POSH Home Cleaning & Sanitizing | Home - Ontario's Most Award Winning Home Cleaning Service! The most trustworthy, pleasant staff you will encounter! We are an independent, owner-operated, locally servicing Hamilton and Halton regions. The most trustworthy, pleasant staff you will encounter! Posh is big enough to be dependable and always show up, but small enough to provide you with a truly personalized level of service. Each of our Cleaning Technicians meets our rigorous standards for Quality of Service.