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Island Graph/All niches/Professional Services

Business Consultants

33 active businessesCompare

Thirty-three firms, twenty-two in St Peter Port. All four Big Four have offices here — PwC (1923), EY, KPMG, Deloitte — alongside BDO (trading since 1900 as G.N. Read, Son & Cocke) and Baker Tilly. Specialisation weighted toward advisory (13), risk management (12), and compliance advisory (11); 27 limited companies, 3 LLPs, 2 partnerships. —

Founded between 1900 and 2023

15 of 33 have a recorded year
190019251950197520002025
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BDO Limited

St Peter Port·Professional services

Part of BDO International

✦Oldest in this niche

126-year heritage (1900)

GFSCBDOBusinesses of all sizesIndividual clientsEntrepreneursMid tier network

Accountancy and advisory firm offering audit, assurance, business services, corporate finance, and tax services, supporting businesses for over 125 years in St Peter Port.

Phone+441481724561
Webbdo.gg
Emailenquiries@bdo.gg

KPMG in the Crown Dependencies

St Peter Port·Professional services

GFSCKPMGCorporatesBig four advisoryInvestment fundNetwork member firm

Professional services firm offering Audit, Tax, and Advisory services across Guernsey, Jersey, and the Isle of Man, registered with the GFSC as a Prescribed Business in St Peter Port.

Phone+441481721000
Webkpmg.com/dp/en/home.html
Emailcrowndependencies@kpmg.com

Baker Tilly CI Audit Limited

St Sampson·Professional services·Est. 1994

Part of Baker Tilly Channel Islands Limited

GFSCICAEWBaker tillyBaker Tilly InternationalMid tier networkInternational corporatesInvestment fund

Firm of chartered accountants and tax and business advisers, registered with the ICAEW and recognised as auditors in Jersey and Guernsey.

Phone+441481245244
Webbakertilly.je
Emailmail@bakertilly.je

Bridgewater Limited

St Peter Port·Professional services·Est. 2005

GFSCAATCorporate businessesPartnershipsTrustsCorporatesPrivate client

Professional firm established in 2005, offering accountancy, taxation, and consultancy services to corporate businesses, partnerships, individuals, and trusts.

Phone+441481722221
Webwww.bridgewater.co.gg
Emailadmin@bridgewater.co.gg

DNA Ltd

St Sampson·Professional services

ACCAICAEWIrisXeroPrivate individualsIndependent advisoryBusinesses

Chartered accountancy, tax, and consultancy firm and a Xero Platinum Partner with over 30 years of SME accounting experience in St Sampson.

Phone+441481254748
Webdna.gg
Emailhello@dna.gg

Ernst & Young LLP

St Peter Port·Professional services

GFSCICAEWBusiness owning familiesPrivate capital investorsInternational corporatesBig four advisoryHigh net worth individuals

Big Four professional services firm providing assurance, consulting, tax, and transactions services from its St Peter Port office.

Phone+441481717400
Webey.com
Emaileychannelislands@uk.ey.com

Evans Bond Limited

St Martin·Professional services

GFSCACCAFamily office principalPrivate clientHigh net worth individualsPrivate individualsIndependent advisory

Authorised by the GFSC and offers accounts preparation, tax returns, bookkeeping, invoicing, and virtual CFO services in St Martin.

Phone+441481710899
Webevansbond.com
Emailcontact@evansbond.com

The Bottom Line

St Peter Port·Professional services

ACCAICAEWXeroIndependent advisoryBusinessesSmes

ACCA member firm offering accounting, tax, cloud accounting, outsourcing, and business advisory services, associated with MWB Consultants Limited in St Peter Port.

Phone+441481711099
Webasgill4.wixsite.com/thebottomline
Emailadmin@tbl.co.gg

Aspida Group Limited

St Peter Port·Professional services·Est. 2001

MaltaBoutique complianceCharityBailiwick-wideIndependent advisory

Professional service established in 2001, specialising in advisory, regulatory compliance, corporate governance, and risk management in St Peter Port.

