There are private certifications eg [1] and review sites eg [2]. [1] http://www.electricalsafetyfirst.org.uk/find-an-electrician/ http://www.electricalsafetyfi

There are private certifications eg [1] and review sites eg [2]. [1] http://www.electricalsafetyfirst.org.uk/find-an-electrician/ http://www.electricalsafetyfirst.org.uk/find-an-electrician/ [2] http://www.mybuilder.com/ http://www.mybuilder.com/