Giles, Clark Thomson and Carrick Neill scooped the awards at the Insurance Times event for Scotland's Top 20 independent brokers.
Insurance Times' research partner Grant Thornton revealed that Giles was the biggest independent broker in Scotland, while Clark Thomson was the fastest growing and Carrick Neill the most efficient.
The Royal & SunAlliance-sponsored reception attracted more than 100 Scottish general insurers, brokers and claims professionals.
