bound4blue has closed a US$44 million funding round that will shift the company from technology validation into full industrialisation, positioning it to scale production of its suction sails for a market hungry for fast, proven decarbonisation tools

The round brings together major maritime investors including OCTAVE Capital, Katapult Ocean, Motion Ventures, the Odfjell family office and the ReOcean Fund, alongside continued support from existing backers.

The funding will support expansion of manufacturing capacity in Spain and China, enabling production of hundreds of suction sails annually.