A production company has introduced "unlimited" annual leave in a bid to reward staff and maximise productivity.

Big companies such as Netflix, LinkedIn and Goldman Sachs have introduced some unlimited paid holiday leave in recent years.

Cardiff-based EatSleep Media, which has 13 staff, said it was about "giving power back" to them.

An expert said empowering employees improved morale, but clear expectations were necessary.

EatSleep, which makes documentaries, podcasts and online videos, said it asked its team to work "very flexibly", including on evenings, weekends and sometimes abroad.

Co-founder Alex Feeney said: "We ask a lot of them, and there are some long days in there, so to not offer some flexibility in return didn't seem quite right."

He said they always told new staff "we're not here to parent them" and that they want employees to be treated like adults in their work.

"So, if we're empowering them to do that, why wouldn't we do that with other aspects of the work-life balance?" he said.

He added when staff came to the end of a big project they could be a bit "fried" and the firm didn't want them to worry about whether they could then book time off or whether they needed to save annual leave.