A
- Abertillery Youth Drama and Music Society Abertillery, Blaenau Gwent
- Angles Theatre Wisbech, Cambridgeshire
- Anomaly Productions Malvern, Worcestershire
- ANYTHING THAT MOVES Cambridge, Cambridgeshire
B
- Borealis: A Chamber Choir for the North Wakefield, West Yorkshire
- BrainFools London, Greater London
C
- Cambridge Theatre Company Cambridge, Cambridgeshire
- CAST Theatre Company Colnbrook, Berkshire
- Centre Theatre Players NEW St Ives, Cambridgeshire
- CentreStage, Shifnal Shifnal, Shropshire
- CHYPS Wilmslow, Cheshire
D
- DiploMattOnline Glasgow, North Lanarkshire
- DIXIE'S COMPANY Bristol, Bristol
E
- Ellesmere College Oswestry, Shropshire
- Erith Operatic Society Erith, Kent
F
- Freshblood Leamington Spa, Warwickshire
G
- GADA Studios Gibraltar, Greater London
H
- Hinckley Community Guild Hinckley, Leicestershire
I
- Intruder/Home NEW Cambridge, Cambridgeshire
- IODS Productions Ilford, Essex
J
- JH Productions Belfast, Antrim
- JKG Bruchsal Bruchsal, Tyrone
- JMS Improv Liverpool, Merseyside
K
- Kapa Neath, Neath Port Talbot
- Knutsford Together For Theatre Knutsford, Cheshire
- Kristian Thomas Company; LTD Derby, Nottinghamshire
L
M
- Malvern St James NEW Malvern, Worcestershire
- Most Curious Productions Brighton &hove, East Sussex
- Myddelton Denbigh, Denbighshire
N
- Nothing But Roaring Northampton, Northamptonshire
O
- Oddity Theatre Warminster, Wiltshire
- Offspring Ensemble London, Greater London
P
- Perform Studios Macclesfield, Cheshire
- Poulner Players Ringwood, Hampshire
Q
R
- Rhymes Improv Nottingham, Nottinghamshire
- Rickmansworth Players Rickmansworth, Hertfordshire
- RMTC Rochdale, Greater Manchester
- Rondo Theatre Bath, Somerset
- Rossall Fleetwood, Lancashire
S
- Side by Side Caerphilly, Caerphilly
- Simply Theatre Godalming, Surrey
- Southsea Shakespeare Actors Portsmouth, Hampshire
- St Dunstan's College London, Greater London
- St Giles Theatre Group Elgin, Moray
- St James' Players Preston, Lancashire
- St Marys High School Midleton, Co. Cork, Down
- Stageskool theatre arts ltd Derbyshire/hampshire, Derbyshire
- STAMP Studio South Shields, Tyne & Wear
- Star-Struck Theatre Company Wolverhampton, West Midlands
- Star-Struck Theatre Company Wolverhampton, West Midlands
- Staten-Generaal Leiden, Wrexham
- StefanBenedikt Reykjavik, Buckinghamshire
- Stickman Productions Southampton, Hampshire
- Stone production Nocera Superiore, Essex
T
- Taxi Man Productions London, Greater London
- Teesdale Operatic Society Barnard Castle, County Durham
- The ESNA Players Loughborough, Leicestershire
- The Wither's Wing Theatre NEW Minecraft, Hertfordshire
- The Young Theatre Bourne End, Buckinghamshire
- Theatre SSL Productions Redditch, Worcestershire
- Tinkers Farm Opera Birmingham, West Midlands
- Together for Theatre Productions NEW Northwich, Cheshire
U
V
W
- Warts and All Theatre Northampton, Northamptonshire
- WhimsiCo Bath, Somerset
- Wimbledon Light Opera Society Wimbledon, Greater London
- Wise Ram Theatre Colchester, Essex
- WOPA Oxford, Oxfordshire