Pros
Not many pros except some fun people to work with that make the really tough days somewhat easier. Although you will find initially that Bell Pottinger staff all have a certain façade so it takes a while to get to know people but you should find some nice people!
Cons
The worst atmosphere of anywhere I have ever worked. Mainly due to quite a lot of senior staff who go out of their way to make managers and execs lives incredibly hard. Partners and APs are under a lot of pressure to bring in new business and it's left to the rest of the under-resourced team to run accounts. About 75% of staff are white, upper middle class and privately educated with no concept of real life. If you don't fit into this then you will find it difficult to get promoted and will instead likely to be overlooked. Clients seem to buy into the 'Bell Pottinger way' originally and this opens doors but after a while the all talk approach and lack of results mean that accounts are consistently lost. Everyone is completely overstretched - the CEO and senior staff clearly want to reap in profits rather than invest in more mid-level and junior staff. Burnout is frequent and young graduates find it impossible with many unhappy staff. As a result, turnover is very high. Clients aren't as 'blue-chip' as what one might expect.