Mainstay Marine Solutions

Mainstay Marine Solutions We’re shaping the future of marine engineering. We understand that time and precision are critical.

We design, build, repair and maintain commercial vessels, marine structures and specialist engineering projects for clients who need more than an off-the-shelf solution Whether it’s new workboat build, refit, maintenance or repair, jetty or harbour infrastructure works, or marine energy device fabrication. Our name is new, but Mainstay Marine Solutions carries on a long legacy of boat building wit

h a core management team who have been designing and building workboats for over 30 years in our deep-water facilities in Pembroke Dock, on the Milford Haven waterway in South West Wales. Responsive and exacting, we meet your critical deadlines and ensure your vessel or waterside infrastructure’s time in service is maximised, safely. Our capabilities are showcased in the pilot boats, patrol boats, wind farm support vessels, workboats, passenger vessels and tidal energy devices, recently launched and in build.

"Mainstay Marine Solutions has supported STS Defence for nearly a decade on critical UK defence communications projects....
01/09/2026

"Mainstay Marine Solutions has supported STS Defence for nearly a decade on critical UK defence communications projects. Throughout this time, they have consistently delivered high-quality work, met project deadlines, and maintained exceptional professional standards.

The team is always responsive to client requirements, demonstrating the agility and flexibility needed to adapt to evolving project demands while keeping customer needs at the forefront of delivery.

As a result of this successful long-term partnership, and the confidence they have built through their continued professionalism and performance, STS Defence has entrusted Mainstay with the delivery of an overseas defence contract in Australia.

Mainstay's commitment to professionalism, reliability, and quality makes them a valued and trusted delivery partner."

Trevor Steele, Head of Projects.

26/08/2026

We solve complex problems on, in and around the water.

Whether we're building vessels, maintaining critical assets, or delivering bespoke engineering solutions, every project presents opportunities to innovate, adapt and improve.

Marine engineering is rarely straightforward. Plans evolve, concepts are refined, and challenges emerge where they're least expected.

The real work happens when experienced teams gather around a drawing, component or system to solve a problem that wasn't in the original plan.

This clip captures one of those moments where experience, collaboration and practical problem-solving make all the difference.

Successful projects aren't built by avoiding problems.

They're built by solving them.

Join us in shaping the future of marine engineering.At Mainstay Marine, you'll work on diverse and technically challengi...
19/08/2026

Join us in shaping the future of marine engineering.

At Mainstay Marine, you'll work on diverse and technically challenging projects spanning vessel construction, marine infrastructure and renewable energy. From our base in Pembroke Dock, our skilled teams design, build and deliver solutions that make a real impact across the maritime sector.

We're looking for talented professionals who bring experience, initiative and a passion for quality.

In return, you'll join a collaborative team where expertise is valued, development is encouraged, and everyone plays a part in delivering exceptional results.

View our current vacancies: https://www.mainstaymarine.co.uk/careers

⚓ We're Hiring: FabricatorsLooking for your next challenge in the marine industry?Join Mainstay Marine and become part o...
28/07/2026

⚓ We're Hiring: Fabricators

Looking for your next challenge in the marine industry?

Join Mainstay Marine and become part of a team delivering high-quality fabrication and engineering solutions on a wide range of marine vessels.

🛠️ Steel fabrication & platework
📐 Drawing interpretation skills required
⚓ Marine experience preferred
📈 Real progression opportunities

📩 Apply by sending your CV to [email protected].

24/07/2026

A snippet of summer so far from Mainstay's Marine Services Team ☀️⚓

It's been a busy and productive period, and we're proud to support clients solving complex problems on, in and around the water.

Our clients come to Mainstay because they need more than a supplier. They need a trusted partner with the experience, facilities and technical capability to turn complex requirements into successful outcomes.

We'd like to thank all of our clients for their valued support and continued trust in us. We are proud to play a part in your projects and look forward to continuing to work together in the months ahead.

(Check out how we slip vessels on our 650-tonne covered slipway in clip below ⏬ )

📧 [email protected]
📞 01646 681117

🏗️ Plater/Fabricator wanted — now recruiting!🛠️ Hands‑on role working on marine vessels, fabricating, assembling, and fi...
08/06/2026

🏗️ Plater/Fabricator wanted — now recruiting!

🛠️ Hands‑on role working on marine vessels, fabricating, assembling, and fitting steel and plate work.
👷‍♂️ Skilled • Reliable • Drawing interpretation • Marine experience preferred
📈 Progression opportunities available

📩 Send your CV to [email protected]

❌ This vacancy is now closed❌🏗️ Site Operative wanted — now recruiting!🛠️ Hands‑on role supporting site operations, incl...
21/05/2026

❌ This vacancy is now closed❌

🏗️ Site Operative wanted — now recruiting!

🛠️ Hands‑on role supporting site operations, including telehandler work and safe movement of materials.
👷‍♂️ Reliable • Site experience • Safety‑focused • Telehandler skills preferred
📈 Progression opportunities available

📩 Send your CV to [email protected]

❌ This vacancy is now closed❌🎨 Senior Painter wanted — now recruiting!🛠️ Lead and deliver high‑quality painting and coat...
12/05/2026

❌ This vacancy is now closed❌

🎨 Senior Painter wanted — now recruiting!

🛠️ Lead and deliver high‑quality painting and coating work across marine projects, ensuring excellent finishes and standards.
👷‍♂️ Proven experience • Leadership skills • Strong attention to detail • Quality workmanship

📩 Interested? Send your CV to [email protected]

💧 Hydraulic Fitter wanted — now recruiting!🔧 Install, maintain, and repair hydraulic systems while ensuring top‑quality ...
28/04/2026

💧 Hydraulic Fitter wanted — now recruiting!

🔧 Install, maintain, and repair hydraulic systems while ensuring top‑quality performance on site.
👷‍♂️ Proven hydraulic experience • Strong fault‑finding skills • High standards of workmanship

📩 Interested? Send your CV to [email protected]

Address

The Dockyard
Pembroke Dock
SA726TE

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+441646681117

Website

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