Sustainable Ships

Sustainable Ships is the maritime sustainability hub that provides easy-to-use tools and expert support to navigate complex regulations and accelerate your decarbonization efforts.

We help you find, use and sell digital tools to make your business case. Get support from our team of engineers and suppliers on demand whenever you need it - you are in control.

We help you to …

The maritime industry faces growing pressure to reduce emissions and comply with stricter regulations. But navigating complex regulations, choosing the right technologies, and securing financial feasibility is challenging. With powerful digital tools, expert guidance, and real-time business case modelling, we make compliance and decarbonization simple, fast, and cost-effective.

  • Regulatory frameworks like EU ETS, FuelEU Maritime, and IMO CII are rapidly evolving, making compliance a moving target. Understanding their impact on your operations can be overwhelming and costly. We provide real-time regulatory insights and compliance optimization tools that take the guesswork out of sustainability. Our solutions ensure you minimize costs while meeting legal obligations. Whether you need to forecast costs, determine the lowest-cost path to compliance, or prepare for future requirements, we ensure you stay ahead - without the sweat. Try the Compliance Cost Calculator to see how this works here.

  • Finding the right decarbonization solution is more than just picking a technology - it’s about ensuring it fits your operations and budget. Our tools allow you to discover the optimal combination of technologies to achieve decarbonization goals with a sound business case. We take a holistic approach to decarbonization technologies and alternative fuels to ensure your investments yield maximum payback potential. Our marine engineers and shipping professionals support you from feasibility assessment to implementation, tailoring solutions that fit your fleet’s operational needs while ensuring future competitiveness. Try the Decarbonizer to see how this works.

  • Sustainability challenges don’t come with a one-size-fits-all solution, and sometimes you need personalized guidance to make the right decisions. Our network of experts, engineers, and vetted suppliers is available to answer your questions, provide strategic advice, or help implement the right solution for your fleet. Whether you need a quick clarification, a second opinion, or hands-on consultancy, our team is ready to assist - without the need for expensive, long-term consultancy contracts. Talk to an expert today and get the support you need by clicking here or contacting the helpdesk.

60

Countries used worldwide

197,740

Tools used to date

3,473

Regulatory questions answered

What our users say

We help every kind of industry stakeholder. Whether you're a shipowner, supplier, port authority, or any other kind of maritime professional, our tools help you navigate regulations, assess compliance costs, and identify the most cost-effective decarbonization measures for your ship, fleet or business. Turn compliance into opportunity and join the hub to share expert insights, optimize sustainability strategies and make a difference!

  • “They performed an exploratory study on rules and regulations for several of our focus regions and a selection of our vessels and technologies. This gives us great insights on what is important for our customers. We now understand better what the impact of EU ETS will be for our clients, and which actions we should take in order to be prepared for the future.”

    Matthijs Richelle - Service Development Manager - Damen Shipyards

  • “Vincent has helped us understanding the challenges, considerations and cost impacts of getting an existing vessel ready for receiving shore power. The Sustainable Ships tools and report provide insight and work intuitively. We believe ship owners could definitely use the expertise that Sustainable Ships has to offer.”

    Ryan Cornelisse - Business Manager Shore Power - Port of Rotterdam

  • “Sustainable Ships delivered an exceptional ammonia comparison tool that exceeded our expectations. Their expertise and efficiency in developing this specialized Excel-based solution within just six weeks has significantly enhanced our ability to present compelling business cases to potential shipowners. This innovative tool is instrumental in our mission to establish ammonia infrastructure in the US, positioning us at the forefront of sustainable shipping solutions. Sustainable Ships has proven to be an invaluable partner in navigating the complex landscape of alternative fuels in the maritime industry.”

    Paul Rodgers - EVP of Business Development - Ten08 Energy

How it works

Getting started is simple - and free! First you find the right tools, ranging from regulatory cost calculators to investment comparison models. Then build your business case by customizing these tools to match your ship, fleet, operations, or solutions. Instantly determine costs, compare options, and gain real-time insights for different scenarios. When you're ready, sign up for full access to premium tools and expert support - putting you in control of your sustainability strategy.

  • Our hub provides easy-to-use, interactive tools that help you assess compliance requirements, compare technology options, and explore cost-effective solutions - all in one place. Whether it’s EU ETS, FuelEU Maritime, biofuels or installing a battery onboard, you will find the right tools to turn sustainability into a business case. Check out all tools here.

  • Our interactive tools let you calculate compliance costs and decarbonization investments in seconds. Adjust key parameters with sliders and one-click calculations to quickly compare investment scenarios and find the most cost-effective path forward. Whether assessing FuelEU Maritime, EU ETS costs, or new decarbonization technologies, you’ll get real-time return on investment insights tailored to your fleet - in a matter of seconds. Check out examples and case studies here.

  • Unlock full access to premium tools, personalized business case support, and on-demand expert guidance. With a membership, you gain the insights and support needed to stay ahead in an evolving industry. Get clarity on regulations, connect with other shipowners and suppliers, and turn sustainability into a competitive advantage.

    Don’t want a membership? Don’t worry! We offer pay per use and consultancy options as well. Choose the option that suits you best and stay in control - always.

Frequently Asked Questions

  • Sustainable Ships is trusted by shipowners, suppliers, ports, and industry experts worldwide. Our tools and advisory services have been used by leading companies such as Damen Shipyards, Port of Rotterdam, Van Oord and many others, providing them with real-time insights into compliance costs, decarbonization strategies, and regulatory requirements. Whether you’re a global shipping company or a supplier looking to position your technology, our solutions are designed to support your business.

    Check our projects to see how our tools are already making an impact.

  • Yes, but they are not verified by class in all cases. Our tools are developed in collaboration with maritime engineers, regulatory experts, and industry professionals as well as our preferred partners who provide direct industry knowledge. We leverage industry-leading methodologies and continuously update our tools to reflect the latest regulatory frameworks and best practices. Additionally, we collaborate with trusted verification bodies like Normec Verifavia, ensuring that our compliance tools align with official reporting requirements.

  • While we cannot provide a legal guarantee of compliance, we can offer verification services and guarantees of compliance on a case-by-case basis. By working with independent verifiers such as Normec Verifavia, we ensure that our compliance calculations align with industry standards. Our expert team is available to review your case and provide tailored guidance to minimize compliance risks. Contact us to learn how we can assist with your specific regulatory needs.

  • Our tools are built using industry-approved formulas, verified regulatory parameters and standards, as well as real-world case studies. We source our data from trusted maritime organizations, regulators, classification societies and our preferred partners to ensure reliability. Our tools are regularly tested against real-life compliance cases by our members, continuously improving their accuracy. Want to see it in action? Try our Compliance Cost Calculator and experience it for yourself here.

  • Yes. We work closely with independent verification bodies, equipment suppliers, fuel providers, naval architects and industry experts and consultants to ensure our tools align with evolving maritime regulations. We actively engage with shipowners, suppliers, and port authorities to refine our solutions, ensuring they remain practical and effective. Our ecosystem is growing, and we welcome new collaborations to strengthen industry-wide compliance and decarbonization efforts. Interested in partnering with us? Learn more here.

Get in touch

Want to explore how our tools and expertise can help you?

Get in touch for tailored advice or to schedule a demo.