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Environmental Consulting Companies in Leeds: 33 Active Firms (2026)
Environmental consulting companies in Leeds advise on permits, impact, risk and sustainability across the city region’s regulated sites.
Buying centres tend to sit with estates, planning, compliance, sustainability and capital-project teams rather than with a dedicated environmental budget holder. Leeds-based providers usually sell to commercial landlords, industrial operators, infrastructure sponsors, developers and public bodies across Northern England, with work shaped by permits, waste, water discharge, groundwater, flood-risk, land drainage and pollution obligations. Engagements often start as discrete technical reports or planning inputs, then widen into retained monitoring, audit and regulatory liaison where a client has operating-site exposure. The buyer behaviour is professional-services led: credibility rests on specialist staff, defensible reports and the ability to translate regulator expectations into project decisions.
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Leeds has 33 actively trading environmental consulting companies, with a reported headcount of 352 across the cohort. That makes the local market a compact professional-services base rather than a volume software-style category. Only 1 operator is above £5M turnover, while 4 were incorporated since 2022, so the revenue profile is weighted towards smaller consultancies and specialist practices. The employment footprint is visible enough to show technical labour attached to this local cluster, not just registered advisory vehicles with limited operating substance.
Professional-services categorisation matters here because much of the work is tied to regulated environmental regimes rather than a standalone licence for consultants. Environment Agency and Defra guidance says organisations may need a permit or licence for activities that could pollute air, water or land, increase flood risk, affect land drainage, or abstract or impound water; operating without the required permission is unlawful. Relevant routes include installations, waste operations, water discharge and groundwater activities, flood-risk activities, radioactive substances and water abstraction. The Environment Agency is the main regulator for many permits, while local councils handle some installation and solvent-emission permissions. ISEP provides the professional-body context for sustainability and environmental practitioners.
Demand appears likely to track the practical burden of permits, planning conditions and climate-risk reporting rather than sentiment about sustainability alone. Leeds providers tend to sit close to property, infrastructure and industrial clients, so project flow may be uneven when development cycles slow or public procurement tightens. Scarcity at the scale-up end also points to a fragmented advisory market, where specialist teams compete on technical judgement and regulator familiarity. Over time, consolidation appears more plausible around framework access, multidisciplinary teams and regional coverage than around consumer-style brand recognition.
33
Active firms
2026
1
Above £5M
turnover
4
Incorporated since 2022
Key facts
About 3% of the trading cohort reports turnover above £5M (1 of 33 firms) — the rest sits below that revenue band.
12% of the cohort was incorporated since 2022 (4 firms), so a sizeable share is in its first few filing cycles.
GOV.UK guidance from the Environment Agency and Defra says organisations may need an environmental permit or licence for activities that could pollute the air, water or land, increase flood risk, affect land drainage, or abstract or impound water.
Relevant permit routes include installations, waste operations, water discharge and groundwater activities, flood-risk activities, radioactive substances, and water abstraction.
The Environment Agency is the main regulator for many permits, while some installation and solvent-emission permits are handled by local councils.
ONS maintains SIC 2007 sub-class 74.901 for environmental consulting activities and publishes VAT/PAYE-based enterprise count, employment, employees and turnover by employment size band for 2022 to 2024.
The largest 27 UK environmental and sustainability consulting participants grew combined annual revenues by 123% between 2019 and 2024.
