The data company has extensively surveyed greenhouse gas emissions for the world fleet and is in the running to provide a global benchmark relating to such data.
"We're looking to assess the fleet's green standing is. Marine Benchmark has done a lot of work on that and we will be coming out with instruments to benchmark those issues and emissions going forward," said SSY chairman Mark Richardson.
SSY, of London, has bought a "significant" share of Marine Benchmark as it seeks to retain control of its own data, expand analysis, and establish new indices for shipping greenhouse gas emissions.
The move was announced a month after SSY invested in another technology start-up, Signal Ocean, which provides data for the dry bulk sector.
"We have a huge amount of data which is flowing through the veins of the company," said SSY chairman Mark Richardson.
"This is along the same strategy [as Signal Ocean], where we will be helping them [Marine Benchmark] to develop products. But will also be keeping in control of our own data, which I think is important. As a company, we don't want to just give this away to third parties and give away our true value," he said.