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Environmental Consulting Companies in the UK: 1,163 Active Firms (2026)
Environmental consulting companies advise on permits, compliance, impact assessment and sustainability strategy across the UK.
Buying centres tend to sit with environment, planning, estates, legal, finance and operations teams, rather than a single software or procurement owner. Work is usually project-led, with scopes ranging from discrete permit support and site due diligence to multi-disciplinary programmes covering impact assessment, compliance management, climate risk and sustainability reporting. The customer base is mainly B2B and public sector: infrastructure owners, property developers, industrial operators, utilities and regulated organisations with exposure to air, water, land, waste, flood-risk or abstraction regimes. Smaller boutiques often sell depth in one technical domain; larger consultancies tend to combine scientists, engineers, analysts and project managers under a broader advisory model.
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The UK cohort contains 1,163 actively trading environmental consulting firms. Reported headcount totals 2,840 people, giving the category a measurable employment footprint while still looking like a fragmented professional-services market rather than a concentrated industry. The mix appears to run from owner-managed specialist practices through to larger advisory groups serving infrastructure, industrial, property and public-sector buyers. Revenue depth is not evenly distributed: the upper-revenue tier is present, but much of the market still appears to sit in smaller consultancy formats where technical expertise, permitting experience and framework access matter more than brand scale.
Environmental consulting sits as a professional-services category rather than a licensed activity in its own right. Demand is shaped by activities that may pollute air, water or land, increase flood risk, affect land drainage, or involve abstraction or impoundment of water. In England, Environment Agency and Defra guidance requires permits or licences before many such activities proceed; local councils handle some installation and solvent-emission permits. Work therefore often maps to installations, waste operations, water discharge, groundwater activities, flood-risk activity, radioactive substances and water abstraction regimes. ISEP, formerly IEMA, provides the professional-body context for sustainability and environmental practitioners.
Procurement appears to favour teams that can connect permitting, climate reporting and site-risk work, especially where clients face overlapping obligations from regulators, investors and public-sector buyers. Smaller specialists tend to remain relevant where the work requires scarce technical judgement, local planning knowledge or niche scientific expertise. Larger providers may keep adding adjacent services, but the market does not look like a simple scale contest: credibility still depends on named disciplines, defensible methods and experience with the relevant regulator. Recent company formation suggests continued entry, although conversion into larger consultancy platforms is likely to remain uneven.
1,163
Active firms
2026
74
Over £5M turnover
Companies above threshold
211
Incorporated since 2022
Recent company formation
Key facts
About 6% of the trading cohort reports turnover above £5M (74 of 1,163 firms) — the rest sits below that revenue band.
18% of the cohort was incorporated since 2022 (211 firms), so a sizeable share is in its first few filing cycles.
Environmental consulting is a professional-services category rather than a single licensed activity, with work often tied to environmental permits, impact assessment and compliance advice.
Environment Agency and Defra guidance in England covers activities that could pollute the air, water or land, increase flood risk, affect land drainage, or abstract or impound water.
Permit routes include installations, waste operations, water discharge and groundwater activities, flood-risk activities, radioactive substances and water abstraction.
ONS classifies environmental consulting under SIC 2007 sub-class “74.901 - Environmental consulting activities” and publishes VAT/PAYE enterprise count, employment, employees and turnover series for 2022 to 2024.
The largest 27 UK environmental and sustainability consulting participants grew combined annual UK revenues by 123% between 2019 and 2024; globally, the largest 38 rose from 52% to 65% market share over the same period.
Top UK Environmental Consulting companies
SOL ENVIRONMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and sustainability consultancy services for construction, infrastructure and industrial projects, including planning support, environmental permitting, low‑carbon and renewable…
Serves B2B clients across the UK and internationally, including industrial, residential and commercial developers, waste infrastructure and renewable energy firms, architects, planners, engineering…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
M.J. Carter Associates Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides environmental consultancy and technical advice to public and private sectors, including water assessment and management, environmental impact assessments, geotechnical and ground…
Serves public and private sector organisations needing environmental advice, including waste management operators, mineral developers, landfill owners, developers and industrial businesses subject to…
Financial Health
StrongStrong · -1% CAGR over 3y
Location
STM Environmental Consultants Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental consultancy and geo‑environmental engineering services, including contaminated land risk assessments, site investigations, flood risk and drainage strategies, air and noise…
Serves public and private sector organisations involved in UK property and infrastructure development, including developers, landowners, planners and businesses with environmental compliance needs.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
H FRASER CONSULTING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides hydrogeology and environmental consulting services, including contaminated land assessment, groundwater management, hydrology and drainage studies, environmental impact assessments, landfill…
Serves UK organisations involved in land development, waste, water and environmental management, including developers, landfill operators, landowners and public-sector bodies.