Phone+441481812400
Webaspidagroup.com
Emailinfo@aspidagroup.com

Aspida Management Services Limited

St Peter Port·Est. 2001

Part of Aspida Group Limited

Captive consultancy armCorporate clientMaltaBoutique complianceCharity

Compliance, risk management, and business advisory firm founded in 2001, providing regulatory compliance support and strengthening governance arrangements in St Peter Port.

Phone+441481812400
Webaspidagroup.com
Emailinfo@aspidagroup.com

PwC Channel Islands

St Peter Port·Professional services

Part of PwC (PricewaterhouseCoopers International Limited)

✦Largest team: 501-1,000 (Channel Islands)

GFSCPwcBig four advisoryInvestment fundHigh net worth individualsNetwork member firm

Professional services firm offering audit, assurance, bookkeeping, accounting, tax, and advisory services to various industries in St Peter Port.

Phone+441481752000
Webpwc.com/jg/en.html

Horsepool Consulting Limited

St Peter Port·Professional services

IndependentEntrepreneursBusinessesSmesRegulated business

Professional firm providing regulatory support to financial services businesses, specialising in compliance and Anti-Money Laundering (AML) requirements set by the GFSC in St Peter Port.

Phone+441481740458
Webhorsepool.gg
Emailhello@horsepool.gg

Redwood Group

St Peter Port·Professional services·Est. 2016

GFSCBelgiumCompanyFundsInternational groupIreland

Compliance and governance specialist, founded in 2016, providing outsourced compliance, AML, corporate services, and HR services from offices in Guernsey, Jersey, and Ireland.

Phone+441481701950
Webredwoodgrouplimited.com
Emailcontactus@redwoodgrouplimited.com

Asset Risk Consultants Ltd

St Peter Port·Professional services

Part of ARC Group Limited

GFSCTrusteesWealth advisersCharityHigh net worth individualsPrivate individuals

Professional firm offering independent investment advice, due diligence, investment oversight, and risk management in St Peter Port.

Phone+441481817777
Webassetrisk.com
Emailinfo@assetrisk.com

Lilley & Co. Ltd

St Pierre du Bois·Professional services

Part of LMJ Group

ICAEWFreeagentQuickbooksSageIrisXero

Accountant and bookkeeper certified for Xero, Quickbooks, Sage, and FreeAgent, offering outsourced finance solutions in St Pierre du Bois.

Phone+441481700582
Weblilleyandco.gg
Emailenquiries@lilleyandco.net

ThreeSixty

St Martin·Professional services·Est. 2023

Ex regulator consultancyBoutique consultancyRegulated advisorySmesRegulated business

Compliance firm co-founded in October 2023, specialising in regulation, compliance, and governance, offering solutions including AML/CFT/CPF Board and Senior management training in St Martin.

Phone+447781163727
Webthreesixty.gg
Emailenquiries@threesixty.gg

East Harbour Associates Limited

St Peter Port·Professional services

International corporatesBailiwick-wideIndependent advisoryBusinessesSmes

Multidisciplinary group delivering solutions focused on growth, compliance, and security, specialising in AML, CDD, KYC, and cyber security.

Phone+441481712826
Webeast-harbour.com
Emailinfo@east-harbour.com

North Sound Advisors

St Andrew

Abu Dhabi ADGMBVICaymanCrypto and Web3 clientsDubai DIFC

Consultancy providing senior Independent and Non-Executive Directors and interim C-suite roles, specialising in cross-border investigations and enforcement.

Phone+447839284610
Webwww.northsoundadvisors.com

Focus HR Solutions

St Peter Port·Professional services·Est. 2007

Part of Focus Group

Boutique consultancyBailiwick-wideBusinessesSmes

Breathe Gold Partner providing outsourced human resources and payroll services, coaching, and training in the Channel Islands.

Phone+441481728824
Webfocushrs.com
Emailadmin@focushrs.com

Deloitte LLP

St Peter Port·Professional services

DeloitteBig four advisoryNetwork member firmBusinesses

Big Four professional services firm delivering audit, assurance, tax, financial advisory, and consulting services to businesses in St Peter Port and beyond.

