What Mayer Brown does

Mayer Brown Limited is a UK-based engineering consultancy founded in 1988, headquartered in Woking, Surrey, with 51–100 employees across seven regional offices (Woking, London, Aldershot, Bristol, Leeds, Christchurch, and Newport on the Isle of Wight). The firm delivers integrated transport planning, highway infrastructure design, and environmental assessment services, supported by industry-standard tools including AutoCAD, Civil 3D, GIS, TRICS, Junctions 9 (Arcady/Picady), LinSig, Causeway Flow, InfoDrainage, and 3D noise/corridor modelling software. Specialist capabilities include TfL S2251-compliant Road Safety Audits, Construction Environmental Management Plans, flood risk and SuDS drainage design, air quality and noise assessments, expert witness testimony for planning appeals, and rail interchange design.

The firm serves a B2B client base split across private sector developers (e.g., Grainger plc, Bellway Homes, Gleeson Land, Angle Property, Pegasus Homes), public sector bodies (Royal Surrey NHS Foundation Trust, East of England Ambulance Service NHS Trust, local authorities), contractors (Sainsbury's, Pentalver Transport, Newton Energi for BESS), and professional advisors such as architects and town planners. Its service delivery model runs from early feasibility and pre-planning advice through technical approval (S38/S278/S104) and on-site construction supervision, with at least 60 documented case studies spanning residential, commercial, infrastructure, healthcare, and renewable energy projects.

Mayer Brown generates revenue through project-based professional services fees, with no public pricing schedule; engagements are quoted by scope, complexity, and duration. The firm is privately held (Companies House registration 3531997) with no disclosed external investors or parent company, and is accredited to ISO 9001, ISO 14001, Construction Line, and CQMS Malcolm Star. GTM is enterprise field sales via direct engagement, referrals, public consultation events, and tendering, supported by a content marketing programme of case studies and newsletters.

Name

Mayer Brown

Legal name

Mayer Brown Limited

Website

https://mayerbrown.co.uk

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

51–100 employees

Short description

Mayer Brown is a UK-based engineering consultancy providing integrated transport planning, infrastructure design, and environmental assessment services to private developers, public-sector bodies, architects, and contractors across the UK from seven regional offices.

Ownership category

akta.pro rank

Headquarters

HQ city

Woking

HQ country

United Kingdom

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Professional Consulting Services: Mayer Brown generates revenue through fees for professional consulting services including transport planning, infrastructure design, environmental assessment, and related engineering services. Services are delivered to private developers, local authorities, and public sector bodies on a project basis.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Mayer Brown is a UK-based independent consultancy delivering integrated transport planning, highway and infrastructure design, and environmental assessment services. The firm supports developers, housebuilders, architects, local authorities, and public sector bodies through project-based engagements spanning feasibility, planning application support, detailed design, technical approval (S38/S278/S104), and construction supervision. Services are delivered by qualified engineers, environmental specialists, and road safety auditors using industry-standard modelling and design software.

Product overview

Mayer Brown is a UK-based consultancy firm offering integrated transport planning, infrastructure design, and environmental assessment services. Their core offering spans three main practice areas: Transport Planning (including Travel Plans and Road Safety Audits), Infrastructure Design (covering highways, drainage, and civil engineering), and Environmental Assessment (including flood risk, air quality, noise, and ecological services). The firm provides end-to-end support from early feasibility and planning through to detailed design, technical approval, and construction supervision. Services are delivered through named expertise areas including Expert Witness, Flood Risk & Drainage, Rail Interchange Design, and Topographical Surveys, working primarily with developers, architects, local authorities, and housebuilders across the UK.

