Welcome to the Homeof Superyachts!
POWER • PRECISION • PERFORMANCE
Who We Are
Custodians Of Marine Performance
Zener Marine is called upon by yacht owners, captains, and managers when performance is no longer a promise but an expectation. Not only during construction but through every season that follows when vessels must remain beautifully crafted and fully operational. With over 60 years of combined experience in the superyacht industry, we deliver specialist care to tenders wherever in the world the vessel is operating.

What We Do
Disciplines Of Exacting Care

01 / 05 — Tenders
Superyacht Tenders
Survey, maintenance, repair and refit for superyacht tenders, ensuring every journey ashore reflects the yacht's own exacting standard.
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02 / 05 — Electrical
Marine Electrical
Electrical refit and engineering for yachts and tenders, with wiring, panels and power systems finished to an exacting marine standard.
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03 / 05 — Mechanical
Mechanical & Electrical Engineering
Engine, drivetrain, and onboard electrical systems engineering for sail boats, motor-yachts and small vessels. Specialising in electronics and digital switching. Scheduled servicing to complete refit delivered with exacting standards and customer control.
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04 / 05 — Consultancy
Marine Consultancy
Independent technical guidance for owners, captains and yacht managers, bringing clarity before critical decisions are made onboard.
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05 / 05 — Programming
Systems Programming
Complete onboard control system configuration, with custom user interfaces and digital switching integration, created for vessels where every connected system must respond with absolute clarity.
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01 / 05 — Tenders
Superyacht Tenders
Survey, maintenance, repair and refit for superyacht tenders, ensuring every journey ashore reflects the yacht's own exacting standard.
Explore Service
02 / 05 — Electrical
Marine Electrical
Electrical refit and engineering for yachts and tenders, with wiring, panels and power systems finished to an exacting marine standard.
Explore Service
03 / 05 — Mechanical
Mechanical & Electrical Engineering
Engine, drivetrain, and onboard electrical systems engineering for sail boats, motor-yachts and small vessels. Specialising in electronics and digital switching. Scheduled servicing to complete refit delivered with exacting standards and customer control.
Explore Service
04 / 05 — Consultancy
Marine Consultancy
Independent technical guidance for owners, captains and yacht managers, bringing clarity before critical decisions are made onboard.
Explore Service
05 / 05 — Programming
Systems Programming
Complete onboard control system configuration, with custom user interfaces and digital switching integration, created for vessels where every connected system must respond with absolute clarity.
Explore ServiceHow We Work
The Craft Behind Every Commission
Every project, whatever its scale, follows the same disciplined approach. Hover a stage to explore it.
01Vessel Appraisal
Every engagement begins with an onboard assessment and work scope agreement before commencing.
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02Technical Direction
A fully costed plan is created setting out parts and equipment with a structured timeline, and the expected standards so that nothing is left to chance.
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03Exacting Execution
Our engineers carry-out work to exacting standards with progress carefully reported throughout the project.
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04Final Assurance
The project closes with full testing, documentation and handover, ready for the vessels next season.
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A Presence Beyond Borders
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Years of Combined Expertise
Four decades of hands-on marine engineering experience, carried into every survey and every repair we undertake.
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Core Technical Disciplines
Mechanical, electrical, programming, tenders and consultancy, five specialisms brought together within a single team.
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Worldwide Vessel Support
From the Mediterranean to the Caribbean, the Middle East to the Americas, our engineers travel wherever the vessel is berthed.
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Tenders Under Care
An entire fleet of superyacht tenders kept at survey standard, through ongoing maintenance, repair and refit.
Featured Work
Featured projects
A glimpse of the engineering work our clients place in our hands, season after season.

Why Us
The Mark Of Marine Distinction
- Singular Discipline
- Marine engineering, tenders and onboard systems are the whole of what we do. Not an added service, but the discipline our reputation is built upon.
- Trusted Record
- Over 40 years of combined experience within the superyacht tender industry, earned through the confidence of owners, captains and yacht managers.
- End-to-End Capability
- Mechanical, electrical, programming and consultancy sit under one team, giving you a single point of contact rather than four separate ones.
- Global Response
- Our engineers can be on the dock wherever the vessel is berthed, the kind of reach a global fleet requires.
Testimonial
Trusted By The Discerning
Zener is the team other engineers turn to when the answer is not obvious. Every vessel returns with a complete account of what failed, why it failed and how it was resolved.
Yacht Manager
Managing Owner's Representative — 62m Motor Yacht
They are not tender builders. They preserve the performance of ours beyond the day they were delivered. It is a distinction most owners only understand once they have experienced it.
Captain
Private Motor Yacht — 48m Motor Yacht
Independent, technically exacting and unafraid to advise against what looked convenient. Before purchase, that level of honesty was exactly what the decision required.
Prospective Owner
Pre-Purchase Consultancy Client
Insight
The Journal Of Marine Craft
Technical insight and industry perspective from our engineers.

Superyacht Tenders · 4 min read
Why Tender Maintenance Deserves the Same Standard as the Yacht
Guests often judge a superyacht by its tender first and last. There's a reason it should never be treated as an afterthought.

Marine Electrical · 5 min read
What Yacht Managers Should Ask Before an Electrical Refit
Electrical refits go wrong more often than owners expect. A short list of questions that tell a competent contractor apart from a specialist.

Systems Programming · 6 min read
Onboard Systems Integration, Explained
A clear look at EMPIR BUS and onboard systems programming, what it really does, and why poor integration happens more often than owners think.

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Entrust The Vessel To Specialists
Connect with Zener Marine for specialist engineering support, precise technical guidance and dependable care wherever your vessel is berthed.
