Other
- Alliance Homes
- Air Training Corps (Portishead Squadron)
- Army Cadet Force - Portishead Platoon
- Avon and Somerset Police
- Avon Wildlife Trust
- Cafe Mamma
- Children's Hospice South West
- Counselling Directory
- Cruse Bereavement Counselling
- Disability Information Service
- Gordano Footpath Group
- Gordano Society
- Gordano Valley Church
- Health Watch North Somerset
- Improvement and Development Agency for local government
- Next Door
- North Somerset Council
- North Somerset Fibromyalgia Support Group
- Parkinsons Support
- Partners and Communities Together (PACT)
- Portishead and Bristol Lifeboat
- Portishead Chamber of Commerce
- Portishead Choral Society
- Portishead In Bloom
- Portishead InterCultural Network - PIN
- Portishead in Pride
- Portishead Lifeboat Trust
- Portishead Lions
- Portishead Players
- Practically Perfect Mums
- Rotary Club of Portishead
- Royal British Legion
- Royal Voluntary Service
- Severn Estuary Partnership
- Transition Portishead