Financial Health
StrongStrong · Hiring · 35% CAGR over 4y
Location
ENZYGO LIMITED
Trajectory
4y · 2019–NowFinancial sub-scores
Computed from 4 filingsProvides environmental and planning consultancy services for development projects, including ecology, air quality, noise, hydrology, geo‑environmental assessments, arboriculture, landscape and…
Serves property developers, housebuilders, industrial project sponsors and planning-led organisations involved in development, redevelopment, transport and sustainable fuels infrastructure projects.
Financial Health
StableStable · -51% CAGR over 6y
Location
RPS
Provides engineering, environmental and management consulting services for projects in the property, energy, water, transport, resources and government sectors, including architecture and…
Serves businesses and public-sector bodies in property, energy, transport, water, resources, defence and government, including project owners, developers and infrastructure organisations needing…
Location
GEOSYNTEC CONSULTANTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental, engineering, and consulting services for infrastructure, energy, water, and industrial projects. Activities include contaminated site assessment and remediation, geotechnical…
Serves private and public sector clients in utilities, energy, manufacturing, mining, oil and gas, pharmaceuticals, food and beverage, real estate, finance, legal, and government organisations.
Financial Health
StableStable · -63% CAGR over 4y
Location
COLLABORATIVE ENVIRONMENTAL ADVISERS (CEA) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental consultancy for energy infrastructure projects including offshore wind, power cables and nuclear developments. Services include environmental impact assessment, habitat…
Serves B2B clients developing and operating major energy infrastructure projects, especially offshore wind, power cables and nuclear. Targets UK and international project developers, operators and…
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
Location
McCloy Consulting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides water and environmental engineering consultancy services, including flood risk assessments, drainage design, hydraulic modelling, groundwater and hydrogeology studies, contaminated land risk…
Serves public and private sector clients across the UK and Ireland, including local authorities, developers, infrastructure and construction teams, and operators of wind farm, quarry, cemetery and…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
RPS COMPANY SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering, environmental and management consulting services for infrastructure, energy, water, transport, property and government projects, including design, planning, environmental…
Serves businesses and public sector organisations in property, energy, transport, water, resources, defence and government, including project owners, developers and infrastructure bodies.
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
Envams Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides environmental consultancy services for renewable energy developments, including environmental impact assessments, planning and consent applications, surveys, and compliance advice for solar,…
Serves B2B renewable energy developers and project sponsors working on UK low-carbon energy projects, especially large-scale ground-mounted solar, onshore wind, offshore wind and related…
Financial Health
StrongStrong · Growing, Hiring · 112% CAGR over 2y
Location
NEO Environmental
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides planning and environmental consultancy services for energy, infrastructure, residential and commercial developments. Services include environmental impact assessment, ecology, hydrology,…
Serves B2B clients in the UK and Ireland, including energy developers, renewable energy operators, residential and mixed-use developers, retail, utilities, aggregates, quarrying and infrastructure…
Financial Health
StrongStrong · Hiring · 42% CAGR over 4y
Location
BCL Consultant Hydrogeologists Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides hydrogeological and hydrological consultancy services including groundwater and water quality monitoring, flood risk and environmental impact assessments, drainage and dewatering…
Serves B2B clients in aggregates, construction and development, from individual landholdings to multinational organisations, plus operators needing planning, permitting, abstraction licensing or…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
KAYA CONSULTING LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides environmental and water management consultancy services including flood risk assessments, hydrological studies, hydraulic and coastal modelling, geomorphology analysis, peatland surveys,…
Serves property developers, infrastructure and engineering firms, environmental consultants, local councils, regulatory agencies and landowners needing flood, water, peatland and geomorphology input…
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 2y
Location
GEO ENVIRONMENTAL APPLICATIONS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides environmental consultancy services for property and construction projects, including Phase 1 and Phase 2 environmental site assessments, contaminated land investigations, remediation…
Serves B2B clients in the property and construction sectors, including developers, contractors, consultants and site owners involved with brownfield, contaminated land, watercourse, port or marina…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
BEK Enviro Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geo‑environmental consulting services including contaminated land site investigations, flood risk assessments, drainage design, geotechnical analysis, ground gas risk assessments, ecological…
Serves organisations involved in land, property, construction and development projects that require geo-environmental consultancy input.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
ENVIRONMENT PROTECTION LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides environmental engineering and consultancy services including flood risk assessments, hydraulic modelling, sustainable drainage system (SuDS) design, geoenvironmental risk assessment, ground…
