Real Insight. Real Expertise.
 Real Results.

Maven delivers Actionable Intelligence, Strategic Broking, and Expert Support across the Global Fuel Oil Market and beyond.

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Trusted by the World's Leading
 Oil Majors, Trading Houses, National Oil Companies,
and Financial Institutions

From projective market intelligence to strategic cargo placement, our core services cover the full fuel oil value chain — helping clients trade smarter, ship better, and see further.

Maven Brokers

Strategic broking and expert consultancy
Maven Brokers helps clients move cargo, optimise tonnage, and navigate the complexities of the global fuel oil market. From tanker broking to tailored consultancy, we combine discretion, experience, and commercial insight to deliver reliable outcomes in one of the world’s most challenging trading environments.
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Maven Knowledge

Human-led intelligence, ahead of the market
Maven Knowledge delivers the most accurate, forward-looking view of global fuel oil flows. Tracking over 400 trades per week — including sanctioned markets — we provide projection windows of up to 60 days, validated data points for every trade, and historical datasets dating back to 2017. Insight that doesn’t just follow the market — it gets ahead of it.
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Establised in Singapore.
 Respected Across the Industry.

Maven Brokers was founded in 2016 by Sebastian Day, a tanker specialist with deep roots in the Singapore trading community. Soon after, he was joined by John Tunnell. Together, they bring over 30 years of experience and a shared belief that the best results come from sharp thinking and long-term relationships.
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Our Latest News & Insights

'Big Picture' Regional Thoughts
Upstream & Downstream
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The separation of Church and State — and why refining, not drilling, is quietly calling the shots.

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'Big Picture' Regional Thoughts
Moral Cover vs Moral License
05 January, 2026

When enforcement becomes selective, deterrence turns into permission.

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'Big Picture' Regional Thoughts
HSFO: The Marker to Watch for 2026
29 December, 2025

Japan’s quiet nuclear return may redraw the marginal demand line for legitimate high sulphur fuel oil.

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Trusted by over 250 Professionals.