NW Mechanical Services

What NW Mechanical Services does

NW Mechanical Services is a London-based specialist contractor that designs, supplies, installs, and commissions Mechanical Ventilation with Heat Recovery (MVHR) and Mechanical Extract Ventilation (MEV) systems for residential and commercial property developments across London and the South East of England. It operates as a trading name of Nigel Willis Marketing Limited, a private limited company registered in England and Wales (company number 07904777), and is headquartered at Hillman Building, 46-48 Ennersdale Road, London, SE13 6JB. The company is differentiated by BPEC-accredited commissioning engineers who certify ventilation installations to Part F of the Building Regulations for England & Wales 2010, a step that materially affects developers' SAP energy performance calculations and building control sign-off.

The core product portfolio consists of MVHR systems, MEV/central extract systems, and bespoke air conditioning installations using Mitsubishi, Daikin, and Toshiba, supported by 3D CAD design services. NW Mechanical is brand-agnostic on equipment, installing Nuaire, Itho, Greenwood, and Vent Axia, with Nuaire serving as the primary supplier relationship on flagship projects. Commercial activity is anchored by three documented enterprise developments: Cannon Wharf–Surrey Quays with HSE and Barratts London (700+ properties over a two/three-year programme), Wharf Road–Islington with HSE and United House (327 apartments across four blocks), and Royal Arsenal–Woolwich with Briar Mechanical and Berkeley Homes (346 installations across two phases).

The business operates a project-based, one-time revenue model with no publicly disclosed pricing; quotations are produced from customer-submitted floor plans and room layouts, followed by technical site inspection before installation. Go-to-market is enterprise field sales to property developers, contractors, and national housebuilders, supported by a website and direct phone contact. The firm runs on a lean team of approximately 10 employees with no disclosed external funding, no parent company, and no public listing; expansion signals are limited to incremental product-line breadth (air conditioning) and the use of high-end residential and commercial segments as secondary markets.

Name

NW Mechanical Services

Legal name

Nigel Willis Marketing Limited

Website

https://nwmechanicalservices.co.uk

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

NW Mechanical Services is a London-based specialist contractor that designs, supplies, installs, and commissions BPEC-accredited MVHR and MEV ventilation systems for property developers, contractors, and housebuilders across London and the South East of England.

Ownership category

akta.pro rank

Product category

Mechanical Ventilation Installation Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (23822)

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), HVAC Installation, Service & Repair (IMAIABAA)

Keywords

• Mechanical ventilation installation
• Heat recovery systems
• Building regulations compliance
• MVHR MEV systems
• Residential ventilation services

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Heat Recovery & Ventilation Installation Services: Design, supply, installation, and commissioning of MVHR and MEV systems to property developers and contractors. Project-based revenue from large residential developments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

NW Mechanical Services designs, supplies, installs, and commissions Mechanical Ventilation with Heat Recovery (MVHR) and Mechanical Extract Ventilation (MEV) systems, along with air conditioning installations, for property developers, contractors, and housebuilders across London and the South East. Each project begins with no-obligation designs and quotations from customer-submitted floor plans, supported by 3D CAD designs, technical inspections, and BPEC-accredited commissioning to ensure compliance with Part F of the Building Regulations and SAP requirements.

Product overview

NW Mechanical Services provides a one-stop-shop for air management systems, primarily serving domestic and commercial property developments across London and the South East. Their core product portfolio consists of Mechanical Ventilation with Heat Recovery (MVHR) systems, Central Extract/Mechanical Extract Ventilation (MEV) systems, and Air Conditioning installation services. These are supported by 3D CAD design services and BPEC accredited commissioning. The company works with major ventilation brands including Nuaire, Itho, Greenwood, and Vent Axia for MVHR/MEV systems, and Mitsubishi, Daikin, and Toshiba for air conditioning.

Differentiator

Problem solved

Functional benefit

Named customers5 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• NuairecoreTechnology or IntegrationClose working relationship with leading national ventilation company Nuaire. All MVHR units for projects like Cannon Wharf development supplied by Nuaire. Nuaire is a primary equipment supplier for NW Mechanical Services installations.

Scale indicators3 records

Recent moves3 records

Expansion highlights4 records

Direct peers

• Dodd Group: Mid-sized UK mechanical, electrical, and building services contractor serving residential developers, social housing, and commercial clients. Comparable in scale, service mix (HVAC installation, commissioning), and customer type.
• J S Wright & Co: Long-established UK mechanical services contractor delivering HVAC, plumbing, and ventilation installations for residential developers and commercial clients. Closely comparable business model, customer profile, and Part F compliance-driven scope.
• Speller Metcalfe: UK mechanical, electrical, and building services contractor active on residential and commercial schemes including new-build housing. Similar specialist contracting model, comparable Part F/mechanical commissioning exposure.
• BES Group: UK building engineering services contractor providing mechanical, HVAC, and electrical installations across residential and commercial sectors. Closely comparable specialist-contractor profile and Part F / commissioning scope.
• Bowmer + Kirkland: UK building and mechanical services contractor working on residential and mixed-use developments for major housebuilders. Overlapping customer base (national developers) and similar design-and-install HVAC scope.

Broad incumbents

• NG Bailey: One of the UK's largest independent mechanical & electrical contractors, operating broadly across commercial, infrastructure, and residential markets. Overlaps with NWMS on HVAC installation and commissioning but at much larger scale and portfolio breadth.
• Imtech (Equans): Major European technical services group (now part of Equans/ENGIE) offering HVAC, mechanical, and building services across the UK. Comparable end services but operates as a broad multi-discipline incumbent rather than a residential-ventilation specialist.
• Carrier UK: Global HVAC equipment manufacturer with a UK service and installer network. Overlaps with NWMS in residential and commercial heating/ventilation, but primarily a manufacturer and broad incumbent rather than a regional installation specialist.
• EMCOR Group: Global mechanical & electrical building services firm with UK operations delivering HVAC installation, commissioning, and maintenance. Comparable end services, broader portfolio, and significantly larger scale.
• Baxi: Major UK heating and hot-water equipment manufacturer with growing service and installer-network operations. Adjacent market overlap in residential heating and ventilation compliance, though primarily a manufacturer rather than a pure installer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/nw-mechanical-services

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 NW Mechanical Services