We are a passionate, driven and dynamic team of master planners, multi-skilled operatives, engineers, divers and doers.

We have an ‘in-house’ delivery model that maximises efficiency and flexibility, with a diversified workforce capable of generating alternative, innovative solutions. We maintain a highly trained, qualified, and experienced workforce that complements our strong safety culture and commitment to excellence and customer satisfaction.

We Deliver efficient, value-driven engineering solutions for the construction industry. Safety and innovation are at the core of everything we do, together with a ‘can-do’ attitude and personal attention to client needs.

Kaymac are experienced, multi-disciplined specialist marine and civil engineering contractors

From our company's roots as commercial diving contractors right through to rail engineering and civil engineering for coastal and inland waterways, Kaymac's comprehensive list of services continues to expand to meet the requirements of clients nationwide. We provide pioneering marine and civil engineering solutions to meet the needs of our customers: Engineering innovation above and below the waterline.

Capabilities include:

Principal Engineer, Swansea Council

“Kaymac have always provided an excellent, economic, efficient and effective service. They have delivered quality workmanship, safely, to programme and within available budget. They were easy to work with on site and the final account was settled amicably, with no disputes. I will look forward to working with them again.”

Gordon Randlesome BSc(Hons), C.Eng, MICE

Crickhowell & Llangynidr Bridge Repairs

I’d like to say thanks for all your help in competing the remedial works to Crickhowell and Llangynidr bridges ready for another winter. Dean and his team worked well, were professional at all times and really easy to work with. CADW are happy with the repairs and we have even had a few locals stop and say how great the repairs look.

Jon Watson, Civil Engineer MICE Engtech, Powys County Council.

Kaymac are always the go-to solution for my diving requirements.

Various Diving Works
Andrew Harries, Wessex Water

Kaymac have supported the BPC now for over 20 years and continue to provide a top service on planned and unplanned work, always flexible around the tides as well.

Ian Russ, Port Engineer.
Bristol Port Company

Tilbury Dual Function Lock Gates, Pintle Replacement

Kaymac have been an integral part of the project team, their input into problem-solving through developing options and temporary works solutions has been valuable in overcoming challenges. The Kaymac team are very knowledgeable when it comes to marine civils, highlighting risks and developing methodologies. When working on site the team from Kaymac are professional, helpful, and positive, and they carry out their works safely and diligently, which have included specific safe systems of work including diving and confined space working. Their quality management & handover processes are also robust and proactive.

Alex Gentleman, Project Manager, Balfour Beatty TEAM2100

Cobb Valley Viaduct

Kaymac provided an excellent and reliable service throughout the whole project. The Communication between everyone on site was continuous which ensured clarity with all staff members. The Kaymac team had a great understanding of the project as a whole particularly with the safety and site-specific tasks that were required, and as a result, the project was very successful. A big thank you to Jeff and the team for their impressive work on this high risk project, I will look forward to working with you in the future on other projects hopefully very soon.

Kieran Edwards, Resource Manager, Amey Rail Ltd
About us
Kaymac are market leaders in specialist subsea and marine engineering

With over four decades of experience, our specialist involvement is widely acknowledged by our clients. We provide innovative marine civil engineering solutions to meet the needs of our customers- It is our exceptional customer focus and deep understanding of their needs which builds strategic long-term relationships.

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