|Organization||Gailforce Management Ltd.|
Colson initially worked as personal assistant to the record producer, Shel Talmy, then joined Tony Stratton-Smith at Charisma Records, as label manager and joint managing director. She left to form her own company in the late 1970s.
She sat on the advisory board of MMF, the "Music Managers Forum".
Hammill has stated that:
Gail and I never had a contract. Everything has been on the basis of trust
- Perrone, Pierre. "Market Leaders Pick Their Market Leader: Who's the manager on top of the rock? - Business - News - The Independent". The Independent. Retrieved 5 July 2015.
- Adams, Chris. "Strat". Retrieved 5 July 2015.
- Hammill, Peter (31 December 2011). "Gail leaves the building". Sofa Sound. Retrieved 5 July 2015.