Fresh from inking a new deal that will tie him to the Wests Tigers until the end of 2014, Tim Sheens revealed that he still has some unfinished business at the club.

Sheens knocked back a huge offer to return to Penrith, reportedly worth $2 million over four years, in favour of a three-year deal with the Tigers and he admitted a big factor behind his decision to stay was the impressive young group of players coming through.

Now in his ninth season at the club, Sheens guided the Tigers to the 2005 premiership with a talented team built around young stars headed by Benji Marshall and Robbie Farah, both of whom remain key figures.

"I'm really pleased with my decision, I have a lot of unfinished business here which I'm looking forward to tackling," the Australian coach said in a statement.

Club chief executive Stephen Humphreys admitted he felt some relief: "We're very pleased of course, but I don't mind admitting I'm a little relieved as well," Humphreys told AAP.

"At the end of the day Tim had a few things to way up.

"We're all pleased he's decided to stay at Wests Tigers and complete some of the business that he's been heavily involved in to date.

"I know he's very keen to continue to develop the exciting young talent coming into the side and that will emerge for the next year or two in first grade.

"I know that was a motivating factor for him to stay. He's worked closely with the more senior players in this group for a few years too, so he wants to see the results of that as well."

Humphreys said the fact Penrith had weighed in with a hefty offer eventually worked in the Tigers' favour.

"Clearly the Penrith offer was a very tempting one, both in financial terms and in it's length of term," he added.

"It was an offer that certainly made him stop and have a think about it.

"But in hindsight it was probably welcome (by Wests Tigers) in some respects, sometimes you need a tangible alternative to realise what's important to you and help you weigh up what you want."

Humphreys also confirmed that Sheens would see out all three years as coach - contrary to reports which suggested the veteran mentor would be moved towards a coaching director role.

"The reports (that he would be considered as a coaching director in this contract) were off-the mark," Humphreys said.

"I can see Tim fulfilling such a role in the future of course, but right now he's just too effective as an NRL coach to take him away from that."

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