Mann Williams Consulting Civil and Structural Engineers

What Mann Williams Consulting Civil and Structural Engineers does

Mann Williams is a UK consulting civil and structural engineering practice headquartered in Bath, England, with a regional office in Cardiff, Wales. Founded in 1986, the firm operates with approximately 31 employees and serves clients across heritage conservation, education, arts and culture, and commercial sectors. Its core service lines include structural engineering consulting, civil engineering design, new build engineering, and specialist building conservation engineering for Grade I, II, and II* listed buildings and Scheduled Monuments. The firm is distinctive in claiming the largest concentration of CARE (Conservation Accreditation Register of Engineers) accredited engineers in the UK, anchoring a reputation in heritage-sensitive structural work.

The firm differentiates technologically through BIM Level 2 delivery using REVIT, Navisworks, IFC-based collaboration, and COBie data handover for client CAFM systems, and through a pioneered dynamic testing technique for historic structures that reduces the need for intrusive investigation. The business model is professional services project-based, with revenue generated from design, consultancy, and on-site supervision fees determined through competitive tendering, direct negotiation, and framework appointments. The go-to-market is sales-led, relying on repeat client relationships, industry awards (RIBA Stirling Prize, RICS, IStructE), and professional networks rather than outbound marketing. Customers include the National Trust, Landmark Trust, Historic England, Historic Royal Palaces, Cadw, and universities including Bath, Bath Spa, and UWE.

The firm has no disclosed external investors, no parent company, and operates as two private limited entities (Mann Williams Limited, Bath and Cardiff) under unified management. Strategic activity centers on expanding the heritage and education project pipeline across the UK — recent completions include the £15m Sherborne House restoration and the £4.5m Lord Leycester Hospital project, with ongoing work at Plas Gunter Mansion, Jacobs Wells Baths, and Westonbirt Pre-Prep School. Growth has been organic and moderate, consistent with a reputation-driven consultancy in a niche specialist market.

Name

Mann Williams Consulting Civil and Structural Engineers

Legal name

Mann Williams Limited

Website

https://mannwilliams.co.uk

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Mann Williams is a Bath and Cardiff-based consulting civil and structural engineering firm serving heritage, education, and commercial clients across the UK. Founded in 1986, it claims the most CARE-registered conservation engineers in the UK and specializes in listed-building conservation and BIM Level 2 delivery.

Ownership category

akta.pro rank

Product category

Civil & Structural Engineering Consulting

NAICS

Heavy and Civil Engineering Construction (237)

akta.pro primary industry

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

Keywords

• Structural engineering consulting
• Building conservation engineering
• Civil engineering design
• Heritage structural engineering
• BIM level 2 services

Headquarters

HQ city

Bath

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Professional civil and structural engineering services for construction projects including new build, refurbishment, and conservation works. Revenue generated through project-based fees for design, consultancy, and on-site supervision services.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Mann Williams is a consulting civil and structural engineering practice delivering design, assessment, refurbishment, and conservation engineering services for buildings across the UK. The practice specialises in both heritage conservation (Grade I, II, II* listed buildings and Scheduled Monuments) and new build engineering, with advanced BIM Level 2 digital engineering capability using REVIT, Navisworks, IFC, and COBie data delivery.

Product overview

Mann Williams is a consulting civil and structural engineering practice offering a portfolio of interconnected services. The core offerings include Structural Engineering Consulting Services and Civil Engineering Design, supplemented by specialist Building Conservation Engineering for historic structures. Their digital engineering capability is anchored by BIM Level 2 Services using REVIT, Navisworks, IFC, and COBie. New Build Engineering completes the portfolio for contemporary construction projects. The practice specializes in both conservation and new build engineering, with particular expertise in heritage buildings, educational facilities, ecclesiastical structures, and commercial developments.

Differentiator

Problem solved

Functional benefit

Products and services

• Structural Engineering Consulting Services Consulting structural engineering services providing civil and structural design for buildings, including assessment, repair, refurbishment, and new construction projects. Delivered for clients in heritage, education, commercial, and residential sectors.
• Civil Engineering Design Civil engineering design services including drainage, roads, foundations, Sustainable Urban Drainage Systems (SUDS), and infrastructure design for construction projects.
• Building Conservation Engineering Specialist conservation engineering for historic and listed buildings, including Grade I, II, and II* properties and Scheduled Monuments, providing sympathetic repair, restoration, and structural assessment using innovative techniques such as dynamic testing.
• New Build Engineering Engineering design for new construction projects across commercial, educational, residential, and public building sectors, delivered using BIM Level 2 workflows.

Quantifiable outcome

• RIBA Stirling Prize winner (Astley Castle)
• +3 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

15 partnerships are on record, tiered core and minor.

