leonard engineering design associates

What leonard engineering design associates does

Leonard Engineering Design Associates (LEDA) is a UK-based building services design consultancy founded in 1993 by Phil Leonard and headquartered in Woking, Surrey. The firm provides mechanical, electrical, and public health engineering design, supplemented by sustainability modelling (including EPC/DEC production, dynamic thermal simulation, Part L compliance, and overheating analysis) and CAD design services (3D Revit modelling and 2D drafting). Its service portfolio is delivered as an integrated consultancy across the full RIBA Stages 0-6 lifecycle, with documented specialist expertise in healthcare ventilation (including operating theatre ultraclean systems), close control cooling for data rooms, combined heat and power systems, and MEP integration in heritage and Grade I listed buildings.

LEDA's primary client base is concentrated in the UK defense and government sector (BAE Systems, Airbus Defence and Space, MOD Navy Warfighting Centre) and large commercial and healthcare enterprises (Citco Technology Management, Spire Healthcare). The firm operates on a project-based professional services model, with disclosed project values ranging from £7M to £27M and a documented track record of 4000+ projects since inception. The company is privately held, founder-owned, and operates with a team of 20+ expert engineers supported by multiple UK quality and procurement certifications (ISO 9001:2015, Constructionline Silver, BSI, BSRIA, Social Value, Acclaim, CE Marking).

The go-to-market is direct enterprise and government engagement with no disclosed partnerships, channel partners, or external investment. Marketing is limited to a professional website, LinkedIn, and Facebook presence. Revenue is not publicly disclosed, and the firm shows no M&A activity, no funding rounds, and no expansion beyond the UK domestic market.

Name

leonard engineering design associates

Legal name

Leonard Engineering Design Associates Ltd.

Website

https://leonardengineering.co.uk

Company type

Private

Founded year

1993

Operating status

Operating

Short description

Leonard Engineering Design Associates is a UK building services design consultancy providing mechanical, electrical, and public health engineering design to defense, government, healthcare, and commercial clients across more than 4,000 projects since 1993.

Ownership category

akta.pro rank

Product category

Engineering Consultancy Services

NAICS

Engineering Services (54133)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

MEP (Mechanical, Electrical & Plumbing) Engineering Consulting (BPAHAIAE)

akta.pro secondary industry

Building Information Modeling (BIM) & Digital Design Services (BPAHAKAK)

Keywords

• Mechanical building services
• Electrical engineering design
• Public health engineering
• Sustainability modelling
• CAD design services

Headquarters

HQ city

Woking

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, Marketing or Sales, Infrastructure

Revenue model

1. Engineering Design Consultancy: LEDA generates revenue through providing professional engineering design consultancy services for building services projects. The company delivers projects from concept through completion, with project values ranging from £7M to £27M, indicating substantial engagements with major commercial, defense, and government clients.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Leonard Engineering Design Associates is a UK-based building services design consultancy founded in 1993 that provides mechanical, electrical, and public health (MEP) engineering design services for commercial, defence, healthcare, and residential projects. The firm delivers sustainability modelling, energy-efficient design solutions, and CAD/BIM design services, with a hands-on personalised approach maintained by directly employed engineers across its Portsmouth and Birmingham offices.

Product overview

Leonard Engineering Design Associates (LEDA) is a building services design consultancy offering a unified portfolio of engineering services. The core offering consists of Mechanical Building Services, Electrical Building Services, and Public Health Engineering, supplemented by specialised Sustainability Modelling & Calculations and CAD Design Services. These services are delivered as an integrated consulting offering, supporting projects from concept through completion across commercial, residential, healthcare, and defence sectors.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 4000+ projects completed since 1993
• +1 more outcomes

Named customers7 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

Feature3 records

Scale indicators6 records

Recent moves6 records

Expansion highlights2 records

Direct peers

• Hoare Lea: UK MEP building services engineering consultancy with comparable mechanical, electrical, and public health design services across defence, healthcare, and commercial sectors. Direct competitor for LEDA's core offering and target client base.
• Cundall: International multi-disciplinary engineering consultancy with a strong UK building services (MEP) practice serving commercial, healthcare, and defence clients. Closely comparable in service mix and project delivery model.
• Hilson Moran: UK-based building services engineering consultancy providing mechanical, electrical, and sustainability design. Comparable size and service portfolio to LEDA, particularly in commercial and heritage building work.

Broad incumbents

• Buro Happold: Large international engineering consultancy offering building services (MEP) as part of a broader structural and sustainability portfolio. Overlaps with LEDA in MEP design but operates at significantly larger scale across multiple disciplines.
• WSP: Global professional services firm with substantial UK building services and MEP design capabilities, including defence sector exposure. Broader portfolio but directly competes for similar engineering design engagements.
• Mott MacDonald: Large multidisciplinary engineering consultancy with UK building services capability and significant defence and government client overlap. Competes for similar MEP design commissions but at much greater scale.
• Ramboll: International engineering consultancy with UK building services design practice covering sustainability, MEP, and energy modelling. Overlaps with LEDA's service portfolio as part of a much broader offering.
• Sweco: European engineering consultancy with UK operations offering building services design alongside broader infrastructure and environmental services. Competes for similar MEP design work at larger scale.
• AtkinsRéalis: Major global engineering services firm with UK building services and MEP design capabilities serving defence, government, and commercial sectors. Overlaps with LEDA in core service delivery and target clients.

Emerging players

• Pinnacle Engineering Consultants: Smaller UK building services design consultancy offering comparable MEP services to commercial and institutional clients. Comparable in scale and service profile to LEDA with partial geographic and sector overlap.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/leonard-engineering-design-associates

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 leonard engineering design associates