CRAFTMANSHIP
Precision engineering and top-tier materials
RELIABILITY
Timely delivery and responsive service
INTEGRITY
Transparent dealings long term partnerships
SUSTAINABILITY
Responsible sourcing & packaging practices
In honour of our Founders
QS Products was founded in 2001 with a clear vision—to provide South Africa with high-quality, affordable stainless-steel ironmongery and door controls. Built on a strong foundation of industry expertise and entrepreneurial drive, this venture has grown into a trusted name in the market. Mercury Fittings, established in 1992 by Andrew Osborne-Young, has played a key role in bringing premium hardware solutions to South Africa.
Looking to the future
Andrew Osborne-Young’s unwavering dedication to excellence has shaped both QS Products and Mercury Fittings into respected industry leaders. His passion, integrity, and commitment to quality continue to inspire us.
Today, his legacy lives on through his two sons, Alexander and Charles Osborne-Young, who have taken over the business and are leading itinto the future with the same values and vision.We remain dedicated to upholding the highstandards Andrew set and are grateful for the lasting impact of his leadership.
Key milestones in our journey
At the Heart of
QS Distribution
From our headquarters in Cape Town, Mercury Fittings CC proudly supplies the QS range of door handles, locks, and accessories across the Western, Eastern, and Northern Cape. Our dedicated fleet ensures efficient delivery and service, while our in-house team continues to uphold the values of quality, reliability, and precision that define the QS brand
Timeless Elegance with a Modern Edge
How a Constantia homeowner found the perfect match with QS Products 
Cape Town interior enthusiast Melissa Jacobs didn’t want fleeting trends. She set out to renovate her family home in Constantia with one goal in mind — achieving timeless elegance with amodern edge.
Design That Endures
Melissa began her renovation with a clear vision: she wanted hardware and finishes that would stay relevant over time.
"I didn’t want to follow a trend just for the sake of it,” she says. “I wanted fittings that would still look beautiful ten years from now.”
Her style leaned toward minimalist aesthetics, clean lines, and subtle sophistication — all of which needed to be reflected in her hardware choices too.
A Personalised Approach
This hands-on support allowed Melissa to feel confident in every decision made, knowing that her fittings weren’t just functional — they were part of the design story.
Melissa visited Mercury Fittings and connected with one of our architectural sales specialists — a decision that shaped the direction of her interior detailing
“They didn’t just sell me a product — they understood my vision. They took the time to explore my mood board, consider my colour palette, and recommend pieces that tied everything together.” - Melissa Jacobs
Understated Luxury, Thoughtfully Chosen
Melissa left with a curated selection of QS Products, including:
- Brushed nickel door handles
- Matching locks and cylinders
- Finishes aligned to her matte, modern palette
These details now act as subtle highlights throughout her home — complementing open-plan spaces, soft-toned walls, and carefully selected furnishings. Every touchpoint feels intentional and beautifully resolved
Inspired by Melissa’s approach?
Speak to our architectural sales team and bring timeless design into your own space with QS Products.
Designing with Intention: A Contemporary Workspace by Harper & Myles Studio
Modern functionality meets refined simplicity through QS Products
Claremont-based design consultancy Harper & Myles Studio was commissioned to oversee the interiors of a private legal office. Their goal: to deliver a workspace that balanced professional elegance with modern simplicity — an environment that felt both refined and practical
Clean, Purposeful Design
“We were looking for clean, functional hardware that would complement a modern workspace,” years from now.” said lead designer Jana Harper
With a client brief focused on clarity and restraint, the team at Harper & Myles began sourcing finishes that offered durability without compromising on visual harmony. Hardware was a defining detail.
Through consultation with Mercury Fittings, the design team was introduced to the QS matte black lever handle range — a bold yet refined choice that integrated seamlessly into the space’s design language.
The matte black finish stood out subtly against neutral surfaces, tying together custom joinery, soft lighting, and glass partitioning with effortless cohesion.
Function Meets Form
For Harper & Myles, the result was more than just a beautiful office — it was a space where every element, including the hardware, served a clear design purpose. QS Products proved to be the finishing touch that elevated the project from functional to exceptional.
The QS Products Fit
“The QS range worked perfectly with the overall concept — both visually and practically.”— Jana Harper, Harper & Myles Studio
Interested in specifying QS Products for your next design project?
Our architectural sales team is here to assist with tailored solutions that match your creative vision.