Project Management

Do you have too many projects going on at one time? Do you need more strategic hands on approach or a complete new look at the situation? JJ Marine can assist!

With an extensive knowledge skillset in vessel maintenance; class surveys; engine maintenance programmes; refits and generator design. JJ Marine is the smart choice when it comes to helping you manage your projects.

Periodic Maintenance

Our aim! – Offer engine maintenance done differently. We offer a competitively priced tailer-made approach, personalised to your vessels needs.

JJ Marine specialises in MTU, John Deere, MAN, CAT and all brand of generators. 

All maintenance is done with class approval and reports cover all class demands.

Power generation

With years of both land based and ocean going power generation experience, JJ Marine offers custom built solutions to meet your specific needs.

What is your challenge? – A demanding new build? Going Green? Or a quick turnaround refit? 

We think out of the box but within budget.

Coming Soon!

Your second engineer onshore. Intended for sole-engineer yachts, offers technical backup 24/7! Figure out a breakdown, get the right parts for your pumps, meaning of engine codes, etc. 

We are there for you when you need us most!

Maintenance done right..

Experience and Quality

We offer a wealth of knowledge and experience in the maintenance of land based and floating generators and propulsion engines.

We carry out tailormade maintenance programmes, based on:

  • Running hours per season
  • Location/Itinerary
  • Use of the boat/engines
  • Onboard knowledge
  • Onboard parts stock

Our goal is to build long-term, reliable and dependable partnerships with our customers both on and offshore. Offering worldwide individually tailored service and maintenance programmes at a competitive rate.

We specialise in the following engines:

  • John Deere (driven generators like Zenoro, Northern Lights, Kohler)
  • MTU
  • Volvo Penta
  • Caterpillar

Propulsion engines 

  • MTU
  • Caterpillar 
  • Detroit Diesel

what we offer

Always the right choice

With years of experience we can support you in all your technical challenges.

Crew / Yacht owners

With years of personal experience working internationally in the yachting industry we understand first-hand the day to day running requiements of a ship and the needs of a crew, making JJ Marine your ideal partner.

We offer a face to face personal approach, suited to the individual needs of your vessel and crew to ensure a smooth, relaxed voyage and ultimate enjoyment of your yacht.


Yacht Management company

Experienced in IACS Regulations, Solas, MARPOL / MCA / ISM / ISPS and ofcourse flag, we can assist in supporting your yacht or fleet to the highest standards, whilst understanding and respecting the wishes of the owner and the obligations of a management company.

Technical supply company

We offer a broad range of skills and services derived from extensive knowledge and experience built up in the yachting industry both nationally and internationally.
From project management, to engineering and commissioning. Our holistic skill set makes us the smart choice.

Need a change?

When the time is come to start thinking about a refit of the generators we can help! It’s a choice for another decade, so what is the right one?

We can assist in the following:

  • Advise in a power upgrade, bigger generators and power management
  • Tight space? creative solutions and we think for one time inside the box.
  • Smaller generators in combination with clever power management
  • Class demands
  • IMO3 exhaust systems
  • Tight time schedules
  • Easy installation packages
  • Going green? Battery packs and Hydrogen? 

Project Management

In times you need an extra hand managing a project, or technical experience we are there for you. Nowadays it’s hard to find experienced people with the right skillset.Especially within yachting where the standards are high.

Why don’t consider to outsource your project or challenge? With over 10+years experience in power generation and management, from building generating sets. Engineering with low noise or vibration? SOLAS?
IMO III? Assembly of generator sets, installation on site? Commissioning, Class, after sales? How can we support your company?
With a worldwide network and jobs done from San Diego, South of France, Italy, Caribbean, Germany and of course The Netherlands, we know our way around to make sure your product will excel and you will only have satisfied customers or clients.

Project example:
“On the left, we exchanged two furlers on a 40mtr Camper & Nicholsons sailing vessel which suffered a breakdown due to bad weather. In close collaboration with the German manufacturer, Dutch logistics company, Sint Maarten rigging company and of ofcourse the crew we were able to replace the units within 6 weeks.”

Our awesome clients

Client Testimonials

Dont’t take our word for it – here’s what our clients say:

“I would like to personally thank Hans Pels for his professionalism, enthusiasm and efficiency when our generator failed in the middle of a very busy summer season. Within 5 days Hans, not only sourced, painted but also had it shipped to Mallorca and helped with the installation himself. This allowed us to continue our season without any interruption to the owners or our charter clients. Hans, you are a super star and we are looking forward working with you in the future!!!”


44mtr Heesen Super Yacht

“Hans looks after our generators since the delivery, the service visits were always well prepared with tools, parts and travel where ever we were. As a crew we are always highly involved in creating the job list, the scope goes wider than the maintenance schedule from the supplier but also running hours, location and so on are taken in account. This results in a sharp budget and time line.
Also we were assigned to a fixed engineer who comes already many years and knows the boat and crew, highly recommended!”


43mtr CRN Super Yacht

“In the middle of our summer season in the meds our HVAC chiller was beyond repair. A day before our charter started! Hans found the same day a replacement chiller, brought it in from the Netherlands and had it delivered in the middle of the night by courier. The installation was done right away and the next morning on our way to pick up our charter guests in Monaco the commissioning was done. The engineers got off board before our guests came on, and we had an cool and flawless charter!!”


36mtr Palmer Johnson Super Yacht

Let us show you what is possible, today!

Our Team

At the moment, the company is driven by it’s founder Hans, when needed we use a trusted and skilled network of freelance workers, and we have a worldwide network of partners we can assign accordinly.
Shipyards, Logistics, Engineering, Metal production and many others which will boost your project.

Hans Pels

Operations Manager

With 20 year experience on the land and sea. A worldwide network, and not afraid for a challenge your project is in good hands.

Your spot?

Mechanical Engineer

Look at our vacancies how to get your name up here!

Your spot?

SolidWorks 3D engineer

Look at our vacancies how to get your name up here!

Connect with us

Contact us

To learn more about our service offerings and industry expertise please contact us, see below for our contact details. For direct contact please use Whatsapp or Telephone. Other means will be answered as soon as possible. For 24/7 assistance please use the contactdetails given.

A personal visit? You are more than welcome! Please note we’re open on appointment only. 

  • +31 (0)55 203 24 11
  • Bloemwijklaan 20
    7315AL Apeldoorn
    The Netherlands
  • 0031 55 203 24 11
  • KVK | Chamber of commerce: 88295400
    BTW | VAT: NL864568599B01
    IBAN: NL42 RABO 0377 6489 14