Autoplay settings
Off On

About Us

Two staff in blue Tetra Tech shirts examining solar panels
We work alongside clients to develop their strategies and take their plans forward. We have an excellent breadth and depth of expertise across our region but also the support of a global network who can help us foster even more industry-leading and innovative solutions.

Tetra Tech is a leading provider of consulting and engineering services with 28,000 associates working across the full project lifecycle worldwide. Our operations in the UK and Europe include more than 5,000 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 United Kingdom and Europe operations include:

We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value.

Our work focusses around eight key sectors, many of which encompass numerous sub sectors.

Crown Commercial Service Supplier Logo

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.

Our Services

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:

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

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 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

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

Security Consultancy

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
DNA helix created from water on dark background

Our History

Overhead view of Tetra Tech employees holding up paper pieces forming company logo

Our Ethos

Uniformed pant legs and boots on grass

Armed Forces Pathway

Connect with us. Reach out to our experts.

Create a sustainable future with us

Our people are supporting our mission and vision for a sustainable world.

Scroll to Top