Serves property, sports facility and infrastructure developers, plus public sector organisations, including clients involved in housing, retail, commercial, school and hospital projects.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Tier Environmental Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides environmental and geotechnical consultancy services for land and development projects, including contaminated land assessments, soil and groundwater sampling, radon and landfill gas…
Serves property developers, construction teams and asset owners across warehouse/logistics, residential, manufacturing, student accommodation, offices, public buildings, retail/leisure/hotel,…
Financial Health
StrongStrong · -4% CAGR over 2y
Location
Aval Consulting Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and engineering consultancy for planning and development projects, including air quality, ecology and biodiversity surveys, flood risk and drainage assessments, transport…
Serves UK property developers, architects, planning consultants, landowners and homeowners involved in residential or commercial developments, especially those preparing planning applications or…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Provides environmental engineering, flood risk assessment, catastrophe modelling and climate resilience consultancy. Develops flood maps, risk analytics and water management studies for governments,…
Serves national governments, public agencies, international bodies, insurers, financial institutions and businesses worldwide, particularly organisations managing flood, water, environmental and…
Location
COGEO PLANNING AND ENVIRONMENTAL SERVICES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides planning and environmental consultancy services for development projects, particularly renewable energy schemes. Services include planning applications and appeals, environmental impact…
Serves housing, minerals, renewable energy and industrial developers, plus local authorities, architects, planning consultants, farmers, domestic clients and community groups.
Financial Health
StrongStrong · Growing, Hiring · 36% CAGR over 5y
Location
R.E.S Environmental Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides urban drainage and environmental consultancy services, including wastewater and river modelling, integrated catchment analysis, flood risk and SuDS planning, GIS and data management, and…
Serves UK water companies, local authorities, lead consultants and property developers involved in wastewater networks, river catchments, flood risk and drainage projects.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 2y
Location
JOMAS ASSOCIATES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geotechnical and environmental engineering consultancy, including site and soil investigations, land contamination assessments, flood risk and environmental impact assessments, basement…
Serves UK property developers, construction and infrastructure project teams, landowners and public sector bodies involved in land acquisition, planning, redevelopment and major building projects.
Financial Health
HealthyHealthy · Growing, Hiring · 17% CAGR over 4y
Location
HR WALLINGFORD CORETECX LIMITED
Trajectory
1y · 2024–NowProvides consultancy, research and modelling services on water environments, including flood risk, coastal and marine engineering, ports and waterways, and water resources. Develops simulation…
Serves public bodies, infrastructure developers and engineering teams in water-related sectors, including flood and coastal management, ports and waterways, energy, water resources, and…
Financial Health
Insufficient historyInsufficient history
Location
Earth Environmental & Geotechnical (North East) Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and geotechnical consultancy services including site and ground investigations, contaminated land assessments, coal mining and flood risk assessments, ecological and radon…
Serves B2B and public sector buyers involved in land, property and infrastructure projects, including contractors, consultants, energy, insurance, landfill, legal, telecommunications and mining…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
RSK
Provides environmental and engineering consultancy and technical services, including engineering design, environmental assessment, testing, inspection, certification and compliance support for…
Serves public and private sector clients worldwide in energy, infrastructure, water, and natural and built environment markets, including organisations managing complex development, compliance and…
Location
Geo Environmental Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geotechnical and environmental consultancy services including site investigations, ground and contamination assessments, slope stability analysis, drainage and SUDS design support, and…
Serves property developers, contractors, utilities, renewable energy operators, transport and rail bodies, healthcare, education and government organisations involved in land development and…
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
Wallingford Hydrosolutions Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides hydrology and water environment consultancy and develops software for flood and river flow analysis. Offers tools such as WINFAP, ReFH2 and LowFlows for flood estimation, catchment analysis…
Serves regulators, public bodies, national businesses, project teams and private individuals whose work impacts water in the environment, particularly in development, renewables, transport, power and…
Financial Health
StrongStrong · Growing · 3% CAGR over 2y
Location
Edenvale Young Associates Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and environmental consultancy focused on river, coastal and flood risk management. Services include hydraulic and hydrological modelling, flood risk and consequence…
Serves developers, infrastructure owners, and environmental or engineering practitioners working on fluvial, coastal and maritime projects, including those needing technical training and support.
