Philip Wilson

Director Geotechnical & Geo-Enviromental


Chartered Civil & Geotechnical Engineer


  • CEng
  • BSc (Hons), Civil Engineering
  • FICE

Specialisms / Skills

  • Onshore Geotechnical Engineering
  • Offshore Geotechnical Engineering
  • Expert Advisory
  • Expert Witness
  • Geotechnical Standard Drafting

Philip has over 40 years experience as a geotechnical and civil engineer working in the United Kingdom , Middle East, Africa and  the Americas.

He was formerly Head of Geotechnics at Highways England and authored or contributed to many of the documents and standards which now form geotechnical disputes, such as EC7, BS5930, SHW, DMRB, TRLPR60 etc.

Highly regarded by his peers, Philip  has advised Government Ministers and Permanent  Secretaries  for appearance at National Audit Office and Public Accounts Committee hearings on cost increases on highway construction contracts.


Independent Geotechnical Consultancy providing advice for Highways and Railways, Major Infrastructure, Industrial facilities, Expert Witness & Reservoir Inspection


 2020-2021  Lead Civil Engineer


  • Development of Intelligent Infrastructure project for Network Rail with key responsibility for Drainage, Lineside and Boundary Geotechnical Measures and Vegetation.


2019-2020 Director & Owner


  •  Phase1 Desk Study for Planning Permission. Advice to Leeds City Council and Telford Council on S38 and S278 Highway Schemes for adoption of highways together with foundation design for buildings in areas of former mining and industrial activity.

 2018 –2019  Lead Geotechnical


  • Lead Geotechnical Engineer, HS2 Phase 2b, Birmingham to Manchester and Leeds.  Client representative responsible for review and approval of all Geotechnical submissions received from major consultants such as, Arup. Motts, Capita, AECOM, Ramboll etc.



2017 –2018  Head of Geotechnics

EMS Geo-Environmental

  • Head of Geotechnics & Geo- Environmental EMS Geotechnical, responsible for all aspects of Geo-Environmental Division, site supervision, fieldwork, laboratory test planning, technical reports, staff management,  project management and client liaison.


2017  Final Reviewer and Approver

Chelmer Global Ltd

  • Geotechnical Consultancy and final review /sign off Basement Impact Assessment (BIA) before submission to local authority for planning consent for basement construction below luxury properties in prime London locations with recommendations for Damage Category Assessment DCA) of adjacent nearby properties.


2017   Employers Representative

Crest Developments / Campbell Reith

  • Freelance Geotechnical Consultancy advice to protect client’s interests in major geotechnical renovation of brownfield, former closed landfill site for housing near Gatwick Airport



2016 –2017  Director & Owner


  • Freelance Geotechnical Consultancy advice to major Clients in Built Environment, Transport and Waste sectors
  • Property acquisition, renovation, development, project management and managed tenancies

2015 –2016 Associate Director (Geotechnical Engineering)


 Management of Geotechnical & Geo-Environmental division for design of major UK rail projects including HS2, Power Projects for Gas and Electrical distribution facilities, Offshore & Onshore Wind Farms, Marine Projects for navy and nuclear waste. CRE for rail projects.

  • Business development, business management for profit and loss accounts, marketing, client development.
  • Member of Capita Expert Witness Team as Geotechnical Dispute Resolution Specialist


2014 –2015   Head of  Structures & Geotechnical Engineering


 Management and Technical Oversight of Structural and Geotechnical Engineers for design of structures and foundations for Overhead Line Electrification (OLE) structures for major UK rail projects.

  • Contractor Responsible Engineer (CRE) Role for Liverpool to Manchester, Great Western Electrification Project (GWEP), Crossrail and Thameslink OLE projects with direct responsibility and accountability to Rail Clients for submissions and approvals; nominated to participate in Network Rail Alliance working methods.


  2013 –2014   Head of Geotechnical Engineering


 Technical, Commercial and Operational Geotechnical advice on offshore, marine pipe and cable trenching for major offshore oil and gas platforms, offshore wind farms, intercontinental communication and export power cables. Evaluation and back analysis of performance of offshore, deep water trenching assets including ROV Jetters , Tracked Trenchers & Jetters and Ploughs.

  • Management of specialist geotechnical team and specialist offshore marine geotechnical design consultants, commissioning R&D activities for development of new services and innovation, update and revise internal procedures for DNV  external audit.


2012 –2013   Director & Owner


  • Geotechnical Consultancy advice to major Clients including United Utilities, Environment Agency (EA), CH2M, Viridor Waste Management, Institution of Civil Engineers for major infrastructure projects and heavy Civil Engineering in Transport, Waste & Water sectors together with R&D project on Sustainability.
  • Principal author on EA committee developing new standards and advice note for interface testing (geomembrane/geotextile/soil interface) in landfill & waste sector.


