Eight firms — six RICS-regulated, three pure quantity surveyors; the rest dual-discipline with architecture or building surveying. Five in St Peter Port, two in St Martin, one in Forest. The oldest, Lovell Ozanne (1958), designed Plaza House — Guernsey's first BREEAM-rated building; the newest, BTP, opened 2015. —
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St Martin·Professional Service·Est. 1958
✦Most experience: 60+ years
Award-winning chartered architectural and surveying practice established in 1958, serving private and commercial clients across the Channel Islands.
St Peter Port·Professional Service
Part of WT Partnership (international consultancy with offices across UK, Europe and beyond)
✦Active since 1965
RICS Regulated Firm and Chartered Quantity Surveying practice, established in 1965 as the largest and longest established in Guernsey.
St Peter Port·Professional Service·Est. 1988
Chartered building surveying and architectural practice serving residential and commercial clients across the Channel Islands.
St Peter Port·Professional Service·Est. 2015
RICS-regulated chartered building surveying and project management practice in St Peter Port.
Forest·Professional Service·Est. 2014
RICS Regulated Firm established in 2014, specialising in quantity surveying, project management, and contract administration in Forest.
St Peter Port·Professional Service
RICS Regulated Firm specialising in chartered quantity surveying for residential customers and commercial contracts.
St Peter Port·Professional Service·Est. 2009
Jason Powers Consultants Limited (JPCL) is a construction and property consultancy in St Peter Port, offering project management, quantity surveying, and development consultancy.
St Martin·Service
Guernsey construction and consulting firm offering project delivery, strategic support, fleet optimisation, and ESG initiatives.