Lorne Stewart Group

What Lorne Stewart Group does

Lorne Stewart Group is a UK-based private company headquartered in Harrow that delivers off-site modular design and construction alongside mechanical and electrical (M&E) compliance contracts and ongoing building services. Its stated offering spans the full facilities lifecycle — from factory-based modular fabrication through to on-site installation, regulatory M&E sign-off, and post-completion building services/maintenance — positioning it as an integrated building services contractor rather than a single-trade provider. The business operates at mid-to-large scale, with a reported headcount of 1,001–5,000 employees, indicating a substantial trade workforce, off-site manufacturing capacity, and a multi-region UK operational footprint typical of an established M&E and modular construction group.

The company's revenue mechanics are not disclosed in the available input data; however, its service mix implies a contract-based B2B and B2G (public sector) revenue model anchored on project tenders, framework agreements, and ongoing facilities-management retainers. No pricing models, public customers, channel details, or product/pricing information were extractable from the supplied sources, which consist of a firmographic record and a non-resolving company website. Consequently, segments served, average contract value, and channel mix cannot be characterized from the data provided. No parent company, subsidiaries, ownership structure, funding history, leadership team, M&A activity, certifications, or partnerships were disclosed in the input, leaving significant gaps in the investment picture that would need to be closed through additional primary research (Companies House filings, project pipeline disclosures, and management interviews) before any diligence-grade assessment could be finalized.

Data limitations to flag: the primary website source returned a loading/verification page and contributed no substantive business content, and all enrichment fields (value proposition, technology stack, customer logos, awards, headcount trend, ownership, and financials) are empty or marked as 'no information available' in the source records.

Name

Lorne Stewart Group

Website

https://lornestewartgroup.com

Company type

Private

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Lorne Stewart Group is a UK-based private building services firm offering off-site modular design and construction, mechanical and electrical compliance contracts, and ongoing building services to commercial and public-sector clients.

Ownership category

akta.pro rank

Product category

Building and Construction Services

NAICS

Commercial and Institutional Building Construction (236220)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE)

Keywords

• Modular construction services
• Mechanical electrical compliance
• Building services contracts
• Off-site construction design
• Facilities maintenance services

Headquarters

HQ city

Harrow

HQ country

United Kingdom

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Core offering

Lorne Stewart Group provides off-site modular design and construction, mechanical and electrical compliance contracting, and ongoing building services for facility-owning organizations. It delivers both the build phase (including factory-built modular elements) and the post-completion operational phase (compliance, maintenance, and lifecycle services) of non-residential building assets.

Differentiator

Problem solved

Functional benefit

Products and services

• Off-site Modular Design and Construction Design and factory-built (off-site) modular construction delivery for non-residential building projects, supplied to facility-owning organizations commissioning capital works.
• Mechanical and Electrical Compliance Contracts Mechanical and electrical contracting services focused on compliance for non-residential building assets, delivered to facility owners and operators on a contracted basis.
• Building Services Ongoing building services covering maintenance and operational support for occupied non-residential building assets, supplied to facilities-owning organizations.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Broad incumbents

• Kier Group: Major UK construction and infrastructure group with significant building services and MEP capabilities through Kier Places. Comparable because it competes for the same UK building, infrastructure, and frameworks that Lorne Stewart serves, but at materially larger scale and broader scope.
• Willmott Dixon: UK-focused construction and property services group delivering design-build and ongoing building services. Comparable in its combination of construction delivery and post-completion services to UK commercial, education, and public-sector clients.
• Morgan Sindall Group: UK construction and regeneration group with a construction services division covering design, build, and fit-out. Comparable end-market exposure in UK building and infrastructure, with overlapping modular/fit-out capability.
• Wates Group: UK construction, property services, and facilities management group with a dedicated Wates Property Services arm. Comparable because it offers the same integrated construction-plus-recurring-services model targeting UK commercial and public-sector clients.
• Skanska UK: UK arm of global contractor Skanska, focused on building, infrastructure, and facilities services. Comparable because it combines construction delivery with MEP-heavy building services in the same UK end markets as Lorne Stewart.
• Bowmer + Kirkland: UK-headquartered design-and-build contractor with strong commercial, industrial, and leisure building delivery. Comparable in its design-build construction focus and similar mid-tier scale within UK building markets.
• Balfour Beatty: Major UK and international infrastructure group with significant building and MEP services delivery. Comparable end-market overlap and capability set, though at considerably larger scale and broader geographic reach.
• Mace Group: International consultancy and construction firm with a strong UK building services and MEP consultancy arm (Mace Tech). Comparable because it integrates construction delivery with ongoing MEP/services, similar in structure to Lorne Stewart's bundled model.

Direct peers

• MITIE: UK facilities management and building services provider with engineering services including mechanical and electrical compliance. Comparable because it captures the same recurring building services and MEP compliance spend as Lorne Stewart's services arm, though MITIE is far larger and more facilities-management-led.
• NG Bailey: UK-based mechanical, electrical and building services contractor delivering MEP design, installation, and facilities services. Closely comparable to Lorne Stewart Group's MEP compliance and building services core, with similar headcount and end-market exposure.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

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 Lorne Stewart Group