Company lists · Data refreshed September 2026
Top 25 Aircraft systems security companies based in the United Kingdom
RevenueBase identified 70 aircraft systems security companies headquartered in the United Kingdom as of September 2026 and tracks 670 professional contacts across them, including 199 with verified work emails. London is the largest hub.
This list covers aircraft systems security companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 25 largest aircraft systems security companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 150 contacts → | ||||
Indirect evidence “Aero aftermarket consultancy” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 77 contacts → | ||||
Partial evidence “At OSL, our mission is to deliver adaptive security solutions that protect high-value, risk-prone areas by integrating innovative technologies designed to manage both aerial and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 75 contacts → | ||||
Partial evidence “SQEP provides security-cleared experts across defence, aerospace and critical infrastructure.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 52 contacts → | ||||
Partial evidence “Secur-it is a leading provider of security services and risk management.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 27 contacts → | ||||
Strong evidence “With a reputation for outstanding service and access to the very latest products in the marketplace, Mercury Systems offers all aspects of electronic security, fire and AV systems.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 23 contacts → | ||||
Partial evidence “MarineGuard is recognised as the industry leader for the integration of leading edge technology-based superyacht security.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 contacts → | ||||
Indirect evidence “LiveLink Aerospace is a privately owned British company located just outside the historic port city of Portsmouth on the picturesque south coast of the United Kingdom.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 15 contacts → | ||||
Strong evidence “Electronic Security Systems Design, Installation and Maintenance Provider.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Strong evidence “The safety and security of aircraft passengers and crew through the application of video technologies is at the heart of everything we do.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Partial evidence “What we can offer: Site wide Electric Locking Systems Vidicom / Intercom Systems Manufacture & Installation of Vehicle sliding Gates Manufacture & Installation of Pedestrian…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Strong evidence “Abacus Securities are a North West based Security Systems Company who provide Design, Installation and Service & Maintenance to numerous Security Systems and can provide national…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Partial evidence “Sword Services was founded in 1990 by Lawrence Sword and has established itself as a major player in the field of industrial electronic security solutions and gained a reputation…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Strong evidence “Our Counter-Terrorist Security Systems provide Military, Police, and Security with the best solutions from our own collections, as well as through a range of suppliers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Partial evidence “Scott Total Security Ltd, a dynamic and innovative Security Company providing Government and Commercial CCTV, Intruder and Access Control.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Partial evidence “Ansador Ltd has been privately owned since it was founded in 1982, providing system solutions to corporate and global clients across EMEA.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Partial evidence “Is it possible to experience a modular system that is easily adapted to spatial constraints?” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Strong evidence “Providing Marine & Land based specialist security systems for more than 30 years.@ Halo Group | Marine Security Expert - Anti Drone - Hack Take Control - Laser Defence Systems” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “Synectics Security is a specialist provider of integrated security solutions for diverse, demanding applications.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “KIT365 is a cybersecurity company based in the city of Leicester.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “The company provides installation and maintenance of CCTV surveillance, intruder alarms, door access systems and consultancy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Bremesgraf is a leading company in the fields of security screening, biometric security, Aviation Solutions, and Pharmaceutical services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “We specialise in Flight Deck Door Monitoring, Cargo Bay Monitoring and Recording Systems, Internal and External Video Camera Systems and Airborne Medical Defibrillators and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Strong evidence “Centra are an Electronic Security Systems Installers founded in 1990.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “Architecture Without Illusion.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: aircraft systems security companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names aircraft systems security companies.
- Partial evidence
- Its own public description names part of aircraft systems security companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name aircraft systems security companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 70 aircraft systems security companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 199 reachable decision-makers.
Free signup · no credit card
Aircraft systems security companies based in the United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 70 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among aircraft systems security companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “aircraft systems security companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names aircraft systems security companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among aircraft systems security companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 199 across the full list. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names aircraft systems security companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many aircraft systems security companies are there based in the United Kingdom?
RevenueBase identified 70 aircraft systems security companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Meggitt, headquartered in London, tops this list with the largest team on record.
Which city has the most aircraft systems security companies?
London leads with 12 headquartered companies, followed by Peterborough (3) and Hazel Grove (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 199 verified decision-maker contacts tracked across these 70 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 70 aircraft systems security companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Aircraft systems security companies by geography
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 Smart Search, 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
- Aircraft systems security companies based in India
- Aircraft systems security companies based in Italy
- Aircraft systems security companies based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
- Manufacturing companies based in the United Kingdom