Financial Health
StableStable · -5% CAGR over 4y
Location
Watermans Group Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates engineering and environmental consultancy businesses providing planning, design and technical advisory services across the project lifecycle, including structures, building services,…
Serves property developers, asset owners, contractors and public-sector bodies across built environment and infrastructure sectors, including commercial, residential, education, healthcare, defence,…
Financial Health
StrongStrong
Location
CALEY WATER LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides hydraulic and environmental engineering consultancy services, including modelling and assessment of wastewater, sewer and clean water networks. Conducts flood risk analysis, drainage and…
Sells B2B to water utilities/providers, property developers and civil/environmental engineering organisations in the UK and internationally, especially teams responsible for sewer networks,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Johnson Poole & Bloomer Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides engineering consultancy focused on geotechnical and geoenvironmental projects, including site investigation, land contamination assessment, mining and ground stabilisation advice, quarrying…
Serves UK organisations with interests in land development, mineral resources, quarrying, mining and ground risk, including developers, landowners and site operators.
Financial Health
WeakWeak · 5% CAGR over 2y
Location
GEO-INTEGRITY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geotechnical and geo‑environmental consultancy for construction and land development projects, including site investigations, soil and groundwater testing, contaminated land risk assessment,…
Serves property developers, construction firms and landowners planning building projects in Central England, particularly clients with ground condition, contaminated land and construction waste…
Financial Health
StableStable · -62% CAGR over 4y
Location
ASHDOWN SITE INVESTIGATION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides geotechnical and environmental consultancy services including ground investigation, soil and groundwater sampling, laboratory testing, desk studies, soakage testing, waste soil…
Serves construction companies, property developers, engineers and site purchasers needing geotechnical, environmental and contaminated-land evidence for planning, warrantor, regulator and design…
Financial Health
DistressedDistressed · -2% CAGR over 2y
Location
IDOM MEREBROOK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and engineering consultancy for construction and development projects, including contaminated land assessment, air quality and odour studies, asbestos in soil investigation,…
Serves businesses and project teams involved in UK construction projects, including clients managing land, compliance, geotechnical, air quality, waste and asbestos-related environmental risks.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Water Environment Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering and environmental consultancy focused on water management and flood risk. Services include flood risk assessments, hydrological and hydraulic modelling, drainage and flood…
Serves property developers, landowners, planning applicants and public-sector bodies across the UK, from single-house schemes to large residential developments and government infrastructure projects.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
TWEEDIE EVANS CONSULTING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and geotechnical consultancy services for development projects, including contaminated land assessments, site investigations, ground engineering studies, waste testing and…
Serves UK property developers, construction and engineering teams, landowners, waste operators and public-sector bodies involved in development sites, brownfield redevelopment, infrastructure, parks…
Financial Health
StableStable · Hiring · 2% CAGR over 4y
Location
G&J Geoenvironmental Consultants Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides geoenvironmental and geotechnical consultancy services including Phase 1 desk studies, site investigations, contaminated land risk assessments, geotechnical ground investigations, gas and…
Serves land developers, property owners, construction contractors and regulators across the UK involved in sites with ground risk, contaminated land or geotechnical requirements.
Financial Health
WeakWeak · -9% CAGR over 2y
Location
Lustre Consulting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental consultancy services for property and development projects, including contaminated land assessments, desk studies, site and geotechnical investigations, flood risk and drainage…
Serves property developers, landowners and project/design teams across the UK seeking planning and regulatory approval for sites to be built or redeveloped.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
E3S CONSULTING LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides environmental and engineering consultancy services for development and infrastructure projects, including ecology surveys, contaminated land and groundwater assessment, site investigation,…
Serves planning consultants, local authorities, infrastructure delivery suppliers and other consultants across the south coast, supporting clients involved in developments from single-building…
Financial Health
HealthyHealthy · -4% CAGR over 3y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental engineering consultancy and contracting services for land and water infrastructure projects, including brownfield site remediation, habitat and ecological assessments, risk…
Serves public sector bodies, developers, landowners and infrastructure project teams involved in brownfield, remediation and blue/green infrastructure projects across the UK.
