Benefits package is very extensive and it covers a lot of essential things.
Grant Thornton have a great culture with regards to flexible working arrangements, these range in formality across teams but often or not are consistently applied.
Private medical insurance, buy additional holiday, matched employer pension contributions, other benefits can be chosen at a cost. Worst thing - most choices can only be changed once a year.
Up to 8% employer matched pension contributions and basic medical insurance included.
Decent annual leave (ability to buy and sell annual leave days), pension, discounts
Worst thing: Choices are only available during a 2 week window once a year. I.E you cannot buy any extra holiday or take out health insurance at any other point other than the 2 weeks in November.
A lot of useful benefits and very flexible. Annual leave can be bought for extra holidays.
I think the best thing is that its specific for you - you are able to pick and select your benefits yourself.
For a large corporate business it's benefit package is far less attractive then it's primary competitors. However, it appears that they are trying to improve this every year.
Best is you can buy holiday days. Worst is the health insurance provider is not Pru Health
List based on reports from current and former employees. It may not be complete.