# Gemini AMPM Ltd

> UK fire safety, security, ventilation, gas suppression, passive fire and life-safety contractor. Burgess Hill, West Sussex. Established 1997. BAFE SP203-1 (ID 302260), NSI Gold, FIRAS, CHAS Elite, Constructionline Gold accredited. Employee Ownership Trust since 2024. Active across London, the South East and nationally on framework contracts.

Gemini AMPM provides design, installation, commissioning and ongoing compliance maintenance for life-safety building systems — operating across NHS, healthcare, social housing, data centres, education, hospitality, commercial and warehousing sectors. Phone: 0330 043 0080. Email: info@geminiampm.co.uk. Registered office: Unit 2, Regents Business Centre, Jubilee Road, Burgess Hill, West Sussex RH15 9TL. Companies House registration 03437130. Companies House profile: https://find-and-update.company-information.service.gov.uk/company/03437130. Founded by Jamie Dawson (Chair), Luke Finney (Commercial Director), Dan Small (Managing Director).

## Service lines

- [Fire detection & alarm](https://geminiampm.co.uk/fire/): BS 5839-1:2025 fire detection and alarm systems — design, installation, commissioning, maintenance. BAFE SP203-1 registered (ID 302260).
- [Gas suppression](https://geminiampm.co.uk/gas/): BS EN 15004 gaseous extinguishing systems — ProInert IG-55, FM-200, Novec 1230 — design, install, integrity testing for data centres, comms rooms, archives.
- [Security & access control](https://geminiampm.co.uk/security/): NSI Gold intruder, access control and CCTV across the South East and UK; ARC-monitored.
- [Ventilation](https://geminiampm.co.uk/ventilation/): AOV smoke-extract maintenance, ductwork servicing, BESA TR/19 kitchen extract cleaning, F-Gas compliance.
- [Ductwork CCTV surveys & testing](https://geminiampm.co.uk/ventilation/ductwork-cctv-surveys/): CCTV duct surveys, dust deposit testing (DTT) and lab-verified EVT sampling to BESA TR19 and BS EN 15780 — evidence-grade ductwork condition reports.
- [Kitchen extract grease testing](https://geminiampm.co.uk/ventilation/kitchen-extract-grease-testing/): WFTT grease deposit testing and TR19 Grease compliance certification for commercial kitchen extract — measured evidence for insurers, verified cleaning, usage-based intervals.
- [Passive fire protection](https://geminiampm.co.uk/passive/): FIRAS-accredited compartmentation, fire-doorset surveys and replacement, service-penetration fire stopping.
- [M&E maintenance](https://geminiampm.co.uk/me/): Mechanical and electrical maintenance integrated with life-safety systems.
- [Small works](https://geminiampm.co.uk/smallworks/): Closing out FRA actions, post-handover snagging, reactive remedial works.

