1981 to 1990:

Quinplex founder and Managing Director David O'Brien completes 9 years Police Service

1990 to 2001:

David sells out his share holding in Anchor Security Services after 11 years as MD developing this business into a £5 million turnover, top tier guarding company

2002 to 2009:

David forms O'Brien Security Group Ltd and commences developing a new, rival security guarding business

2003 to 2009:

In response to his frustrations with builders on his own building projects David forms handymanpower.com a building maintenance and repair business to the domestic and commercial sectors

2007 to present date:

Quinplex is incorporated and the security, construction, maintenance, grounds maintenance, handyman activities and commercial cleaning activities are merged under the one brand