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Denis Treacy
Managing Director

Denis founded the company after the success of DP Treacy carpentry in 2005. With 40 years experience in the trade Denis prides himself on his involvement within all aspects of the business, and has a consistent healthy relationship with our valued clients and also their design teams. Denis never takes a backward approach and runs the business with a 'can do' attitude.

Andrew Giles

Andrew has worked with Denis for over 20 years, with a similar timber trades background. Andrew is responsible for the buying amongst other roles such as estimating and pre construction planning. Andrew also gets involved at client level with tender and live projects and works alongside our clients to share his expertise of the industry and advise solutions when required.

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Betty Treacy

A much loved and founding director of DPT Ltd. Without Betty’s dedication to her family, DPT Ltd would not be here today.

Sadly Mrs Betty Treacy passed away suddenly in January 2021 from COVID-19. She will be forever missed.

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Niamh Treacy

Niamh joined the company in 2017 after a few years in the industry working for Tier 1 contractors. Niamh is responsible for a range of aspects of the business starting from pre contract negotiations to finalising decisions on both commercial and production fronts. Niamh also carries the company's Q mark fire door installation and maintenance certification.

Contracts Manager

Noel joined the team following years of working with a specialist contractor based in heathrow airport. An Engineer by trade, Noel brings a particular attention to detail to the quality of work that we produce on site, and with plenty of experience working under demanding deadlines with almost unprecedented restrictions, his management skills allow us to facilitate a range of challenging projects.

Projects Manager

Sam joined the team in 2021 coming from a carpentry & joinery fire door and fit out background. Sam supports the site supervisors and contracts team with QA, handovers, health & safety and ordering.

Quantity Surveying

After completing a masters in project management at Sheffield Hallam university, Ivan began contracting for DPT in 2013. Ivan works on a number of contracts at a time for DPT and works alongside clients and suppliers to create drawings and schedules for live and tender projects.

Quantity Surveying
Quantity Surveying

George joined DPT in 2020 after completing his carpentry apprenticeship. He has since transitioned to the role of Quantity Surveyor and is currently pursuing a BSc. In addition to his surveying duties, George supports Andrew in the buying department and coordinates with our site supervisors to ensure all teams have the necessary resources.


Having joined the team in 2018 after achieving her 1st class honours degree in finance & accounting from Brunel University, Adrianna's responsibilities include managing the day-to-day accounts, wages, and other financial aspects of the business. Her expertise and attention to detail ensures the smooth running of the company's financials. Adrianna completed her ACCA exams in 2023 and is now working towards her Chartership.

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Sarah manages some of the time-consuming processes which help the business run smoothly. From ensuring invoices are signed off on time for payment runs to organising company social events Sarah helps across all departments to help the team when needed.

Workshop Manager

Daniel joined the team in 2021 coming from a carpentry & joinery trade background. Daniel has spent many years on production and installation fronts and now leads our workshop team.

Workshop Foreman

Geoff has worked with Denis & Andrew for over 20 years. Geoff is involved in all projects and carries out production of all joinery elements which run through the workshop. Geoff is also responsible for a lot of our aftercare management.

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