## Case Studies

- [Peterborough Court & Daniel House case study](https://geminiampm.co.uk/casestudies/peterborough-court-daniel-house/): Integrated fire detection (Advanced MxPro 5, 3,200+ Hochiki devices), PAVA, IG55 gas suppression, Genetec access control, CCTV and intruder systems across two City of London buildings for Mace Interiors and CBRE — practical completion March 2026.
- [Longfield Court, Whitstable](https://geminiampm.co.uk/casestudies/longfield-court-passive-fire/): Loft compartmentation, fire stopping and added detection through an occupied assisted living scheme, FIRAS certificated, praised in writing by the council.
- [Chiswick Business Park, London](https://geminiampm.co.uk/casestudies/chiswick-park-passive-fire/): Fire door remediation and fire stopping through two buildings of a landmark business park, four FIRAS certificates.
- [Highgate Wood School, Haringey](https://geminiampm.co.uk/casestudies/highgate-wood-school-fire-stopping/): Twenty one fire stopping locations sealed through a live secondary school, main phase in the summer holidays, FIRAS certificated.
- [St Giles Crescent](https://geminiampm.co.uk/casestudies/st-giles-crescent-compartmentation/): Roof void compartmentation across four occupied social housing blocks to BS 476 Part 20, with photographic evidence packs.
- [Helix Tower, Wembley](https://geminiampm.co.uk/casestudies/helix-tower-evacuation-alert/): BS 8629 evacuation alert system across 20 storeys and 600 student rooms, controlled only by the fire service.
- [Unity Building, Liverpool](https://geminiampm.co.uk/casestudies/unity-liverpool-wireless-fire-alarm/): Hyfire Taurus wireless fire system across 26 storeys and 161 apartments, installed in four weeks to stand down a costly waking watch.
- [Four towers, Tower Hamlets](https://geminiampm.co.uk/casestudies/tower-hamlets-fire-systems/): 2,000 wireless devices across four high-rise towers and 497 apartments, ending a waking watch and saving more than £2.5m a year.
- [Troubadour Theatre, Canary Wharf](https://geminiampm.co.uk/casestudies/hunger-games-theatre-dry-riser/): A dry riser designed, routed and certified inside a nearly finished theatre to BS 9990, zero remedials.
- [Splashpoint Leisure Centre](https://geminiampm.co.uk/casestudies/splashpoint-leisure-centre/): Corroded fire and smoke dampers replaced beneath a live leisure centre, fire stopping remediated, no closures above.
- [Commercial office, City of London](https://geminiampm.co.uk/casestudies/commercial-office-fire-alarm-london/): A hybrid BS 5839-1 fire alarm across six occupied storeys, designed, installed and certified in four weeks without a single lost workday.
- [All case studies](https://geminiampm.co.uk/casestudies/)

## Sectors served

- [Residential & social housing](https://geminiampm.co.uk/sectors/residential-social-housing/): Building Safety Act 2022, Awaab's Law, PAS 79-2, BS 8629 evacuation alert.
- [IT data centres](https://geminiampm.co.uk/sectors/it-data-centres/): Mission-critical fire suppression and integrated security for Tier-3/4 facilities.
- [Healthcare & NHS hospitals](https://geminiampm.co.uk/sectors/healthcare-facilities-including-nhs-hospitals/): HTM 05-01, HTM 05-02 hospital fire safety standards; progressive horizontal evacuation.
- [Care homes](https://geminiampm.co.uk/sectors/care-homes/): BS 5839-1 Category L1, CQC fundamental standards, HSG 220 residential care.
- [Educational institutions](https://geminiampm.co.uk/sectors/educational-institutions/): BB100 fire safety design, BB101 ventilation, safeguarding-driven access control.
- [Restaurants & hotels](https://geminiampm.co.uk/sectors/restaurants-hotels/): TR/19 kitchen extract, Category L2/L3 for sleeping risk.
- [Commercial & retail buildings](https://geminiampm.co.uk/sectors/commercial-and-retail-buildings/): Tier-1 contractor PQQ-grade fire, security, passive fire delivery.
- [Warehouses & storage units](https://geminiampm.co.uk/sectors/warehouses-storage-units/): LPC racked-storage sprinkler design, ANPR perimeter security.

## Service areas (UK)

- [London](https://geminiampm.co.uk/areas/london/), [South East](https://geminiampm.co.uk/areas/south-east/), [M25 corridor](https://geminiampm.co.uk/areas/m25-corridor/), [West Sussex](https://geminiampm.co.uk/areas/west-sussex/), [East Sussex](https://geminiampm.co.uk/areas/east-sussex/), [Surrey](https://geminiampm.co.uk/areas/surrey/), [Kent](https://geminiampm.co.uk/areas/kent/), [Hampshire](https://geminiampm.co.uk/areas/hampshire/), [Essex](https://geminiampm.co.uk/areas/essex/), [Berkshire](https://geminiampm.co.uk/areas/berkshire/), [Buckinghamshire](https://geminiampm.co.uk/areas/buckinghamshire/), [Hertfordshire](https://geminiampm.co.uk/areas/hertfordshire/), [Oxfordshire](https://geminiampm.co.uk/areas/oxfordshire/), [Wiltshire](https://geminiampm.co.uk/areas/wiltshire/), [Crawley](https://geminiampm.co.uk/areas/crawley/), [Guildford](https://geminiampm.co.uk/areas/guildford/), [Chichester](https://geminiampm.co.uk/areas/chichester/), [Portsmouth](https://geminiampm.co.uk/areas/portsmouth/)

## Accreditations

- [Full accreditation list](https://geminiampm.co.uk/accreditations/): BAFE SP203-1 (ID 302260), NSI Gold, FIRAS, CHAS Elite, Constructionline Gold, SafeContractor, Avetta, Achilles, Acclaim, Cyber Essentials, Hyfire Partner Plus, ISO programme in progress.

