About Us

Tetra Tech is a leading provider of consulting and engineering services with 22,000 associates working across the full project life cycle worldwide. Our operations in the UK and Europe include more than 2,000 employees who are Leading with Science® to solve our clients’ most complex problems.

Tetra Tech’s experts in the UK and Europe work alongside clients on local, national, and international projects to deliver on their objectives by providing sustainable and resilient solutions. From single projects to large-scale programmes, we are adept at working in complex or highly regulated environments.

Our Europe-based teams have an excellent breadth and depth of expertise and collaborate with colleagues around the world to foster industry-leading approaches. Our personal approach to client relationships enables us to understand where we can add value and help solve clients’ most complex challenges.

Our Tetra Tech geotechnical engineering practice is at the forefront of delivering high-end design and feasibility solutions for engineering geology, mining and mineral processing and geo-environmental projects. Our UK-based geotechnical team is led by specialists at Coffey Geotechnics, A Tetra Tech Company.

The Tetra Tech High Performance Buildings Group brings global, industry-leading sustainable building solutions to our clients in the UK and in Europe, is led by our specialists at Norman, Disney & Young and Hoare Lea.

Our Tetra Tech international development services group is a leading provider of management consulting services who work with global and local partners to design, deliver, and evaluate programmes that improve lives and economies. Our Europe-based experts at Tetra Tech International Development oversee more than 120 projects in 52 countries.

Our work focusses around 7 key sectors, many of which encompass numerous sub sectors. These are:

We are appointed to seven Crown Commercial Service (CCS) frameworks. These allow all public sector clients to directly award projects or include us in further competition.

The range of disciplines we have within each of our service streams is extensive to allow us to build multidisciplinary teams bespoke to individual need:

  • Asset Management , Compliance, and Surveying
  • Engineering

    Building Services

    • Mechanical Engineering
    • Electrical Engineering
    • Sustainable & Low Carbon Design
    • Movement Systems
    • Business Re-Engineering
    • Building Safety / Security Systems
    • Public Health
    • Lighting Systems
    • IT & Communications Systems
    • Building Services Surveys & Audits
    • Building Regulations Part L

    Civil and Structural Engineering

    • Water & Wastewater Treatment
    • Highways & Bridges
    • Flood Risk & Flood Alleviation Design
    • CDM Compliance / Principal Designer
    • Risk Analysis & Management
    • Development Infrastructure

  • Environment

    Geotechnical Design

    • Geotechnical Investigation, Design, and Assessment
    • Site Development & Brownfield Regeneration
    • Ground/Site Investigation
    • Contaminated Land & Land Quality Assessment
    • Hydrogeology & Water Quality
    • Remediation Design & Management

    Environmental Planning

    • Archaeology and Heritage
    • Ecology
    • Environmental Impact Assessment
    • Noise, Air, Light, and Odour (NALO) Assessments
    • Waste and Resource Management
    • Sustainability Appraisal & Strategic Environmental Assessment (SEA)

    Environmental Due Diligence

    • Expert Witness Pollution Response & Management
    • Environmental red flag reporting
    • Environmental Social Governance
    • Environmental & Sustainability Development
    • Corporate Site Audits (EHS Transaction & Full Compliance)
    • Vendor Support
    • Peer Review
    • Post-merger EHS & CSR integration
    • Technical Property Due Diligence
    • Site Closure Planning
    • Asset Evaluation

  • Planning


    • Planning Applications
    • Site Appraisals
    • Site Promotion
    • Stakeholder & Community Engagement
    • Research & Policy Formulation
    • Appeals & Expert witness
    • Planning Obligations & CIL
    • Planning Due Diligence
    • Lawful Development Certificates
    • Enforcement
    • Development Consent Orders

  • Project and Cost Management

    Cost Management

    • Option feasibility studies & development appraisals
    • Procurement & advice
    • Life cycle costing
    • Cost planning
    • Benchmarking & auditing
    • Construction management
    • Employer’s Agent
    • Contract Administration
    • Cost control & change management
    • Project monitoring
    • Contract selection & strategy
    • Value management & engineering
    • Risk management

    Programme and Project Management

    • Project strategy & advisory
    • Project controls & performance management
    • Risk management
    • Employer’s Agent
    • Risk management
    • Development management

  • Transportation

    Highway Design

    • Highway & bridge design and drainage
    • Project management from tender preparation & evaluation to programming & control
    • Highway construction supervision, site support, & site representative services for design teams
    • Public transport schemes
    • Transport interchange & public realm
    • Utilities coordination & Preliminary Utilities Appraisals
    • Development infrastructure
    • Earthworks strategies
    • Park & ride

    Transport Planning

    • Public realm & placemaking
    • Sustainable travel
    • Transport assessment
    • Transport modelling
    • Public transport
    • Intelligent Transport Systems
    • Transport policy advice & compliance
    • Planning consent & appeals
    • Road safety & audits

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