Glen Wilson

Name

Glen Wilson

Legal name

Glen Wilson Ltd.

Website

https://glenwilson.co.uk

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Commercial Ventilation Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Plumbing, Heating, and Air-Conditioning Contractors (23822), Electrical Contractors and Other Wiring Installation Contractors (23821), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Ventilation System Installation & Repair (Bath/Kitchen Fans, ERV/HRV) (HSAOAIAF)

akta.pro secondary industries

Ventilation System Installation (Exhaust Fans, ERV/HRV, Make-Up Air) (HSAOAGAI), New Construction HVAC Rough-In & Final Set (Residential/Light Commercial) (HSAOAGAL), HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration) (EUAEAFAE)

Keywords

• Ventilation design installation
• Air handling maintenance
• Fire damper testing
• LEV inspection services
• Industrial electrical installation

Headquarters

HQ city

Kingston upon Hull

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Ventilation Installation Projects: Design and installation of bespoke ventilation systems for commercial and industrial clients, likely project-based with one-time fees.
2. Maintenance and Servicing: Regular planned maintenance services for air-handling equipment, filters, motors, coils, and system cleaning, suggesting recurring maintenance contracts.
3. Testing and Validation Services: Commissioning, validation, fire damper testing, LEV testing, and bacterial testing services provided to ensure compliance with industry standards.
4. Fan Repairs: Repair and replacement services for fan units including vibration testing and component replacement.
5. Electrical Installation: Commercial and industrial electrical installations, maintenance, and control system packages.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Glen Wilson Limited designs, installs, commissions, validates, and maintains ventilation systems for commercial and industrial buildings across the UK. The company delivers an integrated portfolio spanning bespoke ventilation design and installation, air handling maintenance, fire damper testing, electrical installation, fan repairs, and commissioning/validation services. All services are delivered as turn-key packages by in-house management and engineering teams, with compliance to BS9999 and HVCA DW/145 standards.

Product overview

Glen Wilson Limited is a ventilation specialist company established in 1948, offering a comprehensive suite of integrated ventilation services for commercial and industrial clients. The company provides a unified service portfolio comprising: ventilation design and installation (the core offering), air handling maintenance, fire damper testing, electrical installation, fan repairs, and commissioning and validation services. These services are designed to work together as an end-to-end solution, with the electrical and mechanical divisions coordinating to deliver complete air handling packages, and commissioning services ensuring systems operate correctly post-installation.

Differentiator

Problem solved

Functional benefit

Products and services

• Ventilation Design & Installation Bespoke design and installation of ventilation systems for commercial and industrial environments, from office spaces to clean rooms, delivered as full turn-key packages with energy efficiency prioritised.
• Air Handling Maintenance Regular planned maintenance service covering filters, drive belts, motors, coils, dampers, ductwork cleaning, bacterial testing, and LEV testing/inspection for air-handling systems.
• Fire Damper Testing Professional fire and smoke damper testing and validation with detailed documentation and photographic evidence, including remedial works to ensure BS9999 regulatory compliance.
• Electrical Installation Turn-key electrical and control package installations for air handling systems — from small extraction to full air handling units — as well as commercial and industrial electrical maintenance by NICEIC and COMPEX approved engineers.
• Fan Repairs Repair and replacement services for fan units including initial inspection, vibration testing for bearing/shaft wear, and cost-effective repair proposals delivered by experienced service engineers.
• Commissioning & Validation Services End-to-end commissioning and validation services ensuring ventilation systems operate correctly, including fire damper testing, LEV inspection, supply and extraction balancing, ductwork and kitchen ventilation cleaning, and bacterial swab testing with detailed reporting.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators2 records

Recent moves3 records

Others

• Building Engineering Services Association (BESA): UK trade association representing building engineering services contractors including ventilation specialists. Useful ecosystem context for understanding the competitive set and standards framework Glen Wilson operates within.

Broad incumbents

• Daikin UK: Major HVAC manufacturer and service operator in the UK. Comparable as a ventilation/HVAC player but operates from an OEM position with national-scale service infrastructure rather than regional contracting.
• Trane UK: Global HVAC equipment manufacturer and service provider with a UK footprint. Comparable at the system level (air handling units, chillers) but operates as a large OEM rather than a regional install/maintain contractor.
• Mitsubishi Electric UK (Living Environmental Systems): UK division of a global HVAC manufacturer offering ventilation, air conditioning, and building systems. Comparable in the air-handling equipment category but at much larger scale and with OEM economics.

Emerging players

• EnviroVent: UK manufacturer and installer of residential and light commercial ventilation products including MVHR systems. Adjacent in ventilation but skewed toward residential retrofit rather than the commercial/industrial focus of Glen Wilson.

Regional players

• Selwood Environmental Services: UK environmental services and mechanical contractor with a ventilation and ductwork offering. Comparable service portfolio but typically serves larger-scale infrastructure and plant projects.

Direct peers

• Dean Wilson Group: UK-based building services and ventilation contractor with comparable mechanical, electrical, and maintenance offerings. Operates in a similar SME contractor tier serving commercial and industrial end markets.
• Universal Air Conditioning: UK HVAC installation and maintenance contractor delivering air conditioning and ventilation services to commercial and industrial clients. Comparable business model focused on design, install, and service of air-handling systems.
• HVP (Heating, Ventilation & Plumbing) Group: UK mechanical services contractor providing heating, ventilation, plumbing, and air conditioning services to commercial clients. Comparable in service mix and target end markets.
• Foreman Contracts: UK mechanical and ventilation contractor offering design, installation, and maintenance of HVAC and ductwork systems for commercial clients. Directly comparable as a similarly-sized regional mechanical specialist competing for the same project-based work.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xglenwilson.co.uk/wp-content/themes/theme52551/images/social/twitter.png
• Facebookfacebook.com/Glen-Wilson-Limited-100046608495304

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Glen Wilson