Groysman was in Ottawa on Tuesday meeting with Canadian Prime Minister Justin Trudeau.
Manafort and Gates were charged Monday with the laundering of $21 million US through a tangled web of offshore companies and American real estate deals.
They were indicted under U.S. law with concealing the origin of their money and failing to register while lobbying for a foreign government.
Groysman said his government has not been contacted by special counsel Robert Mueller's office or U.S. law enforcement.
"We haven't received any requests for information in this regard, but if we receive a request we will, of course, provide the information we have," Groysman said.
Not all information in the world about Ukraine is true to the fact.".
"We need support for the [economic] transition that has been taking place in Ukraine over the last year," he said. »