Phone+441481724011
Webdeloitte.com/uk/en/what-we-do/regions/guernsey.html
Emailguernsey@deloitte.co.uk

Premier Compliance

St Peter Port·Professional services

Boutique complianceIndependent advisorySmesRegulated business

Independent compliance specialist offering bespoke services from risk assessments and monitoring to named roles and project support in St Peter Port.

Phone+447781100246
Webpremiercompliance.gg
Emailinfo@premiercompliance.gg

Prosperity 24/7

St Peter Port·Est. 2011

CSPChannel Islands

Business and technology consultancy established in 2011, specialising in effective change through services including business strategy, data analysis, and software development.

Phone+441481700247

Advisory Services Group Limited

St Peter Port·Professional services

GFSC

Provider of compliance, risk management, regulatory, company secretarial, corporate governance, and training services in the Channel Islands.

Phone+447781127922
Webadvisoryservices.gg
Emailmel@advisoryservices.gg

Channel Islands Data Service Ltd

St Peter Port

AlderneySark and the Isle of ManJersey

Consultancy in credit control, credit scorecard development, statistical analysis, and EU GDPR matters, also offering debt collection, track and trace, and investigation services.

Phone+441481713050
Webwww.offshorecreditcheck.com
Emailadmin@offshorecreditcheck.com

ONYX Solutions Limited

St Sampson·Professional services

Regulated advisoryBailiwick-wideRegulated business

Professional firm offering outsourced compliance services, independent compliance audits, and software solutions like ONYXTrack® in St Sampson.

Phone+447781146626
Webonyxcompliance.gg
Emailcontact@onyxsolutions.gg

Triangle Compliance Services

Alderney

Charities and NPOsNon-regulated businessesPrescribed businesses

Alderney consultancy offering anti-money laundering and countering the financing of terrorism (AML/CFT) solutions, led by a practising solicitor.

Phone+447781432424
Emaildawntindall@gmail.com

Digital Greenhouse

St Peter Port·Est. 2016

Part of States of Guernsey

States-owned

States of Guernsey initiative established in 2016 to foster the growth of the island's digital and creative sectors, offering co-working spaces and startup support.

Phone+441481701010
Webdigitalgreenhouse.gg
Emailinfo@digitalgreenhouse.gg

Maroon Consulting

Vale

High-stakes programmes

Data-informed business change consultant specialising in high-risk projects and complex transformation programmes, working with senior leaders in government and financial services.

Phone+447781444323
Webwww.maroonconsult.com
Emailhello@maroonconsult.com

Midshore Consulting Limited

St Sampson·Est. 2016

Consultancy offering regulatory training and outsourced Compliance Officer, Money Laundering Reporting Officer, and Data Protection Officer services.

Phone+441481730733
Webwww.midshoreconsulting.com
Emailenquiries@midshoreconsulting.com

Clive and Associates Limited

St Peter Port·Est. 2012

Business advisory and consulting services company with operations in Guernsey and Harare, Zimbabwe, registered with the GFSC as a Prescribed Business - Accountant.

Phone+447911723883
Webwww.cliveandassociates.com

CBO Projects

St Peter Port

APM Corporate Partner providing project services, business analysis and independent assurance, with Ed Mason-Smith holding Chartered Project Professional status.

Phone+441481729161
Webwww.cboprojects.com
Emailcoffee@cboprojects.com

Cybernetic Controls

Castel

Consultancy that helps regulated financial institutions adopt AI safely and securely, implementing AI governance frameworks and managing AI risk aligned with the EU AI Act and ISO 42001.

Phone+441481248223
Webwww.cybernetic-controls.com
Emailinfo@cybernetic-controls.com

UN1TY

St Peter Port

Consultancy offering fractional advisory and implementation in Technology, Marketing, Sustainability, and Project, including Carbon Literacy Training and Energy Performance Certificates.

Phone+447781144144
Webwww.un1ty.gg
Emailinfo@un1ty.gg

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