• PurcellcoreStrategic or Co-development PartnerLead design team partner for Plas Gunter Mansion conservation project. Purcell, as lead architects, working with Mann Williams on extensive conservation and refurbishment of the Mansion into a museum.
• Spase DesigncoreStrategic or Co-development PartnerArchitect partner for Sherborne House and Trowbridge Town Hall projects. Spase Design led architectural work while Mann Williams provided structural engineering.
• Quattro Design ArchitectsminorStrategic or Co-development PartnerArchitect partner for Westonbirt Pre-Prep School project working alongside Mann Williams.
• Greenhalgh Landscape ArchitectureminorStrategic or Co-development PartnerLandscape architecture partner for Westonbirt Pre-Prep School project.
• RJ Leighfield & Sons LtdminorImplementation/ SI/ Consulting PartnerContractor for Westonbirt Pre-Prep School construction project.
• SRA ArchitectscoreStrategic or Co-development PartnerArchitect partner for AB Dynamics headquarters project. SRA Architects developed the cutting-edge building design with Mann Williams providing structural and civil engineering.
• Davies Sutton ArchitectscoreStrategic or Co-development PartnerProject team member for Four Elms Centre conversion for NoFit State Circus.
• Pritchard ArchitecturecoreStrategic or Co-development PartnerArchitect for LCT 7074 steel canopy design at D-Day Story museum. Close cooperation on the design and erection of the challenging steel canopy structure.
• Hillcrest StructuralcoreTechnology or IntegrationSteel fabricator for LCT 7074 canopy project. Fabricated the 12 bespoke columns and rafters.
• Ascia ConstructioncoreImplementation/ SI/ Consulting PartnerMain contractor for LCT 7074 display area and canopy construction.
• Historic Royal PalacescoreOthersIndependent charity that invested £24m in capital works at Hillsborough Castle, with Mann Williams providing structural and civil engineering on the new Visitors Centre.
• CadwcoreOthersWelsh historic environment service providing structural engineering input on heritage projects including Caernarfon Castle Kings Gate.
• National TrustcoreOthersMajor client for Mount Stewart House and other heritage conservation projects. Multiple projects including £18m restoration at Mount Stewart.
• Landmark TrustcoreOthersMajor heritage client for Astley Castle (RIBA Stirling Prize winner), Llwyn Celyn, and Dunshay Manor conservation projects.
• CadwcoreOthersWelsh historic environment service that declared Llwyn Celyn as the most important at risk occupied historic house in Wales. Funded £2.5m HLF award towards £4m project.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Buttress Architects: Manchester and Glasgow heritage architecture practice with conservation engineering partnerships. Comparable in size and heritage focus, often competing for the same RICS conservation awards as Mann Williams (RIBA Stirling Prize shortlistings, Civic Trust recognition).
• Purcell: Heritage architecture practice that partners with Mann Williams on projects such as Plas Gunter Mansion. While architect-led rather than engineering-led, Purcell operates in the same UK heritage/conservation client ecosystem and competes for the same National Trust, Landmark Trust, and Cadw briefs.

Broad incumbents

• Arup: Global engineering consultancy with deep UK heritage, education, and commercial sector coverage. Competes with Mann Williams on major university capital projects (e.g., Bath, UWE-adjacent schemes) and high-profile heritage conservation briefs, while offering vastly broader service lines.
• Waterman Group: UK structural and civil engineering consultancy with heritage and education sector work, providing similar consulting services at slightly larger scale. Competes for the same higher-education and conservation frameworks that Mann Williams targets, particularly in the South of England.
• Buro Happold: Global structural engineering consultancy with established heritage and education sector credentials (university estates, listed buildings). Competes for the same large-scale education projects (e.g., university new build) and offers broader multi-disciplinary capability than Mann Williams.
• Ramboll UK:

Direct peers

• Price & Myers: London-based structural and civil engineering consultancy with parallel conservation/new-build expertise and similar size. Both serve heritage clients and academic institutions, and both compete for Grade I/II* and scheduled monument work across the UK.
• Curtins: UK structural and civil engineering consultancy of comparable size with heritage, education, and commercial project portfolios. Competes directly for mid-sized UK university and conservation commissions and shares Mann Williams' SME-scale BIM Level 2 delivery model.
• Donald Insall Associates: Long-established conservation architecture and building consultancy practice working on listed buildings and scheduled monuments. Operates in the same heritage client space (Historic England, National Trust, Cadw) and is a fellow UK conservation specialist competing for similar commissions.
• Alan Baxter & Associates: UK structural and conservation engineering consultancy with comparable heritage specialism (Historic England frameworks, listed-building expertise). Same niche of conservation-accredited engineers competing for the same heritage and education frameworks as Mann Williams.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mann-williams-consulting-civil-and-structural-engineers

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mann Williams Consulting Civil and Structural Engineers