Pros
In a nutshell, Quantiq is a great place.
Their portfolio of projects is very wide and rich spanning many industries and household names.
You have the freedom to develop, with the support needed to make it happen.
There are a lot of knowledgeable and helpful people who are willing to chip in without hesitation.
The culture is refreshing, driven by Stuart and focussed on giving you a workplace that is relaxed, and pleasing environment to work in. There is a vibrant social side of the business, which is aided by a great location in London.
Cons
Nothing that I can think of