The 26-year-old impressed for K’Ogalo during their title-winning campaign, and has recently been linked with a move to the South African PSL.
Otieno is reportedly attracting interest from Black Leopards , the club who recently hired ex-Gor manager Dylan Kerr.
Goal understand that he has been signed by Aspire as part of the agency’s expansion into the African market
Aspire, which was founded by registered intermediary Greg Keenan in 1996, represent sportsmen across the world and also advises football clubs seeking international investment.
Nigerian starlet Funsho Bamgboye and Guinea international Ibrahima Aminata Conde are other African talents on the agency's books.
Otieno, who has recently been used by Gor and Kenya as a right-back despite making his name as a defensive midfielder, was also linked with a move to Tanzanian giants Simba SC earlier this month.
He’s represented the Harambee Stars five times in 2018, notably excelling as Sebastien Migne’s side closed in on Africa Cup of Nations qualification.
Otieno signed for Gor from Ushuru FC in January 2017, and represented the 17-time Kenyan champions in the CAF Champions League and Confederation Cup in 2018.