Following the acquisition announcement earlier this year, Aventum has confirmed that specialist Marine MGA Post & Co has received regulatory approval to begin writing business as part of Rokstone, Aventum’s international specialty (re)insurance MGA.
The milestone marks an important step in Aventum’s continued international expansion, strengthening its presence across Continental Europe while adding more than 100 years of specialist marine underwriting expertise to the Group.
Post & Co complements Rokstone’s existing Marine capabilities across the UK, North America and Asia, further strengthening Aventum’s specialist offering and global reach.
Building A Global Marine Proposition
Post & Co is one of Continental Europe’s most established marine underwriting businesses. Headquartered in Rotterdam, with further offices in Groningen, Antwerp and Frankfurt, the business brings together deep technical expertise and long-standing relationships across the European marine market. Its specialist portfolio includes:
Backed by Lloyd’s and specialist company market capacity, the Post & Co team brings significant underwriting expertise and an established network of clients and brokers across Europe. As part of Rokstone, the business will retain its specialist expertise and heritage while benefiting from the scale, technology and international platform of Aventum.
Strengthening Aventum’s International Platform
Marine is already one of Aventum’s most important classes. Strengthening capability here is intentional.
With operations spanning multiple international markets, Aventum provides its businesses with the scale, infrastructure and technology to support sustainable growth, while allowing specialist teams to remain close to their markets and clients.
For Rokstone, the addition of Post & Co strengthens its Continental European Marine capability and creates further opportunities to develop solutions for brokers and clients across the region.
James Potter, Chairman at Rokstone, said: “We’re delighted to announce that Post & Co has now received regulatory approval to begin writing business as part of Rokstone. Led by Roderick Post, the Post & Co team will play a key role in shaping our marine proposition across continental Europe and supporting the continued growth of our global marine operations.”
For Post & Co, becoming part of the Aventum Group creates a platform to build on its heritage while exploring new opportunities for growth. Roderick Post, CEO at Post & Co, said: “We’re excited to accelerate our ambitions and play our part in the development and expansion of Rokstone’s global marine proposition. We’ll build on our core strengths and heritage, as well as seeking strategic opportunities to expand into complementary areas and deepen relationships.”
Looking Ahead
With regulatory approval now secured, Post & Co can begin the next phase of its journey as part of Rokstone and the wider Aventum Group.
The combination of Post & Co’s deep marine heritage, Rokstone’s specialist underwriting capabilities and Aventum’s global platform creates a strong foundation for continued growth across Continental Europe and beyond.
For Aventum, it represents another step in building a connected global platform of specialist businesses – bringing together expertise, technology and scale to create opportunities for our people, partners and clients.
