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.


Noel Taaffe


Managing Director (Singapore)

Simon Collins

C Build E, MCABE

North American Region Director

Nancy O'Keeffe

B.Sc. (Hons) Architecture (Int), C Build E, MCABE

Conservation Architectural Consultant

Martin English

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

Building Surveyor, Historic Building Fabric Specialist

Richard Davies

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

Conservation Architect

Seamus Humphreys

B.Eng.(Hons), MIEI

Conservation Engineer

Kate McCormack


Historic Building Architect

Amanda Choy

Office Manager

Denis O'Malley

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

Conservation Engineer

Frank Coyne

BA, H. Dip in Ed., MIAI

Project Archaeologist (Associate)

Sheena Ryan

BA(Hons)Fine Art

Historic Interior Consultant

Mike Dawson

H.Dip Product Design

Historic Interior Decoration Consultant

John Bradley


Planning Consultant and Project Manager