Intelligence · Sector map · October 2026
Security services in the UK
27,831 active companies; 4,299 formed in the last twelve months.
Computed from Lockley's index, updated 20 October 2026.
27,831
Active UK companies
4,299
Formed in the last twelve months
15% of the sector
4,747
With a website we could match
17%
Security services: companies formed each year, still on the register
1,644
2019
1,426
2020
1,551
2021
1,704
2022
2,171
2023
2,534
2024
4,178
2025
3,494
2026
Where they are registered
Post townActive companies
London5,468
Manchester717
Birmingham700
Ilford479
Cardiff387
Leeds321
Glasgow308
Liverpool294
Luton285
Bristol256
Registered office, which is not always where a company trades.
Hiring in the last 30 days, manager level and above
FunctionRolesCompanies
Sales32
Jobs data from Adzuna, matched to companies in the index.
Recorded in October 2026 so far
SignalRecordsCompanies
Hiring at manager level and above11
New sites11
What is counted
Active UK companies whose Companies House SIC codes begin with 80. A company with several codes can appear in more than one sector. Figures are recomputed every night.
SourcesCompanies House (Open Government Licence) · Jobs data from Adzuna · Lockley's index and its sources
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