Vessel Maintenance, Performance & Fleet Management Software
Keep vessels running.
Operate more efficiently.
Bring maintenance, defects, compliance and operational data into one place, with predictive insights that help teams act earlier, reduce unnecessary fuel and energy use, and make better use of machinery and resources.
Vessel Management Made Simple
The tools you need to run vessel maintenance and operations.
Manage maintenance, defects, compliance, records and fleet activity in one place, with simple workflows for crew and clear oversight for management.
View all modulesBuilt for operators managing complex vessels with limited time.
Commercial Operators
Keep every vessel ready for service.
Bring maintenance, defects, compliance and operational information together so technical teams stay in control without adding more administration.
Explore commercial operators
Superyachts & Yacht Management
Simpler technical management. Clearer oversight.
Keep maintenance, records, inventory and vessel information organised, with clearer oversight for captains, engineers and management teams.
Explore superyachtsMore Than a Traditional PMS
Manage the work. See what is changing.
A traditional planned maintenance system tells you what is due. Mariners Log does that too, then goes further by combining planned maintenance with machinery condition, maintenance history and operational data to show what is actually changing on the vessel.
A second set of eyes on vessel condition, working continuously in the background.
Explore predictive maintenanceFuel, Energy and Performance
Use the data to operate more efficiently.
Understand fuel consumption, battery performance and vessel behaviour to identify inefficient operating patterns and make better operational decisions.
Fuel consumption
Track fuel use, fuel per nautical mile and operating behaviour.
Battery performance
Monitor battery consumption, state of charge, charging and discharge patterns.
Voyage comparison
Compare routes, vessels and operating profiles.
Practical insights
Turn energy and vessel-performance data into useful operational recommendations.
A Simple Onboarding Process
A clear path from demo to rollout.
We keep onboarding practical and work with your team through each stage, so adopting Mariners Log does not become another administrative project.
Tailored demo
We start with your vessels, current systems and priorities, so the demo shows how Mariners Log would work for your operation.
3-month paid pilot
Test Mariners Log in real operation. We support setup, onboarding and training throughout, so you can assess the value first.
Annual subscription
If the pilot works, move to an annual subscription with onboarding, training and ongoing support included.
One clear price. No hidden standard onboarding costs.
Standard onboarding, training and ongoing support are included. Any bespoke integration or custom work is scoped and agreed upfront.
The 3-month pilot is priced separately and agreed upfront.
Built for maritime operations. Supported by technology, research and industry.
ISO 9001 Certified
MERC Member
Microsoft for Startups
Founder Catalyst Alumni
Working with AUT University
Frequently asked questions
Mariners Log covers the core maintenance and operational functions expected from a PMS, including planned maintenance, tasks, defects, records and compliance. Where it goes further is by using machinery condition, maintenance history and operational data to identify changing trends and help teams act earlier.
Predictive maintenance uses information from your machinery, operations and maintenance history to identify patterns that may indicate a developing issue. Instead of relying only on fixed schedules or waiting for something to fail, it gives your team another source of information when deciding what needs attention.
General AI tools can help analyse information you manually provide, but they are not designed to continuously manage vessel operational data, maintenance history, alerts and maintenance workflows. Mariners Log is built specifically for vessel operations and brings these elements together in one system.
Mariners Log can use available machinery readings, digital logs, maintenance history, fuel information and other vessel-operational data. The exact data used depends on what is available on the vessel. Better quality and more consistent data generally provide stronger insights.
Not necessarily. Mariners Log can become your primary vessel-management platform or work alongside existing systems where appropriate. The approach depends on your operation, current systems and what you are trying to improve. Any bespoke integration or non-standard data work is scoped and agreed upfront.
Mariners Log analyses machinery and operational information to highlight changing trends and potential issues earlier. This can help technical teams investigate sooner, adjust maintenance where appropriate and reduce the risk of unexpected failures.
Yes. Mariners Log can analyse fuel use alongside vessel speed, operating conditions and other performance information to help identify inefficient operating patterns and opportunities to improve efficiency.
Accuracy depends on the quality, quantity and consistency of the available data. Mariners Log uses historical and operational information to improve the quality of its insights, but predictive outputs are intended to support engineering judgement, not replace it.
No. Mariners Log can support individual vessels, small operators and larger fleets. The platform is designed to scale as an operation grows while still providing vessel-level maintenance, compliance and operational visibility.
Yes, where the data is available and compatible. Historical maintenance records, logs, fault information, fuel data and other operational information can help provide a stronger starting point for predictive insights.
We work with your team to configure Mariners Log around your vessels, current systems and operating requirements. Onboarding and training are included, and the goal is to make onboarding practical without creating another administrative project for your crew.
Most customer input is focused on helping us understand your operation, identifying the right users and taking part in onboarding and training. The pilot is designed to fit around real vessel operations.
We configure the agreed scope, onboard and train users, support the team during real operation and use the pilot to assess how Mariners Log fits your workflows.
Yes. The pilot can begin with a practical operating scope before any wider rollout is considered.
No. Mariners Log is modular, so you can start with the modules most relevant to your operation and expand over time.
Standard onboarding, training and ongoing support are included in the annual subscription. Any bespoke integration, custom data work or other non-standard requirements are scoped and agreed upfront. The 3-month paid pilot is priced separately and agreed upfront.
See how Mariners Log could work for your vessel or fleet.
Tell us about your operation and we'll tailor the conversation around your current systems, priorities and challenges.