DevNack - Your trusted partner for bespoke software solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Aardvark Groupaardvark.group HQ: HQ not recorded; location: Dumfries, United KingdomReported employees: 11-50 | HQ not recorded; location: Dumfries, United Kingdom | 11-50 | Exact match | 4 contacts → |
“DEFENCE AND SECURITY SOLUTIONS FOR A COMPLEX WORLD Developing and delivering highly impactful technical solutions through the deployment of innovative technologies, techniques…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Attomusattomus.com HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Attomus is a cyber security and advanced technology firm, providing specialist applications and solutions to governments and defence / intelligence agencies” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Defense software companies: dataset insights
September 1, 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.
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.
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 1, 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 defense software companies?
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 defense software companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 49 matching company records, 2,128 tracked contacts and 886 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 1, 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
Defense software companies by geography
- Defense software companies based in the United States
- Defense software companies based in Israel
- Defense software companies based in Ankara, Türkiye
- Defense software companies based in Arlington, United States
- Defense software companies based in Chantilly, United States
- Defense software companies based in Columbia, United States
- Defense software companies based in Herndon, United States
- Defense software companies based in Huntsville, United States
- Defense software companies based in Mclean, United States
- Defense software companies based in Reston, United States
- Defense software companies based in San Diego, United States
- Defense software companies based in Washington, United States
Cite this list
RevenueBase Data Team. Top 20 defense software companies based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/defense-software-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Defense software companies based in the United States
- Defense software companies based in Israel
- Defense software companies based in Ankara, Türkiye
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