GAS SAFE EUROPE LIMITED

What GAS SAFE EUROPE LIMITED does

Gas Safe Europe Limited is a UK-based, family-owned manufacturer of aerosol-based testing products for smoke and carbon monoxide (CO) alarm systems, founded by engineer and analytical chemist John Stones approximately 35 years ago. Its core technology delivers calibrated test gas (for CO) and synthetic smoke aerosol (for smoke detectors) inside purpose-built dispensers and telescopic poles, enabling sensor-inclusive verification rather than mere circuitry tests. The product portfolio spans the DetectaGas DG1/DG2 CO test kits, DetectaSmoke DS1/DSF1 smoke aerosols, the DetectaHead DH1 dispenser (UK Registered Design 6390448), the DetectaPole DP1 telescopic pole, DetectaReach DR1, plus ancillary DetectaDusta, DetectaLeak and Loose Juice consumables and compliance documentation accessories.

The business operates a hardware sales model with a recurring consumable refill cycle: each DG2 canister provides 11 calibrated tests at under £1.50 per test, while smoke aerosol cans deliver around 200 tests. Go-to-market combines a direct website and the firedetectionshop.co.uk e-commerce storefront with a global distributor network that includes tecnofire, firesense, cpc, smartSD, cignetix, Honeywell, Illumino Ignis, Midland Chandlers, and Arleigh Group, plus targeted direct outreach at industry events such as the Landlord Law Conference. Primary customer segments are UK social housing providers and landlords bound by the Smoke and Carbon Monoxide Regulations 2015, fire and security service companies, caravan and marine owners, and individual homeowners. The company also holds a long-standing partnership with NIOSH, the US Coast Guard and NASBLA on houseboat CO exposure research, and is collaborating with BSI on a Publicly Available Specification for sensor-inclusive testing.

Name

GAS SAFE EUROPE LIMITED

Legal name

Gas Safe Europe Limited

Website

https://gassafeeurope.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

1–10 employees

Short description

Gas Safe Europe Limited designs and manufactures aerosol-based test products (DetectaGas, DetectaSmoke) and accessories that enable sensor-inclusive verification of smoke and carbon monoxide alarms, selling to UK landlords, housing associations, fire and security contractors, and caravan/marine owners via distributors and direct e-commerce.

Ownership category

akta.pro rank

Product category

Life Safety Testing Equipment

NAICS

Analytical Laboratory Instrument Manufacturing (334516)

SIC

Chemicals & Allied Products (2800)

akta.pro primary industry

Carbon Monoxide (CO) Alarm Systems (HSAHAFAB)

akta.pro secondary industries

Combination Smoke/CO Alarm Systems (HSAHAFAC), Carbon Monoxide & Smoke Detection Monitoring Services (HSAHAAAJ), Gas Leak Detection & Gas Safety Testing (HSAOAKAC)

Keywords

• Aerosol smoke alarm testing
• Carbon monoxide alarm testing
• Life safety equipment
• Fire detector test gas
• Leak detection aerosols

Headquarters

HQ city

Chester

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Technology or R&D, Personnel

Revenue model

1. Safety Testing Equipment Sales: Sale of CO and smoke alarm testing products including DetectaGas, DetectaSmoke, DetectaHead, DetectaPole, and accessories like test record pads and tamper-proof stickers. One-time hardware product sales with consumable refills.
2. Consumable Aerosol Refills: Ongoing sales of replacement aerosol cans for alarm testing equipment including DetectaGas DG1, DG2, DetectaSmoke DS1, DSF1, and related products.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Gas Safe Europe Limited designs, manufactures, and distributes aerosol-based testing products used to verify the sensor functionality of smoke and carbon monoxide (CO) alarms. Its core Detecta Range includes the patented DetectaGas CO test kits, DetectaSmoke synthetic smoke aerosols, plus accessories such as the DetectaHead dispenser, DetectaPole telescopic pole, DetectaReach dispenser, DetectaDusta cleaner, DetectaLeak gas leak detector, and Loose Juice maintenance spray, alongside compliance record pads and failed-test stickers.

