GEODYNE LIMITED

What GEODYNE LIMITED does

GeoDyne Limited is an independent UK-based geotechnical and environmental engineering consultancy founded in 2001 by Jason Hollands and Richard Spencer. The firm provides site investigation, geotechnical and contaminated land consultancy, reporting, monitoring, and validation services to property developers, local authorities, architects, multinational organisations, and public bodies. Operations span offices in Nottingham (headquarters), Derby, and Warrington, with documented project work across the East Midlands, North West England, Shropshire, Wrexham, West Norfolk, and surrounding regions.

The firm's core offerings comprise eight interconnected service lines: Phase I & II Ground Investigations (desk studies and intrusive site investigations including trial pits and boreholes), Soil & Groundwater Contaminant Assessments (using the P20 model with tiered site-specific parameters), Detailed Quantitative Risk Assessments (DQRA) using CLEA and BP RISC models with probabilistic and multi-dimensional modelling, Remediation Strategies (physical, biological, and chemical techniques with validation reporting), Ground Gas Risk Assessments (sampling, chromatography, and protection measure design), Geotechnical Assessments (ground improvement, piles, rafts, and combined foundations), Coal Mining Investigations (CMRA reports, rotary drilling, mine shaft stabilisation), and Materials Management Plans (MMPs with CL:AIRE Qualified Person declarations). The team comprises Chartered Geologists, Chartered Environmentalists, and Chartered Water and Environment Managers.

GeoDyne operates a sales-led, project-based professional services revenue model. Engagements are procured directly through the firm's directors and technical staff for individual site investigation, risk assessment, or remediation projects, with no disclosed pricing or contract structures. Marketing is conducted through the company website, case studies, newsletters, Twitter, and community sponsorship activities. The firm is privately held by its founding principals with no external investment, acquisitions, or ownership changes disclosed.

Name

GEODYNE LIMITED

Legal name

GeoDyne Limited

Website

https://geodyne.co.uk

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

11–50 employees

Short description

GeoDyne Limited is a UK-based independent geotechnical and environmental engineering consultancy founded in 2001, providing site investigation, contaminated land assessment, and geotechnical consultancy to property developers, local authorities, and public bodies from offices in Nottingham, Derby, and Warrington.

Ownership category

akta.pro rank

Product category

Geotechnical and Environmental Engineering Consultancy

NAICS

Environmental Consulting Services (54162)

SIC

Services-Commercial Physical & Biological Research (8731)

akta.pro industry

PRIMARYBPAHAIAB

Geotechnical & Subsurface Engineering Consulting

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Engineering & Technical Consulting

SECONDARYIMAFAOAK

Geotechnical Design, Engineering & Consulting (Analysis, Design, Peer Review)

Industrials, Manufacturing & Construction/Construction & Civil Engineering/Geotechnical & Foundation Engineering (Piling, Ground Improvement)

SECONDARYEUAHAFAE

Geotechnical Site Investigation & Engineering Geology (Borings, Lab Testing)

Energy, Utilities & Environment/Environmental Compliance, Monitoring & Consulting/Site Assessment & Hydrogeology (Groundwater/Geotechnical)

Keywords

• Site investigation services
• Contaminated land assessment
• Geotechnical engineering consultancy
• Ground gas risk assessment
• Environmental engineering services

Headquarters

HQ city

Nottingham

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Consulting Services: Professional geotechnical and environmental engineering consultancy providing site investigation, reporting, monitoring, and validation services. Revenue is generated through project-based consulting engagements for property developers, local authorities, and other clients requiring ground investigation and contaminated land assessment services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

GeoDyne is an independent geotechnical and environmental engineering consultancy providing site investigation, contaminated land consultancy, reporting, monitoring and validation services. The firm delivers eight core service lines: Phase I & II Ground Investigations, Soil & Groundwater Contaminant Assessments, Detailed Quantitative Risk Assessments (DQRA), Remediation Strategies, Ground Gas Risk Assessments, Geotechnical Assessments, Coal Mining Investigations, and Materials Management Plans. Services are delivered by Chartered Geologists, Chartered Environmentalists and Chartered Water and Environment Managers for property developers, local authorities, architects, multinational organisations and public bodies.

