In 2005 as spokesperson for G8 Alternatives he helped win the right to march on the G8 Summit in Gleneagles. In 2006 during the Israeli invasion of Lebanon, US planes were landing at Prestwick airport carrying munitions for Israel. Aamer raised the prospect of legal proceedings against the British Government for alleged complicity in war crimes and led demonstrations of protest.

In May 2006 he was the only Asian to make it to number 64 in the Firm Magazine’s top 100 most powerful people in law. . He has built a fearsome reputation in cutting edge civil liberties law. In September 2005 Aamer became partner in his criminal defence law firm, and for two years in a row went on to be awarded the Criminal Law Firm of the Year, ‘recognised by the judges for regularly putting his head above the parapet and for doing important legal work’. At 39 years old, he is the still the only Asian to have been recognised for achieving in mainstream law in Scotland. Branching out on his own in 2006, his firm is considered to be a benchmark for excellence when it comes to fighting for human rights.