Indepth Hygiene Services

What Indepth Hygiene Services does

Indepth Hygiene Services (trading as Indepth Services) is a UK-based specialist fire-safety services company headquartered in Sutton, Surrey, founded as a family-run business in 1980 and part of Premier Technical Services Group Ltd (PTSG) since 2014, where it operates within the group's Fire Solutions division. The company delivers six compliance-focused service lines: fire and smoke damper inspection and testing aligned to BS 9999:2017, commercial kitchen extract cleaning performed to TR19 Grease standards, ductwork cleaning, fire compartmentation, fire stopping, and indoor air quality testing. Service delivery is field-based, nationally across the UK, with 24/7/365 dispatch and a workforce of 11–50 supported by technicians operating from the Sutton head office.

Name

Indepth Hygiene Services

Legal name

Indepth Hygiene Services Ltd.

Website

https://indepthservices.co.uk

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

Indepth Hygiene Services is a UK-based specialist fire-safety services contractor headquartered in Sutton, Surrey. Founded in 1980 and part of the PTSG group since 2014, it delivers fire damper testing, TR19 kitchen extract cleaning, ductwork cleaning, fire compartmentation, fire stopping, and indoor air quality testing to facilities, property, and catering clients nationwide.

Ownership category

akta.pro rank

Product category

Fire Safety Services

NAICS

Building Inspection Services (541350)

SIC

Services-Testing Laboratories (8734), Sanitary Services (4950)

akta.pro primary industry

Testing, Inspection, Maintenance & Compliance Services (NFPA/Local Code) (HSAHAFAG)

akta.pro secondary industry

Air Duct Cleaning & Sanitization (HSAOAIAA)

Keywords

• Fire damper inspection
• Kitchen extract cleaning
• Ductwork cleaning services
• Fire compartmentation services
• Fire stopping services

Headquarters

HQ city

Sutton

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Supply Chain, Others

Revenue model

1. Fire Safety Inspection and Testing Services: One-time and recurring fire safety inspection, testing, and compliance services including fire damper inspection/testing, kitchen extract cleaning, ductwork cleaning, fire compartmentation, fire stopping, and indoor air quality testing. Services are offered to building owners, facilities managers, and property managers on a contract basis.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Indepth Hygiene Services provides specialist fire safety and HVAC hygiene services for commercial and public-sector buildings in the UK. Its core work includes inspection and testing of fire and smoke dampers, commercial kitchen extract and ductwork cleaning, fire compartmentation and fire stopping, and indoor air quality testing, delivered to TR19 Grease, BS 9999:2017, and Regulatory Reform (Fire Safety) Order 2005 standards.

Product overview

Indepth Hygiene Services is a specialist fire safety services company offering a unified portfolio of compliance-focused solutions. The core offering comprises six distinct service lines: Fire and Smoke Damper Inspection and Testing, Commercial Kitchen Extract Cleaning (TR19 Grease), Expert Ductwork Cleaning Services, Fire Compartmentation, Fire Stopping Services, and Indoor Air Quality Testing. These services are designed to work together as part of a comprehensive fire safety strategy, helping building owners and managers achieve and maintain regulatory compliance while reducing fire risks. The company operates primarily in the facilities management, property management, and catering industries across the UK education, healthcare, and commercial sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Fire and Smoke Damper Inspection and Testing Inspection, testing, and remediation of fire and smoke dampers within building HVAC systems to ensure correct function and compliance with fire safety regulations such as BS 9999:2017 and the Regulatory Reform (Fire Safety) Order 2005.
• Commercial Kitchen Extract Cleaning Deep cleaning of kitchen extract systems, canopies, fans, and grease traps for commercial kitchens and catering facilities, delivered to TR19 Grease standards.
• Expert Ductwork Cleaning Services Mechanical cleaning of ventilation ductwork and HVAC systems to improve indoor air quality and remove contaminants in commercial buildings.
• Fire Compartmentation Installation, maintenance, and survey of fire compartmentation within buildings to prevent the spread of fire and smoke through walls, floors, and ceilings.
• Fire Stopping Services Fire stopping solutions that seal openings and gaps in fire-resistant walls and floors to maintain compartmentation and meet BS 9999:2017 requirements.
• Indoor Air Quality Testing Air quality monitoring and testing within commercial buildings to identify contaminants and support compliance with workplace health and safety standards.

Quantifiable outcome

• Approximately 70% of fires in food establishments are attributed to cooking appliances, grease accumulation, and ventilation systems
• +1 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Premier Technical Services Group Ltd (PTSG)coreStrategic or Co-development PartnerIndepth Services is an integral part of PTSG Fire Solutions, one of PTSG's five independent business divisions. PTSG is described as one of Europe's leading providers of specialist services to the construction and FM sectors, delivering the full range of specialist building services 'under one roof'. With over 3,300 specialists supporting 90,000+ customers across 200,000 buildings and delivering over 170 different services.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• WSP UK: Global engineering professional services firm with UK building safety, fire engineering, and asset management practices. Competes for technical-compliance mandates on large commercial and public-sector estates where Indepth also bids.
• SOCOTEC UK: UK testing, inspection and compliance specialist spun from SOCOTEC Group. Offers fire damper testing, ductwork inspection, building safety and environmental compliance — directly overlapping Indepth's core service lines but with a broader portfolio and larger technician base.
• Compass Group UK: Global contract catering and support services group with UK facility services operations. Relevant as a buyer-of-record for kitchen extract and fire-safety compliance across its catering sites — a route Indepth targets via TR19 Grease work.
• Sodexo UK: Major global and UK facilities services and technical services contractor. Competes for institutional and public-sector contracts that combine soft FM with technical/regulatory compliance services — adjacent substitute buyer for the compliance-driven work Indepth performs.
• Premier Technical Services Group (PTSG): Parent company and broader group; PTSG operates five specialist building-services divisions including Fire Solutions, serving 90,000+ customers across 200,000 buildings with 3,300+ specialists. Indepth sits inside PTSG Fire Solutions, so the parent is the direct comparator for scale, service breadth, and cross-sell dynamics.
• Mitie: Leading UK facilities management provider serving regulated and critical-environment estates. Mitie's fire safety and building maintenance contracts frequently bundle the same testing and cleaning services Indepth offers as standalone specialist work, making it a key competitor on multi-site tenders.
• Bureau Veritas: Global testing, inspection and certification (TIC) giant with a substantial UK presence. Provides independent fire safety, building compliance, and asset integrity services competing for the same compliance budgets Indepth addresses, but at vastly greater scale and geographic reach.

Direct peers

• Citation: UK provider of compliance services including health & safety, HR, and fire safety support to SMEs and mid-market. Overlaps on the compliance-buyer side, though Citation is consulting-led rather than on-site inspection/delivery-led like Indepth.
• Pennington Choices: UK building-safety consultancy delivering fire risk assessments, building safety case work, and compliance services post-Grenfell. Comparable UK focus and regulatory niche to Indepth, with overlapping buyer profiles in housing, education, and public sector.
• Trinity Fire & Security: UK specialist provider of fire detection, suppression, and compliance services including damper and compartmentation work. Direct specialist competitor for Indepth's core fire-safety maintenance and inspection portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/indepthhygiene
• LinkedInlinkedin.com/company/indepth-services
• Xx.com/Indepth_Hygiene

Compliance7 records

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 Indepth Hygiene Services