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Island Graph/All niches

Professional Services

268 active businesses44 niches across 16 sectors

Two hundred and twenty-one firms across sixteen sub-sectors. IT leads with 37, then 31 accountants, 29 architects and surveyors, 29 business consultants (all four Big Four here), and 27 legal firms including the offshore magic-circle offices. St Peter Port carries 122 of the 221. —

Founded between 1250 and 2025

190 of 268 have a recorded year
1250130013501400145015001550160016501700175018001850190019502000
  • IT & Technology36
  • Business Consultants28
  • Architects & Surveyors22
  • Legal Services17
  • Accountants & Bookkeepers16
  • Estate Agents16
  • Other (9)50

Where they're based

258 of 268 in Guernsey
St Peter Port154
St Sampson21
St Martin20
18
14
7
15
9

258 in Guernsey · 10 on Alderney

Accreditations & memberships

151 of 268 hold ≥1
  • Guernsey Chamber of Commerce58
  • RICS Regulated18
  • MRICS14
  • Guernsey Finance13
  • ACA12
  • ACCA11
  • Advocate Royal Court10
  • ICAEW9

↓ and 47 more accreditations carried across the sector.

IT & Technology

50
12 niches

Thirty-seven of Guernsey's 221 professional-services firms work in IT — six Microsoft Partners, one Cisco Gold among them.

Business Consultants

39
Compare

Twenty-nine consultancies — all four Big Four firms here, weighted toward compliance, risk, and governance advisory.

Accountants & Bookkeepers

35
Compare

Thirty-one firms — 26 limited companies, nearly half trading from St Peter Port — founded between 1900 and 2019.

Architects & Surveyors

33
3 niches

Twenty-nine practices — sixteen in St Peter Port, thirteen RICS-regulated, and one structural-and-civil engineering outlier.

Legal Services

32
11 niches

Twenty-seven firms, 24 in St Peter Port — offshore magic-circle practices alongside family, criminal, and mediation specialists.

Marketing & Design

24
Compare

Seventeen marketing and design firms — web-and-digital heavy (15 of 17), St Peter Port-clustered, mostly serving SMEs.

Tax Services

23
4 niches

Twenty firms — 17 limited companies, 12 in St Peter Port — weighted toward SME compliance, with Big Four offices alongside sole traders.

Estate Agents

20
Compare

Nineteen agencies — residential sales and lettings near-universal, nine adding commercial work, two based in Alderney.

Recruitment

17
3 niches

Fifteen agencies, twelve in St Peter Port — finance recruitment runs through nearly all of them, alongside temporary staffing.

Training & Coaching

11
Compare

Nine of 226 professional services train or coach — split between accredited qualification pathways and ILM-based coaching practices.

Company Formation

8
Compare

Four firms — all in St Peter Port. Three GFSC-licensed corporate services outfits and EasyCo's 'company in a box' package.

Environmental Consultants

8
Compare

Eight firms — three engineering practices founded 1981–1984, plus single-discipline specialists in trees, ecology, marine, and IT waste.

Funeral Directors

6
Featured

Six operators — Beckfords (1875), two 1942 foundings (Argent, Noyon's), Martels (1974), a parish committee, and Alderney's Sebire.

Health & Safety

4
Featured

Four on the island — two H&S consultancies (Normandie, 1995; CopCoy, 2009), the States regulator HSE, and a water-hygiene specialist.

Translation & Interpretation

2
Stub

Business Brokers

1
Stub

Other businesses in this category5

Tagged in Professional Services but not in one of the sectors above.

  • Archivist
    Document management; secure storage, shredding, and scanning services
  • Create Chartered Architects
    Chartered architects & surveyors: design, access audits, historic structures.
  • Eclipse Computer Technologies
    IT services firm — enterprise database and web application development
  • Paul Vaudin & Associates (Architectural Services)
    Multi-disciplinary architectural practice established 1980; cost-effective
  • Soup Architects
    Award-winning architects; residential, heritage, and commercial projects.