(ShareCast News) - Utility cost management consultancy Utilitywise has signed up 150 clients to its Energy Savings Opportunity Scheme.The London-listed group said the new clients included online property portal Zoopla Property Group and consumer group Which?"There are nearly 14,000 businesses that should have started on the road to ESOS compliancy by 5th December, but by our calculations less than 5% of those eligible have committed to starting the process," said group director Ashley Guise."Utilitywise has recently completed the scheme itself and the provision of this service both broadens the scope of our client base and our service provision, whilst demonstrating our familiarity of the changing regulatory landscape."Utilitywise shares were up 7.39% to 199.75p