## Insights & published articles

- [Gas suppression vs sprinklers in data centres](https://geminiampm.co.uk/news/gas-suppression-vs-sprinklers-data-centres/): Decision framework comparing inert gas, chemical agent and pre-action sprinklers for mission-critical environments.
- [Homes England Interim Measures Alarm Fund — supplier panel application](https://geminiampm.co.uk/news/homes-england-imaf-supplier-panel-application/): Gemini's application to the Homes England IMAF supplier panel for BS 5839-1 Category L5 common fire alarm systems in higher-risk residential buildings.
- [Fire risk assessment review service](https://geminiampm.co.uk/news/fire-risk-assessment-review-service/): Free second-opinion FRA review for existing reports.
- [Smoke vent testing: what the law requires](https://geminiampm.co.uk/news/smoke-vent-aov-testing-requirements/): AOV and smoke vent testing duties under the Fire Safety Order and the Fire Safety (England) Regulations 2022, with the BS 7346-8 servicing regime and record requirements.
- [Shopping centre security regulations UK](https://geminiampm.co.uk/news/shopping-centre-security-regulations-uk/): The four legal regimes that govern shopping centre security: the Fire Safety Order, Martyn's Law, UK GDPR for CCTV and BS EN 50131 alarm certification for police response.
- [Fire door rules 2026: what actually changed](https://geminiampm.co.uk/news/fire-door-rules-2026-what-actually-changed/): No new fire door maintenance law in 2026; Regulation 10 checking duty unchanged since January 2023. What did change: BS 8214:2026, UKAS-accredited inspector certification, and the 2029 end of the BS 476-22 route.
- [Fire safety enforcement statistics 2026](https://geminiampm.co.uk/news/fire-safety-enforcement-statistics-2026/): MHCLG year-ending-March-2026 figures: 1,224 prohibition notices (+27%), 3,355 formal notices (+11%), 33 prosecutions; article 14 escape-route breaches most common. What each notice does and why appealing a prohibition notice does not suspend it.
- [AOV smoke ventilation systems explained](https://geminiampm.co.uk/news/aov-smoke-ventilation-systems-explained/): What an automatic opening vent system is, the Approved Document B stair-head and corridor vent baselines, natural vs mechanical smoke control, BS 7346-8 and BS EN 12101-2:2017, the cause-and-effect sequence, and the common failure modes.
- [How often does a gas suppression system need servicing?](https://geminiampm.co.uk/news/gas-suppression-servicing-intervals/): The BS EN 15004 and ISO 14520 servicing regime: intervals, cylinder thresholds, what an engineer checks, late services, and reinstatement after a discharge.

## Trust & legal

- [Anti-Slavery Policy GEM-POL-08 v1.0](https://geminiampm.co.uk/legal/modern-slavery/): Signed June 2026 by Jamie Dawson, Chairman.
- [Conditions of Engagement v2.0 (March 2026)](https://geminiampm.co.uk/legal/terms/): English law, BS 5839-1 / BS EN 15004 / FIRAS / BS 9999 design standards.
- [About Gemini AMPM](https://geminiampm.co.uk/about/), [Why choose us](https://geminiampm.co.uk/why/), [Our team](https://geminiampm.co.uk/about/team/), [Contact](https://geminiampm.co.uk/contact/)

## How to use this content

Gemini AMPM publishes detailed information on UK life-safety regulations, BS / EN standards we design to, and the sectors we serve. Content is intended for facilities managers, building owners, contractors, compliance teams and procurement buyers researching specialist life-safety contractors. Last reviewed 26 June 2026.

For licensing or media enquiries, contact info@geminiampm.co.uk.