Product overview

Gas Safe Europe Ltd is a multi award-winning innovator in life safety devices, offering a comprehensive portfolio of products for testing smoke and carbon monoxide (CO) alarms. The core product line consists of the DetectaGas® CO Alarm Test Kit (DG2 and DG1) for testing CO alarms and fire detecting alarms, and DetectaSmoke® (DS1 and DSF1) for smoke detector testing. These are complemented by accessories including DetectaHead® Aerosol Dispenser (DH1) and DetectaPole® Telescopic Pole (DP1) for at-height testing, plus DetectaReach® (DR1) for hard-to-reach detectors. Supporting products include DetectaDusta® (DD1) for detector cleaning, DetectaLeak® (DL1) for gas/air leak testing, and Loose Juice® maintenance spray. Documentation and compliance tools include the Smoke & CO Alarm Test Record Pad and Warning Triangle Failed Test Stickers. The company holds ISO 9001:2015 certification and has been saving lives for over 25 years.

Differentiator

Problem solved

Functional benefit

Brands

• Detectagas: Multi award-winning CO alarm test kit for testing the sensor element of carbon monoxide alarms. Patented product that delivers a controlled amount of CO to test sensors safely.
• Detectasmoke
• DetectaDusta
• Detectaleak
• DetectaHead
• DetectaPole
• DetectaReach
• Loose Juice

Products and services

• DetectaGas CO Alarm Test Kit (DG2) Multi award-winning 400ml carbon monoxide alarm test kit that delivers a calibrated amount of test CO held in a test shroud supplied in the lid, enabling users to verify that CO alarm sensors are sensitive and accurate. Contains 11 calibrated tests per canister. For landlords, housing associations, fire and security professionals, and caravan/marine owners.
• DetectaGas (DG1) 250ml CO spray designed for testing ceiling mounted fire detecting CO alarms. Compatible with all pole delivery devices and intended for professional fire detection applications rather than domestic CO alarms.
• DetectaSmoke (DSF1) Ultra-low residue synthetic smoke aerosol in 250ml format providing 200 tests per can, delivering particles that imitate real smoke to fire and smoke detectors. Endorsed by leading smoke alarm manufacturers and used across Fire and Security, Maintenance, and Marine industries.
• DetectaSmoke (DS1) Non-flammable, ultra-low residue formula smoke and fire alarm test aerosol supplied in 250ml plus 150ml (DS2), used across Fire and Security, Maintenance and Marine industries.
• DetectaHead Aerosol Dispenser (DH1) UK designed aerosol dispenser for smoke and CO alarm testing at height. Features a crystal clear cup, no springs to replace, universal fit for most detectors, eco-friendly design, and holds Registered Design no: 6390448.
• DetectaPole Telescopic Pole (DP1) Telescopic pole for at-height alarm testing reaching 6.4M length with a 7.7 metre working height. Made of sturdy, non-electrically conductive glass fibre and approved by leading detector manufacturers.
• DetectaReach Aerosol Dispenser (DR1) Aerosol dispenser designed for testing hard-to-reach smoke detectors; marketed as the best fire alarm tester for hard-to-reach detectors. Note: on 22 April 2026 the High Court ruled this product infringes EP (UK) No. 2 265 516 B1.
• DetectaDusta (DD1) Non-flammable, environmentally safe, non-abrasive detector cleaner that clears dust, dirt, cobwebs and insects that can cause alarms to malfunction. Doubles as a general air duster with a straw for hard-to-reach places.
• DetectaLeak (DL1) Non-flammable, non-corrosive, biodegradable leak detection aerosol for gas and compressed air systems, containing a corrosion inhibitor suitable for plastic, iron and copper piping. Supplied in 250ml.
• Loose Juice Maintenance Spray Technically advanced maintenance spray with molybdenum for high temperature applications, offering water displacement, lubrication and penetrative properties for over 2000 domestic and industrial uses. Supplied in a 400ml recyclable tin can.
• Smoke & CO Alarm Test Record Pad Triplicate record pad containing 50 copies per book for landlords and housing providers to maintain auditable records of CO and smoke alarm tests under UK Smoke and Carbon Monoxide Regulations 2015.
• Warning Triangle Failed Test Stickers Virtually non-removable, super sticky failed-test warning stickers for CO and smoke alarms, supplied 50 per roll, used to flag faulty alarms and prevent re-use.

