- AS
Skilled WorkerWorker (A rating)
- AC
Skilled WorkerWorker (A rating)
- AF
Skilled WorkerWorker (A rating)
AOSkilled WorkerWorker (A rating)
ASSkilled WorkerWorker (A rating)
- AS
Skilled WorkerWorker (A rating)
ACSkilled WorkerWorker (A rating)
- AL
Alv Services LimitedSunbury-On-Thames · Security, cleaning and facilitiesSince 2015 · General cleaning of buildings Skilled WorkerWorker (A rating)
- AP
Aman Pest Control LtdBristol · Security, cleaning and facilitiesSince 2016 · Disinfecting and exterminating services Skilled WorkerWorker (A rating)
ASAmco Security LimitedYork · North Yorkshire · Security, cleaning and facilitiesSince 1995 · Security systems service activities Skilled WorkerWorker (A rating)
- AS
Skilled WorkerWorker (A rating)
- AD
Anchor Door SystemsLondon · Security, cleaning and facilitiesSince 1987 · Combined facilities support activities Skilled WorkerWorker (A rating)
- AY
Skilled WorkerWorker (A rating)
- AN
Angelson Services LtdManchester · Security, cleaning and facilitiesSince 2015 · Combined facilities support activities Skilled WorkerWorker (A rating)
AGAnnas Gardens LTDSurbiton · Surrey · Security, cleaning and facilitiesSince 2009 · Landscape service activities Skilled WorkerWorker (A rating)
- AP
International SportspersonWorker (A rating)
ASAntac Support Services LtdHigh Wycombe · Buckinghamshire · Security, cleaning and facilitiesSince 2001 · Combined facilities support activities Skilled WorkerWorker (A rating)
- AB
Aom Builders LtdHayes · Security, cleaning and facilitiesSince 2013 · Combined facilities support activities Skilled WorkerWorker (A rating)
- AA
Skilled WorkerWorker (A rating)
- AS
Apex Secure LimitedLeicester · Security, cleaning and facilitiesSince 2013 · Private security activities Skilled WorkerWorker (A rating)
- AS
Apex Security & K9 LtdEssex · Security, cleaning and facilitiesSince 2022 · Security systems service activities Skilled WorkerWorker (A rating)
APApleona UK LimitedMorley · Leeds · Security, cleaning and facilitiesSince 2000 · Combined facilities support activities Skilled WorkerWorker (A rating)
- AS
Apollo Security LtdLondon · Security, cleaning and facilitiesSince 2022 · Private security activities Skilled WorkerWorker (A rating)
- AP
Apsay LtdNewcastle Upon Tyne · Security, cleaning and facilitiesSince 2022 · Private security activities Skilled WorkerWorker (A rating)
- AT
AQG Traders LTDChesterfield · Security, cleaning and facilitiesSince 2022 · Other cleaning services Skilled WorkerWorker (A rating)
- AG
Skilled WorkerWorker (A rating)
- AT
Ara Technical LtdGlasgow · East Renfrewshire · Security, cleaning and facilitiesSince 2020 · Security systems service activities Skilled WorkerWorker (A rating)
AGArchway Green LtdAddlestone · Surrey · Security, cleaning and facilitiesSince 2018 · Landscape service activities Skilled WorkerWorker (A rating)
ASSkilled WorkerWorker (A rating)
- AS
Skilled WorkerWorker (A rating)
ASAs Security LimitedRainham · Essex · Security, cleaning and facilitiesSince 2015 · Private security activities Skilled WorkerWorker (A rating)
- AI
Skilled WorkerWorker (A rating)
- AS
Skilled WorkerWorker (A rating)
- AA
Global Business Mobility: Senior or Specialist WorkerSkilled WorkerWorker (A rating)
- AU
Atlas UAV LtdLondon · Security, cleaning and facilitiesSince 2025 · Security systems service activities Global Business Mobility: UK Expansion WorkerWorker (UK Expansion Worker: Provisional)
AWSkilled WorkerWorker (A rating)
- AU
Auxilium Services LtdDukinfield · Security, cleaning and facilitiesSince 2018 · Private security activities Skilled WorkerWorker (A rating)
- AV
Avruka LimitedHarrow · Security, cleaning and facilitiesSince 2015 · Security systems service activities Skilled WorkerWorker (A rating)
- AS
Axis Security LtdBirmingham, · Security, cleaning and facilitiesSince 2019 · Private security activities Skilled WorkerWorker (A rating)
- BS
Skilled WorkerWorker (A rating)