Our Team

Clair McDonald

BSc Landscape Design, BA Heritage Studies, MA Historic House Studies

Historic Landscape Consultant

Clair is a historic landscape consultant with over fifteen years’ experience. She has a diverse portfolio having worked as a landscape architect in both the public and private sectors across Ireland.  Clair holds a BSc in Landscape Design, a BA in Heritage Studies and an MA in Historic House Studies.  She has authored The eighteenth-century landscape of Stradbally Hall, Co Laois (Four Courts Press, 2017) and is currently conducting PhD researchwith Dublin City University focussed on historic landscapes, societies and archives of Ballykilcavan and Stradbally Hall landed estates in County Laois. Clairspecialises in: historic and designed landscape assessment, management and restoration; landscape design; and landscape character and visual impact assessments, having completed a number of such projects with ACP. 

David Humphreys

BAgrSc(Landscape), MSc, PGDipBAdmin(Project Mgmt), DipBldgCons(RICS), CMLI, MILI, MAPM, MIPM, IHBC, MRICS, MSCSI, C.Build.E., FCABE.

Group Director

Simon Collins

C Build E, MCABE

Business Director of North America

Martin English

BSc (Hons) Building Surveying, BSc Management, C Build E, MCABE

Director of Building Surveying

Richard Davies

Dip.Arch.(Hons.), RIBA, ARB, AABC, FRSA

Historic Building Consultant (Associate)

Seamus Humphreys

B.Eng.(Hons), MIEI

Senior Conservation Engineer & Project Manager

Kate McCormack

Bachelor of Architecture

Historic Building Consultant

Denis O'Malley

B.E., Eur.Ing., C.Eng., M.I.E.I

Senior Conservation Engineer

Frank Coyne

BA, H. Dip in Ed., MIAI

Director of Archaeology and Research

Sheena Ryan

BA(Hons)Fine Art

Historic Interior Consultant

Mike Dawson

H.Dip Product Design

Historic Interior Decoration Consultant

John Bradley


Senior Heritage Planning Consultant