When, over one summer, you’ve played a pivotal role in the sale of two of the biggest football clubs in the world – Chelsea and AC Milan – and in one of the coolest commercial sponsorship deals in global sport ever – FC Barcelona and Spotify – it would be understandable if your reception area displayed some trophies of battle. Not here it seems; apart from a big screen that carries a predictably worded, if impressive, credit-roll of client testimonials, the entrance to the business is underwhelming.  The Limerick man who led that work, Ian Lynam, is just 44 and his…