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Mahon Fox Experienced Architects and Consulting Engineer


Of principal importance, Mahon | Fox’s greatest asset is its team – the people who make Mahon | Fox

Above all other areas, in terms of building the company, this has been the primary focus of management attention. We pride ourselves in commanding a relatively low turnover of personnel, with most of the current team having been with us for several years at this juncture – this fits with our philosophy of being able to provide a stable and solid service, along with offering continuity from our clients’ point of view.

Our multi-disciplinary staff have attained accreditation from various professional bodies including the RIAI, Engineers Ireland and CIAT. We are actively committed to ongoing accreditation/professional development.

John L. Mahon

(F.I.E.I., C.Eng., M.I.E.I., Eur. Ing.)

John L. Mahon

(F.I.E.I., C.Eng., M.I.E.I., Eur. Ing.)

Since qualifying from UCC in 1987 with an honours degree in Civil Engineering, John has pursued his professional development to the highest level of accreditation (i.e. that of Fellow, Engineers Ireland). As a Chartered Engineer, John has been actively fulfilling the role of Assigned Certifier on numerous projects since implementation of the Building Control (Amendment) Regulations on 1st March 2014.
His work experience encompasses a huge diversity of project types, from hospitals & schools to aircraft hangars to racecourse development to mention but a few. He has covered the commercial, retail, industrial, residential and restoration sectors, on projects ranging in budget from €10K – €90M.
One particularly relevant area of his expertise includes the conservation of Religious Buildings/Protected Structures; recently John has headed up a multi-disciplinary team on the near €1M refurbishment of St. Michael’s Church in Gorey (1839), designed by A.W.N. Pugin and much revered in Conservation terms.
In terms of energy efficiency/sustainable development, he was among the first candidates in the country to become fully qualified and registered as a Building Energy Rating Assessor which is hugely relevant in the modern era where nZEB standard buildings are now a regulatory reality.

Jonathan Murphy

Jonathan J. Murphy MRIAI

(M. Arch, BSc Arch, BSc Arch Design Tech, BSc Arch Tech, MRIAI)

Jonathan is an RIAI registered Architect and re-joined the practice in 2019. As project architect and design team lead he has the responsibility of coordinating the office design team, external design team consultants and contractors onsite, while working with clients to both meet and exceed their specific requirements. Jonathan’s combined skills as architect and architectural technologist helps drive projects forward through all stages form concept to completion. He also holds an RIAI Accreditation as PSDP in Health & Safety
Jonathan has worked on substantial private residences, social housing developments, bespoke high value housing developments, commercial fit outs, public buildings and historic protected structures. Jonathan has a keen interest in the area of conservation and continues to build on experience gained while working at one of Irelands leading design and conservation practices.

Kevin Tyrrell

Dip Arch Tech

Architectural Technologist qualified in 1996, who has been with Mahon | Fox since 1997. Throughout this long-standing position he has acquired experience across the broad spectrum of technical practice and has built up a wealth of knowledge in the field of large-scale residential developments, commercial buildings, Fire Safety and Disability Access certification, complemented with particular skills in the area of mappings and liaison with the legal fraternity and PRAI (Land Registry) alike. Kevin’s excellent all-round technical abilities make him a competent contributor in all aspects of project design and management.

James McCormack

B.Sc. Arch Tech (Hons) ACIAT

With 7 years experience working in the construction industry as an Architectural Technologist/BIM Engineer, James has worked mostly in the commercial sector on data centre and cleanroom projects. He has an honours degree in Architectural Technology from Waterford Institute of Technology and has been based in various countries around Europe since 2015, working on some of the biggest data centre projects in the world for Facebook, Microsoft and Google, as well as a number of clean-room projects while based in Europe. These cutting-edge projects were completed using a high level of BIM collaboration and clash management. At the end of 2019 James returned to Wexford and worked for a local construction company, GJM Contracts, on various residential and commercial projects before taking up his current architectural post with Mahon | Fox.

Shane Maguire MRIAI

B. Arch (Hons), MRIAI

Shane, an RIAI registered Architect joined the practice in 2017 and brings a considerable artistic and creative flair to the overall Mahon | Fox operation. Drawing on over a decade of professional experience both here in Ireland and overseas, Shane performs research, conceptual and general technical duties and possesses a particular talent for visualization which is such an essential attribute for the creative aspect of bespoke conceptual design. One of Shane’s core strengths is his belief in good design that is thoughtful and considerate to its site and context while fulfilling the particular requirements of the project brief.

David B. Mahon

B.Sc. Arch, M.Arch.

David qualified with a Masters of Architecture from University College Dublin in 2015 after which he left Ireland to launch his architectural career abroad. His initial year was spent with Boston based firm Choo & Company, where his work focused on the developer driven side of the sector, with an emphasis on large scale urban housing projects. The following years saw him move to Wellington, New Zealand where he developed his interest in structure under Structural Engineering firm DTCE as their in-house drafter, followed by an architectural graduate position with their partner firm Cranko Architects where he focused on domestic design and detailing. From 2017 to date David has also contributed to many projects abroad with the CA.UK.IN Studio group where he has progressed from volunteer to Project Manager. Between Fiji, Vanuatu, Sierra Leone and Zambia these projects have been typically focused on disaster relief work with a key emphasis on education and how to ‘build back better’. As project manager David would have seen projects through all stages, coordinating and educating teams of volunteers and locals through the design principles and real life construction of foundations, timber-frame design and cyclone resistant roofing.

Brenda Fox

Accounts Manager

A vital link in the operation of any business is the Accounts Section – headed in this case in a most proficient manner by Brenda Fox. The competency with which our books / records are maintained facilitates an instant response in relation to any aspect pertaining to client accounts, as well as ensuring absolute transparency and clarity, plus providing Management with a clear short, medium and long term financial picture at all times.

Gemma Fox


We all appreciate the value of a friendly welcome and at Reception here in Mahon | Fox such a warm greeting is assured, be that on the phone, or visiting our office. Gemma provides extensive support to the architecture team including the fulfilment of administration functions and the preparation and tracking of project documentation.

Richie Walsh

B.Sc Arch Tech.

Richie joined Mahon | Fox in 2021, a recent graduate of Waterford Institute of Technology with a degree in Architectural & Building Information Modelling (BIM) Technology in 2020. With new software and technology advancing rapidly every day, Richie brings a fresh insight to the scene by keeping up to date with the latest programmes and software. Richie helps clients visualise their dream home through the use of Virtual Reality (VR) and Computer Generated Imagery (CGI) on any of the projects that land on our desks here at Mahon | Fox. Richie wants the client to be able to see their design for what it truly is and make it as easy as possible for them to make any vital decisions at an early stage. Working in carpentry over the lockdown period, Richie developed an eye for fine detail and how to make the most out of small, cramped spaces making them a key part of the design.
Richie also runs Mahon | Fox’s social media pages, making sure that our latest projects are up for everyone to see as well as updates on the progress of bigger builds.

Mahon | Fox, Iberius House, Common Quay St, Wexford. Y35 TYD0 | | 053 91 22000