Product overview

GeoDyne is an independent geotechnical and environmental engineering consultancy offering a unified service portfolio of professional consulting services. The core offerings span eight interconnected service lines: Phase I & II Ground Investigations (desk studies and intrusive site investigations), Soil & Groundwater Contaminant Assessments, Detailed Quantitative Risk Assessments (DQRA), Remediation Strategies, Ground Gas Risk Assessments, Geotechnical Assessments, Coal Mining Investigations, and Materials Management Plans. These services are delivered by a team of Chartered Geologists, Chartered Environmentalists, and Chartered Water and Environment Managers from offices in Nottingham, Derby, and Warrington. The company provides a complete ground investigation service from initial Phase I desk study through to Phase II site investigation, monitoring, and validation in accordance with current industry best practice and health and safety guidelines.

Differentiator

Problem solved

Functional benefit

Products and services

• Phase I & II Ground Investigations Desk studies and intrusive site investigations including trial pits, boreholes, and laboratory analysis to establish geology, hydrology and environmental setting for site assessment, provided to property developers, local authorities and architects requiring pre-development site characterisation.
• Soil & Groundwater Contaminant Assessments Assessment of soil and groundwater contamination following Environment Agency remedial targets methodology (P20 model), including tiered site-specific modelling parameters with dilution and attenuation factors for groundwater contamination assessment.
• Detailed Quantitative Risk Assessments (DQRA) Site-specific risk assessments using the CLEA model and BP RISC model for contamination evaluation, including probabilistic (PDF), two- and three-dimensional modelling and contouring for bespoke risk assessments on brownfield development sites.
• Remediation Strategies Design and supervision of remediation programmes including on-site/off-site disposal and physical, biological and chemical techniques, with validation reporting for property developers and public bodies.
• Ground Gas Risk Assessments Investigation of hazardous ground gases (methane and carbon dioxide) including sampling, monitoring, laboratory chromatography analysis, modelling, contouring and risk assessment, with bespoke gas protection measure design for buildings on former landfill or industrial sites.
• Geotechnical Assessments Foundation design solutions for brownfield sites including ground improvement techniques (VCCs, VSCs, lime/cement stabilisation, dynamic compaction), piles, rafts, piers and combined foundation approaches for property developers.
• Coal Mining Investigations Coal Mining Risk Assessment (CMRA) reports and investigation services including rotary drilling, mine shaft capping/stabilising, grouting and gas control for developments in mining-affected areas.
• Materials Management Plans Preparation of Materials Management Plans (MMPs) following the Definition of Waste: Development Industry Code of Practice, with CL:AIRE Qualified Person declarations for sustainable material re-use on development sites.

Quantifiable outcome

• Produced savings of 90% for Amber Valley Borough Council through bespoke virtual curtain system at Crays Hill landfill site
• +3 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators1 record

Recent moves1 record

Expansion highlights3 records

Direct peers

• Hydrock: UK-based geotechnical, environmental, and structural consultancy delivering ground investigation, contamination, and engineering design services — larger than GeoDyne but serving a near-identical client base with overlapping service lines.
• Ian Farmer Associates: UK geotechnical and environmental consultancy offering site investigation, contaminated land assessment, and engineering geology services to construction and development clients, similar in size and service mix.
• Structural Soils: UK geotechnical contractor/consultancy providing ground investigation, soil testing, and foundation engineering services for the construction and development sector, with similar regional operating model to GeoDyne.
• Card Geotechnics (CGL): UK-based geotechnical and geoenvironmental consultancy providing site investigation, contamination assessment, and remediation advice to developers and public-sector clients, comparable in technical scope to GeoDyne.
• Soil Engineering: UK-based geotechnical and geoenvironmental consultancy offering site investigation, ground engineering, and laboratory testing services to property developers, local authorities, and contractors — directly comparable in service portfolio and client base to GeoDyne.

Broad incumbents

• Arcadis: Global design and environmental consultancy offering contaminated land assessment, remediation, and environmental due diligence, competing with GeoDyne for site investigation and brownfield redevelopment mandates.
• AECOM: Global infrastructure consultancy with environmental and ground engineering practices providing site investigation, contamination, and remediation services across the UK — broader portfolio but overlaps with GeoDyne's developer and public-sector work.
• RSK Group: Large UK environmental and engineering consultancy group offering contaminated land, geotechnical, and site investigation services alongside many adjacent disciplines; a scaled incumbent that competes for the same client RFPs as GeoDyne.
• WSP: Global professional services firm with substantial UK environmental and geotechnical practices serving developers, local authorities, and infrastructure clients — competes with GeoDyne on larger and more complex brownfield and regeneration mandates.
• Ramboll: Global engineering consultancy with UK environmental, ground engineering, and remediation practices providing services to property developers and public-sector clients comparable to GeoDyne's focus areas.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/GeoDyneLtd
• LinkedInlinkedin.com/company/geodyne-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 GEODYNE LIMITED