Enzygo Ltd
Based in Sheffield (also offices in Manchester, Bristol, Cromhall, Cambridge, Cardiff and Belfast) · Covers UK-wide Accreditation stated by provider: CIEEM Registered Practice, ISO 9001, ConstructionlineOwn websiteUK-wide
01 · Planning stage · BNG
Biodiversity net gain assessment in Northern Ireland
30 providers offering biodiversity net gain assessment in or across Northern Ireland, including national firms. The rules in Northern Ireland differ from England’s, so see the notes below.
The rules in Northern Ireland
Northern Ireland doesn’t currently mandate England’s statutory biodiversity net gain scheme, though some councils encourage biodiversity enhancement as part of applications.
30 ecologists for Northern Ireland
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Based in or covering Northern Ireland (4)
Lucion Group
Based in Gateshead, Tyne and Wear · Covers Head office Team Valley, Gateshead; offices in Aberdeen, Preston Brook, Manchester, Hull, Leeds, South Yorkshire, Lincoln, Peterborough, Coventry, Surrey, Stroud, Bristol, London and Northern Ireland Accreditation stated by provider: UKAS-accredited inspection body No. 0263 (asbestos), CIEEM-accredited ecologistsOwn website
Neo Environmental
Based in Bellshill, North Lanarkshire · Covers Offices in Bellshill, Ballymena (NI), Bristol, Warrington and Dublin Accreditation stated by provider: IEMA, ISO 9001 (NQA)Own website
Starling Ecology
Based in Belfast · Covers Throughout Ireland and Scotland Accreditation not yet checkedOwn website
National providers (check they cover your area) (26)
ACP Consultants
Based in London · Covers UK-wide Accreditation stated by provider: CIEEMOwn websiteUK-wide
Applied Ecology Ltd
Based in Cambridge · Covers Across the UK, from Cambridge and Glasgow offices Accreditation stated by provider: CIEEM Registered PracticeOwn websiteUK-wide
Arbtech Consulting Ltd
Based in Chester · Covers UK-wide (England and Wales) Accreditation stated by provider: Not statedOwn websiteUK-wide
Baker Consultants Ltd
Based in Matlock, Derbyshire · Covers Says it works for developers and land managers across the UK Accreditation stated by provider: Natural England Bat Earned RecognitionOwn websiteUK-wide
Brindle & Green
Based in Radbourne, Derby · Covers UK-wide; offices in Derby, Milton Keynes, Sheffield, Barnsley, Sevenoaks and London Accreditation not yet checkedOwn websiteUK-wide
Brooks Ecological Ltd
Based in Guiseley, Leeds · Covers Yorkshire and the Humber, North West England, nationwide Accreditation stated by provider: CIEEM Registered Practice (2025-2026), follows BS 42020Own websiteUK-wide
Collington Winter Environmental Limited
Based in Bolton · Covers Offices in Bolton, Cambridge, Leicester, Bristol and Dumfries Accreditation not yet checkedOwn websiteUK-wide
Crossman Ecology
Based in Oakhill, Somerset · Covers South West and UK-wide Accreditation stated by provider: Not statedOwn websiteUK-wide
Ecus Ltd
Based in Sheffield, South Yorkshire · Covers Nationwide Accreditation stated by provider: Not statedOwn websiteUK-wide
EnviroCentre Limited
Based in Glasgow · Covers UK-wide from Glasgow head office and regional offices Accreditation stated by provider: ISO 9001, ISO 14001, ISO 45001Own websiteUK-wide
Essential Ecology
Based in Bromsgrove, Worcestershire · Covers Projects across the UK Accreditation not yet checkedOwn websiteUK-wide
FPCR Environment and Design Ltd
Based in Lockington, Derbyshire · Covers UK-wide; offices in Lockington, Sheffield, York, Dorking, Exeter and Wareham Accreditation not yet checkedOwn websiteUK-wide
Green Shoots Ecology
Based in Woodford Green, London · Covers Nationwide Accreditation stated by provider: Not statedOwn websiteUK-wide
Keystone Environmental Ltd
Based in Tetbury, Gloucestershire · Covers UK-wide, from offices near Tetbury, in Ystrad Mynach (Caerphilly) and near Exeter Accreditation not yet checkedOwn websiteUK-wide
Middlemarch Environmental
Based in Coventry · Covers Says it operates throughout the UK; offices in Coventry and Ashbourne Accreditation not yet checkedOwn websiteUK-wide
MKA Ecology Ltd
Based in Cambridge · Covers Throughout the UK from Cambridge, London and Oxford offices Accreditation not yet checkedOwn websiteUK-wide
Peak Ecology Limited
Based in Bakewell, Derbyshire · Covers Clients throughout Britain Accreditation stated by provider: CIEEM (staff work to its code of conduct), ISO 9001Own websiteUK-wide
Phlorum
Based in Brighton, East Sussex · Covers National team; air quality work focused on southern England Accreditation stated by provider: PCA accredited, ISO 9001, ISO 14001, ISO 45001, Expert Witness Institute member, Trustmark registered, River Restoration Centre memberOwn websiteUK-wide
RammSanderson
Based in Beeston, Nottingham · Covers Across the UK Accreditation stated by provider: CIEEM Registered Practice, ISO 9001, ISO 14001, ISO 45001, CHAS, SafeContractor, Achilles, RISQS, Cyber EssentialsOwn websiteUK-wide
Richard Green Ecology
Based in Woodbury Salterton, Devon · Covers South West England and nationwide Accreditation stated by provider: Not statedOwn websiteUK-wide
Sweco UK
Based in Leeds, West Yorkshire · Covers Nationwide Accreditation stated by provider: Not statedOwn websiteUK-wide
The Ecology Partnership
Based in Leatherhead, Surrey · Covers Surrey, the South East, and projects across England Accreditation stated by provider: CIEEM Registered Practice, BREEAM, SSIP Acclaim, CHASOwn websiteUK-wide
Thomson Environmental Consultants
Based in Guildford · Covers UK-wide Accreditation stated by provider: CIEEMOwn websiteUK-wide
Tyrer Ecological Consultants Ltd
Based in Formby, Merseyside · Covers North West and UK-wide Accreditation stated by provider: Not statedOwn websiteUK-wide
Urban Edge Environmental Consulting Ltd
Based in Hassocks, West Sussex · Covers UK-wide; core area across southern England, the Midlands and East Anglia including Norfolk, Suffolk, Essex, Cambridgeshire, Hertfordshire and Bedfordshire Accreditation not yet checkedOwn websiteUK-wide
Wild Frontier Ecology Ltd
Based in Fakenham, Norfolk · Covers East Anglia based; works throughout the UK Accreditation stated by provider: CIEEM Registered PracticeOwn websiteUK-wide
Biodiversity net gain assessment in other regions
London (13) South East (14) East of England (10) South West (18) West Midlands (11) East Midlands (15) Yorkshire and the Humber (14) North West (15) North East (11) Wales (11) Scotland (12)
Getting signed off in Northern Ireland
In Northern Ireland, your district council handles building control. New homes need a full plans application, and the council issues a completion certificate at the end. The technical rules are set out in Technical Booklets rather than Approved Documents.