The boardroom of Crowley Millar is lit up with a striking painting of the rooftops of Istanbul. The table in front of the picture is surrounded by ten seats – one for each of the ten partners in the Irish-owned law firm which has just merged with JR Sweeney, a boutique law firm founded by veteran solicitor Joe Sweeney. The painting is by Garrett Cormican, a noted artist and curator, who started his career in the law as a trainee solicitor with Crowley Millar in 2005. “It is part of a triptych that was hanging in our old office for…