Working worldwide with
Co-brokers

connecting people, ships and opportunities

When strong deals require cooperation

  • 50+ years of combined experience

  • 50+ years of combined experience

  • 545+ successful transactions

  • 545+ successful transactions

  • Global network of Buyers and Sellers

  • Global network of Buyers and Sellers

Adrem Shipbrokers advisers Madeleine Kooy and Dyanne Thorn Leeson standing next to each other
Adrem Shipbrokers advisers Madeleine Kooy and Dyanne Thorn Leeson standing next to each other

When Co-brokers work together

In theory, co-brokering sounds simple: two brokers, one client, one deal. In practice, it’s rarely that smooth. Different expectations, unclear agreements or incomplete information can easily slow things down, or worse, create friction between professionals who should be working side by side.

We’ve seen good deals stall not because of the market, but because communication failed or roles weren’t clear, and that’s a shame because collaboration should simplify the process, not complicate it. Good maritime deals deserve transparency, discipline, and respect between brokers.

Each co-broker brings real value to the table, with a deep understanding of their client, culture, and mindset. Together, this creates stronger positioning, better alignment, and ultimately better results for the client.

Why work with a co-broker?

The strongest ship sale opportunities are not always found within one broker’s immediate network. By combining trusted relationships, local market intelligence, and direct access to clients, co-brokers can extend reach and create better opportunities for Buyers and Sellers.

We believe that strong maritime transactions arise when specialists work together and value is distributed fairly. Co-brokering only works if agreements are clear in advance and are adhered to throughout the process. Transparency, mutual respect, and speed form the basis for this.

That is why we invest in long-term partnerships with co-brokers who apply the same professional standards. Clear communication and taking responsibility for the joint process create trust across multiple transactions. This makes collaboration predictable and sustainable.

The shipbroking process:

Step 1

set the course

We discuss your vessel, goals and timing. Together we determine the best route to market.

Step 2

negotiate with guidance

We have qualified Buyers and Sellers and guide you through each negotiation to protect your interest.

Step 3

close with confidence

We coordinate all segments of the sale to assure a smooth delivery.

High waves and calm seas, we navigated a few sales cycles:

50+

combined
years

545+

Successfull
Transactions

12.500+

Valuations
Worldwide

Two Adrem Shipbrokers representatives wearing safety helmets at a working port
Two Adrem Shipbrokers representatives wearing safety helmets at a working portTwo Adrem Shipbrokers representatives wearing safety helmets at a working port

“Trust is everything”

Adrem Shipbrokers is led by Dyanne and Madeleine, experienced professionals who are active in the international shipping market on a daily basis. With a keen eye for market developments and attention to detail, they guide shipowners through complex decisions. They operate daily in a market where not everything is visible, but where experience and trust make all the difference. Their personal approach and short lines of communication ensure transparency, responsiveness, and peace of mind throughout the entire process.

Dyanne Thorn Leeson & Madeleine Kooy

Result of collaboration with a co-broker

The strongest ship sale opportunities are not always found within one broker’s immediate network. By combining trusted relationships, local market intelligence, and direct access to clients, co-brokers can extend reach and create better opportunities for Buyers and Sellers.

A clear co-broker structure prevents information leaks, ambiguity, and frustration among clients. By making clear agreements in advance about roles, communication, and responsibilities, the process remains manageable. This ensures peace of mind during the process and confidence among all parties involved. Instead, good cooperation leads to faster closings, better terms, and repeat business for both brokers.

This results in a more efficient process, natural flow, and a transaction that is completed professionally and in a controlled manner.