Differentiator

Problem solved

Functional benefit

Products and services

• Transport Planning Comprehensive transport planning consultancy for residential, commercial, and mixed-use developments, including Transport Assessments, Transport Statements, Travel Plans, junction modelling, and active travel strategies for clients such as developers, housebuilders, architects, and local authorities.
• Infrastructure Design Highway and infrastructure design services covering S38, S278, and S104 technical approvals, detailed design drawings, vehicle tracking, and construction support for developers, housebuilders, and public sector clients.
• Environmental Assessment Environmental assessment services including Environmental Impact Assessments, ecological studies, biodiversity net gain assessments, and related technical reporting for development projects.
• Expert Witness Services Expert witness testimony and appeal support for planning inquiries and public inquiries, including flood risk and drainage evidence provided to planning inspectors.
• Flood Risk Assessments and Drainage Flood risk assessment and drainage strategy services including Sustainable Drainage Systems (SuDS) design, surface water management, and drainage strategies for planning consent and technical approval.
• Travel Plans Development and implementation of residential and commercial Travel Plans, including Travel Plan Coordinator services and post-occupation monitoring for developments and hospital/estate sites.
• Road Safety Audits Road Safety Audit services compliant with GG 119 and TfL S2251, delivering Stage 1, 2, and 3 audits for development and highway schemes on the Transport for London Road Network.
• CEMP (Construction Environmental Management Plan) Preparation and implementation of Construction Environmental Management Plans linking construction phases to specific environmental mitigations such as biodiversity protection and habitat management.
• Rail Interchange Design Design services for rail interchange facilities including station access, pedestrian linkages, and integration with wider transport networks.
• Air Quality Assessment Air quality assessment services including monitoring, modelling, and mitigation strategies for planning applications and development projects.
• Noise and Vibration Assessment Noise and vibration impact assessments and mitigation design for developments and mechanical plant, using advanced 3D noise modelling for complex acoustic environments.
• Waste Management Planning Waste management strategy and planning services for construction and development projects.
• Topographical Surveys Topographical and measured building survey services providing site data for development design.
• CSWMP (Construction Site Waste Management Plan) Construction Site Waste Management Planning services supporting waste minimisation and regulatory compliance on development projects.

Quantifiable outcome

• 18 of 20 youth hub planning applications received consent
• +4 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• WSP UK: Global engineering professional services firm with substantial UK transport planning, infrastructure design, and environmental assessment practices. Comparable to Mayer Brown on service mix (transport, environment, highways) but with vastly greater scale and global footprint, serving many of the same developer and public-sector clients.
• AECOM UK: Global multi-disciplinary infrastructure consultancy with strong UK presence in transport planning, EIA, and highways design. Overlaps directly with Mayer Brown's offering but operates at much larger scale, typically leading on national frameworks and major public-sector commissions.
• Mott MacDonald: Major international engineering, management, and development consultancy with deep UK highways, transport planning, and environmental practices. Competes for the same developer and local-authority commissions as Mayer Brown, particularly on larger strategic housing and infrastructure schemes.
• Stantec UK: International engineering consultancy with a sizeable UK footprint following acquisitions of Peter Brett Associates and Hydrock. Provides planning, infrastructure design, and environmental services directly comparable to Mayer Brown's portfolio across residential, public, and energy sectors.
• Arup: Global engineering and design consultancy with established UK transport planning, rail interchange, and environmental assessment capabilities. Comparable on technical scope, particularly around rail and complex infrastructure, though typically engaged on larger, more prestigious schemes.

Direct peers

• Waterman Group: UK-focused infrastructure and environmental consultancy offering transport planning, highways/drainage design, and environmental assessment for residential, commercial, and public-sector clients. Closely comparable to Mayer Brown on service mix, client base, and project scale.
• BWB Consulting: UK transport planning, infrastructure, and environmental consultancy serving housebuilders, developers, and local authorities. Directly competes with Mayer Brown on Section 38/278 design, transport assessments, and flood risk/drainage work for residential developments.
• Jubb Consulting Engineers: UK civil and transportation engineering consultancy with offices across the South and Midlands, providing highways, drainage, and environmental services to developers and housebuilders. Mid-tier peer with similar regional office footprint and client mix to Mayer Brown.
• SLR Consulting: Global environmental and advisory consultancy with strong UK EIA, flood risk, air quality, and noise practice. Comparable to Mayer Brown on environmental assessment work and developer-led planning support, with overlapping expertise in sustainable drainage and ecology.
• Connect Consultants: UK transport planning and highways engineering consultancy serving residential developers, architects, and local authorities on Transport Assessments, Travel Plans, and Section 38/278 design. Highly comparable in size, service profile, and client segments to Mayer Brown.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks3 records

Key highlights7 records

Customer concentration

• Xx.com/MayerBrownLtd

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Mayer Brown