Top Leeds environmental consulting companies
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
Sweco UK
Provides engineering, environmental and design consultancy services for buildings, infrastructure, transport, water and energy projects, including structural and civil engineering, planning,…
Serves public and private sector organisations commissioning built environment and infrastructure projects, including property developers, transport bodies, utilities, energy and water companies,…
Location
Enviro-Leaf Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and social impact assessment consulting for energy, infrastructure and urban planning projects. Services include environmental impact assessments, life cycle assessments,…
Serves businesses and project developers in renewable energy, infrastructure and urban planning, including solar, hydropower and transmission line projects requiring environmental and social…
Financial Health
WeakWeak · -70% CAGR over 4y
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
ARP GEOTECHNICAL LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides civil, structural and geotechnical engineering consultancy services, including site investigations, geo‑environmental assessments, topographical surveys, infrastructure and foundation…
Serves property developers, contractors, architects and asset owners across residential, commercial, industrial, retail/leisure, health, education, infrastructure and water projects, including…
Financial Health
StableStable · -4% CAGR over 3y
Location
ENTRUST SERVICES LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides planning and environmental consultancy for energy and telecommunications infrastructure projects. Services include planning applications, ecology and landscape assessments, public…
Serves B2B developers, utilities and infrastructure operators in the UK and Ireland, especially energy, telecoms, renewables, grid, water, heat network and storage projects needing planning and…
Financial Health
StableStable · 0% CAGR over 2y
Location
Hartez Corporation Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
A A H PLANNING CONSULTANTS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides planning consultancy, landscape architecture and civil engineering services. Supports planning permission and environmental impact assessment processes for developments, including…
Serves public and private sector organisations across the UK, especially residential property developers and developers of infrastructure-scale battery storage projects.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
HILL LAWRENCE ENVIRONMENTAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building services and environmental consulting engineering. Services include mechanical and electrical design, infrastructure masterplanning, sustainability advice, project management,…
Serves commercial, education and public-sector property clients, developers, architects and construction teams across the UK and Ireland needing building-services and environmental engineering input…
Financial Health
DistressedDistressed
Location
NEW POWER HOLDINGS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates a carbon credit verification and registry platform and develops carbon offset projects. Provides carbon footprint assessments, ISO 14064 training, ESG and carbon strategy advisory, and…
Sells to businesses, public sector bodies and governments seeking carbon credit verification, carbon accounting and sustainability support. Serves organisations running corporate sustainability…
Financial Health
StrongStrong
Location
Greenbox Thinking Solutions Ltd
Trajectory
1y · 2025–NowProvides consulting to construction companies on assessing net zero carbon capability, analysing corporate and project emissions, and sourcing and validating carbon credits to offset embodied and…
Serves B2B construction-sector organisations, including builders, developers and their supply chains across sectors, especially firms responsible for new-build or refurbishment projects.
Financial Health
Insufficient historyInsufficient history
Location
The Environmental Protection Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and civil engineering consultancy services including flood risk assessment, hydraulic modelling, sustainable drainage system design, geoenvironmental risk assessment, ground…
Serves B2B and public sector clients in property, sports facility development, infrastructure and the built environment, including housing, retail, commercial, schools, hospitals and brownfield…
Financial Health
StrongStrong · Hiring · 30% CAGR over 4y
Location
Abbeydale Geoscience Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides geotechnical and geo-environmental consultancy for land development projects, including Phase 1 desk studies, flood and mining risk assessments, ground investigations, soakaway testing, and…
Serves property developers, landowners and construction project teams needing ground-related advice for planning, building control and development projects across Yorkshire and the wider UK.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
GeoEnviro Solutions Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsProvides geotechnical and environmental site investigation services for construction and redevelopment projects, including soil sampling, borehole drilling, contamination risk assessment, ground…
Serves architects, builders, structural and consulting engineers, developers and local authorities involved in construction, infrastructure and redevelopment projects across the UK.
Financial Health
StableStable · Hiring · 17% CAGR over 3y
Location
Geoenvironmental Consulting Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Rogers Geotechnical Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides ground investigation and geotechnical engineering services for construction projects, including site investigations, drilling and excavation, in‑situ testing, soil and laboratory analysis,…
Serves construction companies, property developers, designers, local councils and geotechnical specialists across the UK, targeting organisations involved in construction and development projects.
Financial Health
HealthyHealthy · -1% CAGR over 3y
Location
Ebsford P&E Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides aquatic and river restoration services including dredging, sediment management and fish passage works. Carries out vegetation management and invasive plant removal, and delivers blue‑green…
Serves UK residential and commercial developers, principal and framework contractors, local authorities, heritage organisations, water companies, internal drainage boards and consultants.
