The investment will help the Scottish tech pioneers expand their care matching technology across the UK and grow the existing team from 20 employees to 100 by the year 2020.
Care Sourcer is the first UK comparison and matching site for older people care. It allows customers to receive three offers from care providers who have immediate availability.
The service can be used by private individuals, GPs, social workers, or anyone else who needs to find care for an older person.
According to Crunchbase, the £8.5m investment represents the largest Series A funding round secured by a Scottish digital tech company.