Accountants in Treforest

Xeinadin O’Brien & Partners
Treforest office
Highdale House
7 Centre Court
Treforest Industrial Estate
CF37 5YR


O’Brien & Partners is focused on providing their clients expert accountancy and tax advice and a proactive approach. Our specialists have a wealth of experience working with a variety of industries delivering personalised accounting and tax solutions. The leadership team have worked in some of the largest accountancy firms in the UK – allowing a combination of large firm mentality and experience mixed with a friendly, accessible, and superior service.

O’Brien and Partners have over 30 staff located at two offices. Our main office is located on Main Avenue, Treforest Industrial Estate and is centrally and conveniently located for both Cardiff and the south Wales Valleys. It is easily accessible from both the M4 and A470 and designated parking is available for the use of clients and visitors.

Our Cwmbran office is located at 11 New St, Cwmbran and adds to the geographical reach of O’Brien and Partners.

Call us today

01443 841 184

Meet the Treforest team

Dafydd Jones

Accounts & Tax DirectorCwmbran

Mark Aherne

Tax DirectorCwmbran
Lewis Van Emden

Lewis Van Emden

Audit & Accounts DirectorSouth Wales

Joanna Pugh

Audit & Accounts ManagerCwmbran

Catherine Ingram

Audit & Accounts DirectorCwmbran

Tania Cregg

Audit & Accounts DirectorSouth Wales

Contact us



They are focussed on creating a future-focused and relationship-driven culture, that keeps its promises to you, our team members, and partners.