About Us.

Forward thinking in our approach, we’re a team of dedicated individuals with a proven track record of delivering.

Key personnel

  • James Donald

    Managing Director

  • Charlotte Wood

    Commercial Manager

  • Sam Hooper

    Operations Manager

  • Rita Beard

    SHEQ & HR Manager

  • Gavin Sims

    Technical Manager

The journey so far

  • Founded

    2014

    Mainstay Marine is established.

  • Progress

    2015

    ISNetworld membership achieved alongside two years LTA free.

  • Quality

    2018

    ISO 9001:2015 certification achieved.

  • Standards

    2019

    ISO 14001:2015 and ISO 45001:2018 certifications achieved.

  • Offshore

    2024

    Fit For Offshore certification achieved, alongside 1,700+ days LTA free.

  • Security

    2026

    Achieving Cyber Essentials + industry standard.


Safety & the environment.

Safety, quality and environmental responsibility are embedded in everything we do. Through strong leadership, workforce engagement and personal accountability, we have built a culture where SHEQ is a shared responsibility and a core part of daily operations.

Evidence of our culture:

  • 2,400+ Days LTA Free

  • Zero HSE Enforcement Actions

  • Zero NRW Enforcement Actions

  • Positive external recognition from HSE and client auditors

  • Continuous focus on learning, training and workforce engagement


Trusted by leading organisations.