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Principal Consultant and Managing Director



Jonathan Cocking

FRES PDipArb(RFS) FArborA CBiol MSB MICFor MIEEM

Jonathan is a Registered Consultant and Fellow of the Arboricultural Association and sits on its Professional Committee. He has 31 years experience in the arboricultural profession and served for eight years as Senior Arboriculturist with a large local authority before establishing JCA in 1997. He has since developed JCA's portfolio of services and its extensive client base. Jonathan is a Chartered Biologist, a Chartered Arboriculturalist and an Expert Witness with much experience of litigation work.

Technical Coordinator



Toby Thwaites

BSc (Hons) HND Arboriculture

Toby joined JCA in 1998 after graduating in Ecology at the University of Huddersfield and has since graduated in Arboriculture at the University of Lancashire. A former JCA team leader and Consulting Arboriculturist, Toby was promoted to Technical Coordinator and now oversees all office and on-site activities at JCA and is on hand to offer technical support and advice.

Consulting Staff



Andrew Bagshaw

FdSc Arb. TechArborA

Andrew joined JCA in 2005 having gained several years experience in tree surgery and landscaping. He is trained in aerial rescue and is JCA's principal first aid person. He is currently working towards a degree in Arboriculture at the University of Lancashire.

Andrew Bussey

Andrew joined JCA having spent 12 years doing tree surgery for various private companies and a Local Authority. He has various NPTC qualifications, is QTRA qualified and is currently studying for his Arboricultural Technicians Certificate.

Toby Parsons

Tech.Arbor.A

Toby joined JCA in 2008 after spending 6 years working as a senior climber for various Arboricultural contractors in the East Midlands and the South-West. He recently gained the Level 3 Technicians Certificate in Arboriculture, is QTRA qualified and is a member of the Arboricultural Association at technicians level.

Scott Reid

ND (Arboriculture and Forestry)

Scott joined JCA after working with other consultancy companies in the south of England. He specializes in trees in relation to development and holds a National Diploma, various NPTC qualifications and is currently studying for his Level 4 Diploma in Arboriculture.

Gavin Proud

BSc. (Hons) NC (Arboriculture)

Gavin recently joined JCA having spent 8 years working for various tree work contractors as a climber and team leader. In addition to his qualification in Arboriculture, Gavin has various NPTC qualifications and is LANTRA certified in Professional Tree Inspection.

Flora Harding

BSc. (Hons) Fd.BSc. (Arboriculture and Tree Care)

Flora has a degree in Rural Resource Development (specialising in Wildlife and Landscape Conservation). She spent her former career working for a local authority and has a licence for QTRA. In 2012, Flora published an article to enable industry based research for the purpose of gaining Chartered Arboriculturist status.

Kieran Shaw

BSc (Hons) GradIEEM

Kieran is JCA Limited’s in-house Ecologist having joined the company after achieving a degree in Geography from the University of Aberdeen. Prior to joining JCA, Kieran worked for the Yorkshire Wildlife Trust, is a member of the Institute of Ecology and Environmental Management (IEEM) and West Yorkshire Bat Group. He is currently studying for a Masters degree in Earth Science and has undertaken research in Greenland, Scotland and throughout Europe.

Victoria Black

FD Arboriculture

Victoria has been with JCA since 2002 building her knowledge of the Arboricultural business, and has recently attained her foundation degree in Arboriculture at the University of Lancashire.

Raphael Skerratt

BSc Forestry FArborA

Raphael covers the London area for JCA. He ran his own Arboricultural businesses since 1972 and is experienced in tree surveys for development, safety and subsidence purposes, and is an Expert Witness.

Graham King

Dip Arb (RFS) FArborA MRAC

Graham covers the Midlands for JCA. He ran his own arboricultural business from 1980 before gaining his Diploma in 1992 and is a Fellow of the Arboricultural Association.

Simona Ferutta

MSc Forestry and Environmental Sciences

Simona achieved her Msc in Forestry and Environmental Sciences at the University of Turin, Italy in 1996. She has recently joined JCA after several years in forest, crops and tree care in Italy as a professional.

Administrative Staff



Catherine Cocking

, Accounts Manager

Susan Guest

, Administrative Team Leader

Yasmin Shahzad

, Administrative Assistant

Sally Whitwam

, BA (Hons), Administrative Assistant & Marketing

Liz Bone

, Administrative Assistant

Simeon Haigh

BSc (Hons), IT Officer

Sergio Alabau

, Intern