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Rihoy & Son

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St Sampson

Standout

1924 centenary firm

Family-owned across four generations

Story

Founded by John William (Jack) Rihoy at age 20, initially building and maintaining greenhouses for Guernsey's horticulture industry. After WWII evacuation, diversified into general construction. Son John built first carpentry workshop at Ville Baudu, Vale.

Founded in 1924 by John William (Jack) Rihoy, initially building greenhouses for horticulture. Diversified post-WWII, incorporated as JW Rihoy & Son Ltd in 1957, relocated to Sandy Hook L'Islet in 1958. Extended Guernsey Airport in 1978. Now third-generation family business with Gavin and Jeremy Rihoy. Celebrated centenary in 2024.

Rihoy & Son is a building contractor experienced in traditional and design and build contracts, from renovations and private homes to commercial and industrial projects. The firm was established in 1924 by John William Rihoy, initially building and maintaining glasshouses for the horticulture industry. Rihoy & Son became the Channel Islands' first Chartered Building Company in 2001. The business provides services including design and build, sympathetic renovations, new housing, domestic extensions, and commercial fit-outs. —

This profile was assembled by software from the sources cited on this page. If something here is wrong, email hello@island.gg — corrections are made to the record.

Specialises in6

Each capability links to every business in the Bailiwick that shares it.

Carpentry & joinery (general)

General carpentry and joinery work.

From their website

Bespoke joinery (inferred from the source page) · In-house joinery workshop (stairs, doors, windows, gates) (inferred from the source page)

Quick facts

Tagline
Let's build together
Legal form
Limited Company
Established
1924 · 102 years
Facilities
Accessible Parking, Accessible Entrance
Industries served
Commercial, Hotel And Hospitality (inferred from the source page), Public Sector (inferred from the source page), Residential, Industrial, Social Housing, Retail And Offices

From their website

Original phrasing from their website — lines covered by a capability above appear within its card.

  • Construction
  • Insurance damage rectification
  • Commercial fit-outs (inferred from the source page)
  • In-house plant and transport division (inferred from the source page)

Credentials

Qualifications

  • Chartered Building Company

Certifications

  • Chartered Building Company (Channel Islands' first, since 2001)

Track record

  • Guernsey Airport expansion (1978) (inferred from the source page)
  • Princess Elizabeth Hospital modernisation (inferred from the source page)
  • Vraic restaurant (Michelin Star 2026) (inferred from the source page)
  • Cobo Sands residential development (inferred from the source page)
  • Candie Gardens Greenhouse restoration (inferred from the source page)
  • Pan Britannic Industries headquarters (inferred from the source page)
  • Kings Club health centre (inferred from the source page)
  • States of Guernsey housing estates (inferred from the source page)

Hours

Mon
8:00 AM – 5:00 PM
Tue
8:00 AM – 5:00 PM
Wed
8:00 AM – 5:00 PM
Thu
8:00 AM – 5:00 PM
Fri
8:00 AM – 5:00 PM
Sat
Closed
Sun
Closed

Last checked 13 May 2026·Google Business Profile

Contact

Phone
+44 1481 245904
Email
mail@rihoy.com
Website
rihoy.com
Social
Address
Pine Trees, Sandy Hook, L'Islet, St Sampson, Guernsey GY2 4EU

History2

Key dates and recorded company events for Rihoy & Son.

  • 1958—Relocated to Sandy Hook L'Islet
  • 2024—Celebrated centenary

Location

Directions ↗

Compiled from public sources — mistakes are possible. If something here looks wrong, let us know.

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