United Kingdom

1,937 plants, exporters and sites on record across 93 regions, grouped by the region each register publishes. Regional names are as the register writes them and are not translated.

Region	On record	Localities
England	394	40
Scotland	368	17
North East Lincolnshire	105	1
Cornwall	91	1
Highland	82	—
Argyll and Bute	79	—
Norfolk	74	1
Essex	68	1
Devon	61	2
Lancashire	35	1
Lincolnshire	34	1
Cumbria	28	1
Kent	25	1
East Riding of Yorkshire	24	1
Dumfries and Galloway	20	—
Poole	20	1
Dorset	19	1
Jersey	19	1
North Yorkshire	19	1
South Ayrshire	18	—
Suffolk	18	1
United Kingdom	18	6
West Sussex	18	1
Hampshire	16	1
Torbay	16	1
Southend-on-Sea	15	1
Wales	15	4
Carmarthenshire	14	1
Gwynedd	14	1
Isle of Anglesey	13	1
Pembrokeshire	12	1
Surrey	10	1
East Sussex	9	1
Wiltshire	8	1
East Lothian	7	—
Hertfordshire	7	1
Southampton	7	1
Conwy	6	1
Flintshire	6	1
Isle of Man	5	1
North Lanarkshire	5	—
Northumberland	5	1
Oxfordshire	5	1
Scottish Borders	5	—
Staffordshire	5	1
Brighton and Hove	4	1
Ceredigion	4	1
Luton	4	1
North Ayrshire	4	—
Worcestershire	4	1
Bournemouth	3	1
Central Bedfordshire	3	1
City of Edinburgh	3	—
City of London	3	1
Isle of Wight	3	1
Leicestershire	3	1
Northamptonshire	3	1
Renfrewshire	3	—
South Lanarkshire	3	—
Warrington	3	1
Buckinghamshire	2	1
Falkirk	2	—
Hartlepool	2	1
Herefordshire	2	1
Medway	2	1
Milton Keynes	2	1
Redcar and Cleveland	2	1
Rhondda Cynon Taf	2	1
Swansea	2	1
Torfaen	2	1
Wrexham	2	1
York	2	1
Bedford	1	1
Blaenau Gwent	1	1
Bracknell Forest	1	1
Bridgend	1	1
Caerphilly	1	1
Cardiff	1	1
Cheshire East	1	1
Cornwall and Isles of Scilly, United Kingdom	1	1
County Durham	1	1
Neath Port Talbot	1	1
Newry & Mourne, United Kingdom	1	—
North Lincolnshire	1	1
North Yorkshire, United Kingdom	1	1
Powys	1	1
Reading	1	1
Rutland	1	1
Slough	1	1
Stockton-on-Tees	1	1
Warwickshire	1	1
West Berkshire	1	1
West Yorkshire	1	1