Financial Health
StableStable
Location
WEETWOOD SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides consultancy on flood risk, drainage and water management for property development projects, including site appraisals, drainage assessments and design, planning support, environmental and…
Serves property developers, landowners, planning applicants and organisations involved in residential, commercial and strategic land development, plus clients in planning appeals, land tribunals and…
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
LITHOS CONSULTING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides geoenvironmental consultancy services including site investigations, geotechnical assessments, land contamination studies, remediation planning, environmental monitoring, and construction…
Serves B2B and public sector clients including residential and commercial property developers, landowners, local authorities, banks, national housebuilders and UK plcs involved in construction,…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
GEOTECHNOLOGY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geotechnical and environmental consultancy services including ground investigation, geophysical and microgravity surveys, waste and environmental assessments, and monitoring. Advises…
Serves B2B and public sector clients, including governmental organisations, consulting engineers, industrial corporations and commercial developers, across geotechnical and environmental project…
Financial Health
HealthyHealthy · -67% CAGR over 4y
Location
Environmental Protection Strategies Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides environmental and geotechnical consultancy services including flood risk and drainage strategies, geo‑environmental site investigations, air quality and light impact assessments, and…
Serves property developers, planners and project teams in residential, retail, industrial and commercial sectors needing environmental and technical consultancy for development and planning projects.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
GEOSPHERE ENVIRONMENTAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and geotechnical consultancy services for development and infrastructure projects, including contaminated land assessments, ground investigations, ecological surveys, tree…
Serves B2B and public-sector clients involved in development and infrastructure projects, including architects, developers, local authorities, utility suppliers, government bodies, consultants and…
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 4y
Location
EPS (Leeds) Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides environmental and engineering consultancy services including flood risk and drainage strategies, geo‑environmental and geotechnical assessments, daylight and lighting impact studies, air…
Serves property developers, planners and project teams in the residential, retail, industrial and commercial sectors, typically on development, planning and site assessment projects.
Financial Health
StrongStrong · Hiring · 10% CAGR over 2y
Location
ROBERTS ENVIRONMENTAL LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides geo-environmental and geotechnical consulting services, including environmental due diligence, site and ground investigations, contaminated land risk assessment, coal mining risk…
Serves property developers, real estate investors, asset managers, lenders and advisers involved in site acquisitions, refinancing and development across residential, care home, industrial and…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
EcoVigour Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental consultancy and ecological services for construction and industrial projects, including environmental audits, environmental management plans, waste minimisation planning,…
Serves UK construction and industrial clients, including contractors, developers, infrastructure firms and organisations needing project compliance with environmental, ecological and sustainability…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
B W CONSULTANTS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides environmental engineering and ecological planning consultancy for development projects. Services include environmental impact assessments, ecological surveys, habitat and protected species…
Serves developers and organisations in the planning and development sector across Ireland, Northern Ireland and the UK, including renewable energy, large residential, commercial and industrial…
Financial Health
StableStable · Hiring · 41% CAGR over 2y
Location
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How UK Environmental Consulting companies work and how to sell to them
What they do
Environmental consultants earn mostly from fee-for-service advisory work rather than subscription or licence income. Revenue comes through scoped projects, framework call-offs, retainers and specialist subcontracting, with pricing built around consultant day rates, fixed-fee deliverables, fieldwork costs and recoverable third-party spend. The sellable asset is a mixture of technical judgement and evidence: surveys, modelling, monitoring plans, permit applications, impact assessments, compliance audits, management systems and board-level sustainability advice. Margins depend on utilisation, grade mix, repeatable methods and the ability to manage site access, sampling, subcontractors and regulator comments without allowing project scope to drift.
Who they sell to
Most sell to organisations with physical assets, regulated operations or planning exposure: developers, infrastructure owners, utilities, manufacturers, waste operators, local authorities and other public bodies. Buying groups typically include environment managers, planning leads, estates directors, operations heads, legal counsel, finance teams and procurement. Transactional due diligence can move through direct referral or a tightly scoped brief, while infrastructure and public-sector work often comes through frameworks, tenders or formal requests for proposal. Sales cycles tend to lengthen when the client needs board approval, public consultation, regulator engagement or coordination across engineers, lawyers and planning advisers.
What they buy
Most environmental consulting firms tend to spend on tools and services that protect utilisation and evidence quality. Common categories include practice management, time recording, project accounting, CRM, bid management, document control, field data capture, GIS, analytics, cyber security, quality management, HR and learning systems. They also buy professional indemnity advice, legal support, accountancy, recruitment, specialist training, laboratory services, survey equipment, vehicles, cloud hosting and subcontracted technical capacity. Firms with several offices or disciplines usually care about resource scheduling and knowledge reuse; smaller specialists may prioritise lead generation, proposal support and systems that reduce manual report assembly.
Why and how to sell to them
Environmental consulting buyers tend to evaluate suppliers when workload becomes harder to manage through spreadsheets, email and local folders. Triggers include a new framework win, entry into a regulated service line, headcount growth, senior finance or operations hires, recurring margin leakage, audit findings, project overruns, or a client requirement for clearer reporting. Outbound works better when it links to delivery risk rather than generic efficiency: fewer missed obligations, cleaner handover between field and office teams, better utilisation visibility, faster proposal turnaround, or clearer evidence for Environment Agency, Defra, local council or investor scrutiny. Proof should be practical, preferably tied to project delivery and billable-time protection.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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