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Dorey, Lyle & Ashman Ltd

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St Peter Port·Professional Service

Standout

Active since 1971

Story

Founded in 1971 as 'Dorey & Lyle' by Conrad Dorey and Eric Lyle. First locally based firm of Consulting Engineers in Guernsey. Celebrated 50 years in business in 2022.

Dorey, Lyle & Ashman Ltd, trading as DLA, is a St Peter Port structural and civil engineering consultancy founded in 1971 by Conrad Dorey and Eric Lyle — the first locally-based consulting engineering firm in Guernsey. With 11 engineers, the company delivers structural and civil design, foundation design, geotechnical engineering, external works, and drainage schemes for commercial, residential, government, heritage, and industrial clients, with directors holding membership of the Institution of Structural Engineers (IStructE) and the Association of Consulting Engineers (ACE). —

Specialises in2

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

Quick facts

Legal form
Limited Company
Established
1971 · 55 years
Industries served
Heritage, Government, Commercial, Residential, Industrial
Client focus
Homeowner Residential, Smes

People3

  • Adrian Ashman — Consultant, BSc CEng MIStructE FConsE
  • Andrew Madden — Director, BEng CEng MIStructE
  • Mike Ashman — Director, BEng CEng MIStructE
    Industry Professional of the Year, Guernsey Property & Construction Awards 2025

From their website

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

  • External works

Credentials

Memberships & accreditations

  • Guernsey Chamber Of Commerce

Certifications

  • Association of Consulting Engineers (ACE)
  • Institution of Structural Engineers (IStructE)

Contact

Phone
+44 1481 258123
Email
home@dla.gg
Website
dla.gg
Social
Address
Regent Court, Rouge Rue, St Peter Port, Guernsey GY1 1ZA

History1

Key dates and recorded company events for Dorey, Lyle & Ashman Ltd.

  • 2022—Celebrated 50 years in business

Location

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