Gratte Brothers Group is one of the UK’s leading independent building services companies providing from one source, a complet ... e range of electrical, mechanical, security and commercial catering facility services. Originally registered in 1946, today the Group employs over 650 personnel and has a turnover in excess of £150,000,000 per annum. Gratte Brothers is assessed to the Quality Standard ISO 9001 and the Environmental Standard ISO 14001. read more