Regulated by Revenue Service
Nine firms — nearly half of Guernsey's 20 tax practices — all limited companies running personal tax alongside corporate work. Five hold ACA, two ACCA; one is a sole-practitioner CTA. Founded 1994–2016, weighted toward St Peter Port (3) with at least one firm in five parishes. Baker Tilly CI Audit anchors the top end with ~95 Channel Islands staff. —
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St Martin·Professional services·Est. 1995
✦Most experience: 31 years
ICAEW-certified firm of Chartered Accountants in St Martin, specialising in QuickBooks training and on-site accounting services since 1995.
St Sampson·Professional services·Est. 1994
Part of Baker Tilly Channel Islands Limited
✦Largest team: ~95 (across Channel Islands)
GFSC-registered chartered accountancy and audit firm in St Sampson, part of Baker Tilly International.
St Peter Port·Professional services·Est. 2005
AAT Licensed Accountant (Licence No. 634) and GFSC Registered Prescribed Business, offering accountancy, taxation, and business consultancy in St Peter Port.
St Sampson·Professional services·Est. 2014
Professional firm offering accounting, tax, and business consultancy services, specialising in cloud accounting solutions as a Xero Platinum Partner.
St Peter Port·Professional services·Est. 2016
ICAEW-regulated chartered accountancy firm established in 2016, specialising in accounts preparation, cloud bookkeeping, and Guernsey tax compliance for sole traders and individuals.
St Saviour·Professional services
ICAEW-chartered accounting firm offering fixed-fee tax, bookkeeping, payroll, and outsourced finance services.
Vale·Professional services·Est. 2002
Firm of Chartered Accountants established in 2002, offering accountancy and taxation services to individuals and businesses with a transparent fixed-fee billing model.
St Saviour·Professional services
ICAEW chartered accountancy firm in St Saviour, offering accounts preparation, Guernsey taxation, and business planning.
St Peter Port·Professional services
Sole-practitioner chartered accountancy and tax advisory practice run by Tom Birley (ACA, CTA), serving individuals and businesses with Guernsey and UK taxation.
St Pierre du Bois·Est. 2021
ICAEW member firm providing Guernsey tax compliance, financial, and management accounts, registered with the GFSC as a prescribed business.
St Peter Port·Est. 2014
Provider of tax advisory, planning, and compliance services for individuals, sole traders, partnerships, companies, and trusts.