2009 –2012   Associate Director/Director of Geotechnics

Egniol Environmental Ltd

  • Technical Review of all Geotechnical Issues and Landfill Designs before issues to Client across all consultancy activities.
  • Liaising directly with members of the internal Delivery team to ensure high standards are maintained
  • Research and Development & Review of Standards; co-opted personally by name onto EA committee developing new standards and advice note for interface testing.


2008 –2009   Assistant Chief Engineer


  • Technical Governance and Assurance of all Geotechnical Issues
  • Liaising directly with members of the internal Delivery team to ensure high standards are maintained
  • Research and Development & Review of Standards
  • Asset Management of ageing earthworks and earth structures to maintain public transport system safe, reliable and operational.



2005 – 2008   Independent Consultant

Wilgo Geo

 Geotechnical & Geo-Environmental services for public and private sector clients.

  • Risk Assessments, Desk Studies & Reports pre –purchase of development sites


 2003 – 2005    Business Manager (Principal)

Office of the Deputy Prime Minister (ODPM) 

 Negotiating local and national targets with local authorities to improve service delivery

  • Set scope and flexibilities of local government public service agreements

2002 – 2003  Team Leader (Policy)

Department for Transport (DfT)

 Human Resource team implementing staff migration from central London to regional offices following machinery of government changes

  • Road Freight Operations Policy, Implementation of European Working Time Directive for mobile transport workers and drafting UK legislation
  •  Stakeholder negotiation of derogations and preparation of answers to Parliamentary Questions for ministers and Private Secretary Office correspondence.


 1992 – 2002 Group Manager & Head of Geotechnics

Highways Agency, Directorate of Quality Services Civil Engineering

  • Distance management of six regionally based specialist Geotechnical engineers within a multi-disciplinary environment; ultimately accountable for 50 to 75 professional staff via call off consultancies and R&D contracts.
  • Final decision maker for all Highways Agency (HA) Geotechnical matters, accountable and responsible to HA Management Board and Divisional Director
  • Troubleshooting and resolving the most complex and challenging geotechnical issues on development and widening of the Trunk Road Network  
  • Management of regionally based specialist geotechnical group within a multi-disciplinary environment
  • Financial resource management of £multi million pa R&D and consultancy budget

 1985 – 1992 Team Leader (Principal Grade)

Dept of Environment / Property Services Agency

  • Managed large team of eight internal Geotechnical engineers and 50 to 100 external professional consultancy staff providing specialist advice to civil engineers on all aspects of government buildings and military facilities in UK and abroad including Army, Navy and RAF
  • Geotechnical Engineer (up to 1989) Geotechnical advice including geotechnical investigations, laboratory testing interpretative reports and investigation of foundation problems for the development of Crown buildings, Courts, Prisons etc and Army Quarters/facilities

World Road Association (PIARC) Technical Committee TC12

CEN/BSI European Product Standard for Geotextiles

CEN/BSI Eurocode EC7 Geotechnics

BSI B526 Code of Practice for Site Investigation BS5930

BSI B526 Code of Practice for Laboratory Testing BS 2001

Chairman Technical Project Board (TPB) Manual of Contract Documents for Highway Works MCHW1 500Series Drainage & 600 Series Earthworks

Chairman Technical Project Board (TPB) Design Manual for Roads and Bridges DMRB Vol4 (HD22 Geotechnical Certification, HA44 Earthworks, Advice Note for Maintenance of Highway Earthworks, Geotechnical Data Management System GDMS pilot etc.)

CIRIA Steering Group for evaluating Geotechnical R&D Proposals from Industry and Government. Invited member of CIRIA workshops to develop future strategic direction eg sustainability, Eurocodes etc

Transport Research Laboratory (TRL) Key customer for TRL as Highways Agency commission £1M pa Geotechnical spend under customer held budgets (CHB). Customer policy approval of TRL R&D reports prior to placement in public domain

Chairman Highways Agency Geotechnics & Ground Engineering (GAGE) Group Manager reviewing monthly spend and business plan targets, £250k pa geotechnical call off contract for Geotechnical Certification HD22. Final approval and point of responsibility within HA for all geotechnical proposals and departures from standard on D&B, DBFO, PFI contracts

Selby Rail/Road Crash team member of working group to prepare proposals and costs to re-open line and highway in the immediate aftermath of the incident.

National Audit Office (NAO) Study into sources of cost increases on highway construction contracts.  Preparation of briefing material for Permanent Secretary appearance before Public Accounts Committee (PAC) hearing.

Institution of Civil Engineers Steering Group Volumes 1 to 4 Without Site Investigation Ground is a hazard

Institution of Civil Engineers Steering Group on Risk Management within Geotechnics

Institution of Civil Engineers Working Group Specification for Site Investigation, subsequently adopted in Highways Agency documentation in MCHW1

Institution of Chartered Surveyors Specification for Geodetic(Topographic) surveys, subsequently adopted in Highways Agency documentation.

International Conferences and Trade Exhibitions, Principal speaker for Highways Agency on Geotechnical matters including media appearances and public relations liaison, briefing for Ministers and senior HA officials.