Groups, choirs, orchestras and ensembles beginning G
- Gabrieli Consort and Players
- Galliard Ensemble
- Galliard Wind Ensemble
- Gallimaufry Ensemble
- Garforth Brass
- Garforth Jubilee
- Gatley and District Choral Society
- Gaudeamus
- Gaudier Ensemble
- Gemini
- Gentlemen of the Choir
- Georgian Baroque
- Gewandhaus Orchestra
- Gildenburgh Choir
- Glasgow Cathedral Choral Society
- Glasgow Chamber Orchestra
- Glasgow Lyric Choir
- Glasgow Sinfonia
- Glasgow Youth Choir
- Glastonbury Cantilena
- Glevum Consort
- Gloucester Choral Society
- Gloucester Excelsior Band
- GoldBones
- Goldsmith Choral Union
- Goldsmiths Chamber Choir
- Goldsmiths Chorus
- Goldsmiths Contemporary Music Ensemble
- Goldsmiths PM Group
- Goldsmiths Sinfonia
- Goldsmiths Wind Band
- Gotherington Primary School choir
- Gould Piano Trio
- Graffin Quartet
- Grampian Concert Orchestra
- Grantham Choral Society
- Greenwich Park Opera
- Grimethorpe Colliery Band
- Grimsby Concert Society
- Grimsby Philharmonic Society
- Grosvenor Chapel Choir
- Grosvenor Chorale
- Guest Singers
- Guildford Camerata
- Guildford Cathedral Choir
- Guildford Chamber Choir
- Guildford Choral Society
- Guildford Philharmonic Brass
- Guildford Philharmonic Chamber Orchestra
- Guildford Philharmonic Orchestra
- Guildford Philharmonic Quartet
- Guildford Symphony Orchestra
- Guiseley Music Centre Concert Band