River line Ama is one of three new supplier members, the others being small group Italy touring specialist Magari Tours and Asia-focused tailor-made operator Indus Experiences.
Luxury agency Berry Travel, meanwhile, is one of two new Aito agent members, along with Inspire, which has grown its homeworking cohort to 50 and operates two high street branches.
Inspire managing director Lisa Henning said Aito membership would put "a vast portfolio" of niche and differentiated product at its agents’ disposal "to interest their clients and drive more bookings".
Aito has also welcoming five new business partners – bed bank WebBeds, FX specialist Smart Currency Group, Expedia Taap, travel management platform Spark Travel and financial admin platform Felloh.
The association said it anticipated more new signings in the coming months. "By 2030, Aito aims to reach 150 tour operator members," it said.
Of the new additions, Martyn Sumners, Aito executive director, said: "Their expertise and commitment to providing high-quality, specialist travel experiences align perfectly with AITO’s values."
He added: "With many more members set to join, we are well on our way to achieving our 2030 growth target, which will significantly enhance our ability to support travellers seeking unique and personalised travel experiences."
