The firm has inked a new three year broadcast agreement with the television channel.
"The broadened relationship complements our approach of targeting new customers via Mobile, TV and Online," it added.
NetPlay TV's chief executive Charles Butler said: "I am delighted to announce our new three year deal with ITV. We have been working with ITV since 2010 and this new agreement will significantly increase our customer reach.
"It is testament to the success of the format to date and will reinforce our proven strategy of using TV to target new customers. We look forward to working with ITV and further building on the significant success that has been achieved to date."
Shares rose 4.76% to stand at 19.25p.