Financial Health
WeakWeak
Location
Geo2 Remediation Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides contaminated land assessment and remediation services, including soil and groundwater treatment, chemical injection, bioremediation, air sparging, vacuum extraction, soil stabilisation, and…
Serves B2B clients with contaminated land liabilities, including property developers, landowners, petrol station/forecourt operators and transaction teams managing sites across the UK.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
Stroma
Provides building compliance testing, environmental and energy assessments, acoustic and air‑tightness testing, and surveying services for construction projects. Conducts BREEAM, SAP and SBEM…
Serves B2B construction clients across the UK built environment, including developers, contractors and project teams on residential and commercial new-build, retrofit, rail, highways and…
Location
Stroma Building Control
Provides compliance testing, environmental assessments and technical surveys for construction projects, including air tightness and sound insulation testing, energy modelling, SAP/SBEM calculations,…
Serves B2B construction and built environment clients across the UK, including developers and project teams for residential and commercial new builds, retrofit projects, and organisations responsible…
Location
STRI HOLDINGS LIMITED (CONSOLIDATED)
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design, engineering and management consultancy for sports facilities, landscapes and urban environments. Services include planning, sports surface design, construction support, environmental…
Serves sports venue owners, governing bodies, local authorities, developers and operators of residential, corporate and commercial spaces, across both B2B and public-sector markets.
Financial Health
StrongStrong
Location
MCHALE CONTRACTS AND PLANT ENVIRONMENTAL LLP
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides asbestos surveying, removal and remediation services, including bulk sample analysis and consultancy. Also delivers civil engineering works such as groundworks, drainage and road…
Serves local authorities, housing providers, private landlords, property managers and contractors responsible for building safety, compliance and maintenance.
Financial Health
WeakWeak · -2% CAGR over 2y
Location
Green Sustainable Energy Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering consultancy, design and project management for renewable and low‑carbon energy systems, including district heat networks, biomass, combined heat and power, heat pumps and solar.…
Serves public sector bodies, large utility companies and commercial organisations involved in renewable, low-carbon, decentralised energy, building efficiency and district heat network projects…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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How Leeds environmental consulting companies work and how to sell to them
What they do
Leeds environmental consultancies earn revenue through fixed-fee technical studies, day-rate advisory work, framework call-offs and retained compliance support. The sale is usually a professional-services engagement rather than a repeatable software licence: the client buys surveys, risk assessments, environmental statements, permit applications, modelling, site audits, due-diligence reports and regulator correspondence. Smaller jobs can be attached to a planning application or property transaction, while industrial and infrastructure clients tend to create repeat work where monitoring, discharge conditions, remediation or permit variation remain live. Pricing usually reflects staff grade, site complexity, liability exposure and the need for specialist subcontractors.
Who they sell to
Most providers sell to asset owners and project sponsors rather than to environmental specialists alone. Typical buyers include property developers, commercial landlords, manufacturers, utilities contractors, civil-engineering teams, local authorities and public-sector estates functions. Decision-makers are often heads of estates, planning directors, project managers, environmental managers, compliance leads, procurement teams and finance approvers. Lower-risk assignments may be bought directly after a short scoping call, but public bodies and larger infrastructure clients often use frameworks, approved-supplier lists or formal tenders. Sales cycles tend to lengthen when legal liability, planning deadlines, contaminated land or regulator engagement sits behind the brief.
What they buy
Most environmental consulting firms tend to spend on tools and services that improve utilisation, technical quality and bid conversion. Relevant categories include CRM, proposal management, project accounting, timesheets, resource planning, document control, field-data capture, GIS, environmental monitoring equipment, laboratory services, insurance, legal advice, HR systems and specialist recruitment. Practices with more site work may also buy fleet support, health-and-safety training, lone-worker processes and subcontractor management. Marketing spend is usually pragmatic: sector-specific content, tender support, website hygiene and relationship-led business development matter more than high-volume demand generation, because many assignments depend on trust, repeat procurement and defensible technical evidence.
Why and how to sell to them
Environmental consulting buyers tend to evaluate suppliers when delivery strain becomes visible: more tenders than the senior team can handle, project overruns, document-version problems, difficulty recruiting technical staff, or rising insurer and client scrutiny over report quality. Commercial triggers include a move onto public-sector frameworks, expansion beyond Yorkshire, new senior hires, acquisitions, or a shift from one-off reports into retained compliance work. Outbound messages are more credible when they connect to billable utilisation, tender win-rate, regulator-facing audit trails, field-to-office handover or reduced rework. Generic sustainability language is less useful than showing how the offer protects margin and technical defensibility.
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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