Curve 21 was created and founded in Cumbria by Jonathan Cansdale in 2025. Jonathan has 28 years of experience developing private gardens and parklands in Cheshire, Oxfordshire and Yorkshire. Jonathan is a Chartered Horticulturist, holds the Technician grade membership with The Arboricultural Association, he is an RHS Master of Horticulture, a member of the Professional Garden Consultants Association and the Cumbria Chamber of Commerce.