Services for O
- Oak Tree School (independent specialist provision)
- Oakwood Specialist College
- Oasis Childcare Centre - After School Club
- Oasis Childcare Centre Ludgvan - Day Nursery
- Oasis Childcare Centre-Breakfast Club
- Oasis Childcare Centre-Holiday Scheme
- Ocean Hill Lodge Residential Care Home
- Ocean Housing
- The Office
- Office of the Public Guardian
- OFSTED
- The Old Manor House
- The Old Roselyon Domicilary Care Agency
- The Old Roselyon Manor Nursing Home
- Old Vicarage Care Home
- Once Upon A Time Breakfast Club
- One Nine Five
- One to One Mentoring
- Online Childminder Registration Course
- Online Eco Nurture Group for Young Women
- Online Learning College
- Online Reference Library
- Ontrack Intervention Services
- Open Door Training and Day Care Centre
- Open House Tuesdays @ Whole Again Communities - Penzance
- Options Group
- Options Kernow
- Order the Contraceptive Pill Online 18+
- OTIS Group - Support Group for Carers in Camborne
- Otterham Community Primary School
- Our House
- Out to Play in Cornwall
- The Outdoor Project - St Austell
- Outdoor Swimming Sessions - Hayle
- Outlook South West
- Outside Tribe
- Overeaters Anonymous - Camborne Group