Opportunities in London for ACCA (Pakistan)

I did my ACCA in 2007 in Pakistan and moved to london a year ago. Although i have more than six years work experience but since this was all in pakistan, i am currently unable to find any job in london. If i apply for any junior roles, im considered over qualified and if i apply for senior roles for ACCA members, my work experience is not considered as enough or appropriate.

What should i do? is there any specific course or diploma which would help me in getting job?