Quantifiable outcome

• 45% of installed CO alarms are no longer sensing gas
• +4 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Six partnerships are on record, tiered core.

• National Caravan Council (NCC)coreGTM or Marketing PartnerNCC, a major trade body representing the caravan industry, issued a technical bulletin recommending annual gas sensor tests and endorsing Detectagas. This endorsement drove a 500% increase in orders and is described as the first major organization to fully support sensor-inclusive testing.
• National Association of State Boating Law Administrators (NASBLA)coreStrategic or Co-development PartnerPartner in NIOSH/US Coast Guard interagency research initiative to evaluate CO exposures from generators and propulsion engines on houseboats. Work conducted since 2002 under continuing Interagency agreement.
• US Coast GuardcoreStrategic or Co-development PartnerCollaborated since 2002 under an Interagency agreement with the U.S. Coast Guard to address boat-related CO poisonings.
• National Institute for Occupational Safety and Health (NIOSH)coreStrategic or Co-development PartnerNIOSH industrial hygienists and engineers conducted investigations on CO exposures and worked with manufacturers on engineering controls to reduce CO concentrations on houseboats.
• BSI (British Standards Institution)coreTechnology or IntegrationGas Safe Europe is working with BSI to develop a British Standard (PAS) for sensor inclusive testing of domestic CO alarms.
• Smoke Alarm ManufacturerscoreTechnology or IntegrationDetectaSmoke approved by leading smoke alarm manufacturers worldwide including Bosch, ESSER by Honeywell, Honeywell, Morley IAS by Honeywell, Notifier by Honeywell, and System Sensor.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Texecom Ltd: UK-based security and intrusion alarm manufacturer expanding into connected life-safety. Comparable as a UK-headquartered family-built safety hardware specialist with similar export-led growth profile.
• Bosch Sicherheitssysteme (Building Technologies): Bosch's fire alarm systems business (a listed DetectaSmoke endorsement partner) competes in integrated CO/smoke detection and is exposed to the same compliance-driven test protocols in Europe.
• Aico (Ei Electronics): UK-based manufacturer of domestic smoke and CO alarms (AudioLINK, SmartLINK). Adjacent on the testing ecosystem since Aico's installed bases drive aftermarket demand for sensor-inclusive test kits like Detectagas.
• Honeywell International: Global fire safety incumbent (Notifier, System Sensor, ESSER, Morley IAS) and one of Gas Safe Europe's listed distributors. Comparable in delivering life-safety and alarm-verification products to commercial and industrial customers worldwide.
• Apollo Fire Detectors Ltd: UK fire detection equipment manufacturer serving commercial and residential markets. Overlaps in addressing landlord/housing compliance use cases and benefits from the same UK regulatory tailwinds.
• First Alert / BRK Electronics: North American smoke and CO alarm brand. Comparable as a broad life-safety incumbent whose installed residential base feeds aftermarket sensor-testing demand.
• Kidde (Carrier Global): Global smoke and CO alarm manufacturer (incl. Firex, BRK). Comparable in serving landlord, housing, and residential safety compliance demand and shaping the regulatory environment for alarm testing.

Direct peers

• No Climb Products Ltd (Testifire/Detectortesters): Direct competitor in aerosol smoke and CO alarm testing equipment (Testifire, Solo brands). Holds EP (UK) 2 265 516 B1 patent that Gas Safe Europe was found to infringe; their product range and B2B servicing model are the closest analog to GSEL's Detecta range.
• SDi (Specialized Detection / SD Ireland): Manufacturer of smoke and CO alarm test aerosols (e.g., Test Smoke, Solo A4) widely used by fire and security service companies; competes head-to-head with DetectaSmoke in fire servicing and maintenance channels.

Emerging players

• Netatmo (Legrand): Smart-home smoke/CO detectors with self-test sensors and app-based diagnostics. An emerging alternative to manual aerosol sensor-inclusive testing that could erode the GSEL value proposition if smart-alarm penetration in rentals accelerates.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/detectagas
• LinkedInlinkedin.com/company/detectagas

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GAS SAFE EUROPE LIMITED