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Alun Griffiths (Contractors) Ltd

Founded in 1968 Griffiths is one of the leading civil engineering and construction contractors working in Wales, the English border counties and the West of England.

We currently have an annual turnover of circa £200m placing us in the UK Top 20 of civil engineering contractors. We have a strong client base, including central government, local authorities and private sector organisations.

By putting the needs of our clients first we are able to deliver the optimum solution. Our professional, collaborative approach combined with our value engineering expertise is proven to add value whilst minimising disruption and other adverse impacts. This ensures that we consistently deliver successful frameworks and award winning projects on time and to budget.

We pride ourselves in providing the personal touch, establishing and maintaining mutually beneficial relationships at all levels within client organisations, throughout the supply chain and with stakeholders.

Our people are our company. We have a directly employed and loyal workforce, when combined with our own extensive plant fleet, gives us the resources and flexibility to deliver what's needed when it's needed.


Griffiths has been appointed by Welsh Government (WG) to undertake improvement works on the A55 at Abergwyngregyn, Gwynedd. The Design and Build contract will improve safety along a 2.2km stretch of the carriageway, between Junction 12 and 13, by removing direct accesses off the A55 as well as removing eight gaps in the central reservation which currently allow slow moving agricultural vehicles to cross the A55.

It also includes over four kilometres of new and improved active travel facilities to encourage cycling and walking, supporting the principles of a low carbon society and will also deliver more flood protection for the A55, through the construction of an improved drainage system boosting the route’s resilience.

To minimise disruption, as much work as possible will initially be completed off the A55 including the construction of the 1.3km combined access and active travel route. To keep traffic moving on this key route, four lanes of traffic will however be maintained during the daytime and construction is programmed to be completed by the Spring of 2022.

Subcontractors will need to have Constructionline Silver Level.

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Sub-contract notice Additional documents attached to notice. Postbox can be used for notice. 
Taff's Well Integrated Control Center - Mechanical, Electrical & Telecoms
Reference No: SEP345880
Published By: Alun Griffiths Contractors
Deadline Date: 16-Oct-20
Notice Type: Speculative Sub-Contract Opportunity