ABOUT
Setting the Standard in Window & Door Replacement
What WE DO
At King & Co, we do more than replace windows and doors—we elevate buildings. With over 20 years of experience, we specialise in strata, commercial, and residential projects, delivering work that’s as seamless as it is durable.
Founded by Brett King, a licensed residential and Class 2 builder, King & Co is built on a simple philosophy: do the job properly, use the best materials, and make the entire process effortless for our clients
Expert Craftsmanship, Lasting Quality
In an industry where corners are often cut, we take the opposite approach. Led by a Class 2 builder, every project we take on—whether a strata upgrade, commercial fit-out, or home transformation—is treated as an investment. Our work is not only visually exceptional but also structurally sound, compliant, and built to last.
Fully licensed, fully compliant, and across all building codes and strata regulations, so you don’t have to worry about red tape.
Expert-Led, Experience-Driven
Led by a Class 2 builder with 20+ years of expertise, we bring technical know-how and a meticulous eye for detail to every project.
From initial consultation to flawless execution, we handle every detail—so you get a stress-free, seamless experience.
Respect for Your Space
We work efficiently, keep disruption to a minimum, and leave every site spotless.
Meet Brett King
The Name Behind King & Co
A builder by trade, Brett King has spent two decades refining his craft—delivering exceptional window and door replacements, unit renovations, and large-scale upgrades across Sydney. Holding both a Residential and Class 2 Builder’s Licence, Brett’s expertise ensures every project is executed with the highest level of skill and precision.
With a reputation for integrity, professionalism, and quality workmanship, Brett built King & Co to fill a gap in the industry—where clients could rely on a trusted team to deliver high-calibre results, without the unnecessary delays and complications.
Who We Work With
Whether you’re a strata manager, property developer, architect, or homeowner, we provide tailored solutions to meet your exact needs:
01
Strata Window & Door Replacement
02
Commercial Window & Door Solutions
Improving security, functionality, and aesthetics for business spaces.
03
Residential Window & Door Replacement
Providing high-quality, stylish upgrades for homes.
04
Unit Renovations & Conversions
Handling everything from balcony enclosures to full structural modifications.
Servicing Greater Sydney & Beyond
Based on Sydney’s Northern Beaches, we service Greater Sydney and beyond, tackling projects of all sizes—from individual upgrades to large-scale strata developments.
Let’s Talk About Your Project
Looking for a trusted team that delivers precision, quality, and reliability?