Gronbek Security Home ›› Local Listings ›› WA ›› Fremantle ›› Gronbek Security WA Business Services Welshpool, WA 6106 Tina Bennett(08) 9433 3311https://www.gronbeksecurity.com.au Family owned Master Locksmiths, Safe and Security Technicians keeping Perth safe for more than 30 years. As one of the largest residential and commercial locksmith businesses in Perth, with 8 fully stocked service vans, we have a range of services and products to safely lock up homes and businesses. Our extensive industry experience and comprehensive knowledge of Perth has lead Gronbek Security to offer a quality product range we know will suit your needs.