British Columbia’s construction clean tech sector has emerged as one of the province’s fastest-growing innovation engines, according to a new report from Scius Advisory.
The 2025 BC Construction Clean Tech Report identifies 212 active companies, an 85% increase since the firm’s foundational 2021 study.
The sector’s dramatic expansion reflects how quickly sustainability has moved from an optional feature to a market driver. Buildings account for 12% of BC’s operational emissions, with construction activities contributing an additional 1.6%, making decarbonization a priority under the province’s Energy Step Code and Zero Carbon Step Code. The result is a rapidly diversifying ecosystem of companies supplying low-carbon materials, advanced building systems, and technologies that reduce waste, emissions, and energy demand.
One of the report’s most striking findings is that growth did not come from a wave of new startups. Only eight companies were founded since 2021. Instead, existing BC firms expanded their offerings into clean tech, while others once considered peripheral have become central to the province’s decarbonization strategy.
The strongest expansion has occurred in modular and prefabricated construction, which is now BC’s largest category with 57 companies, $1.3 billion in annual revenue, and employing an estimated 23,000 people. Prefab manufacturers like Calmura Natural Walls and WaterDrop Systems are driving major gains in efficiency, waste reduction, and embodied-carbon performance.
The fenestration sector—windows, doors, glazing—remains a major contributor with 49 companies generating $403 million annually. Vancouver-based Miru Smart Technologies stands out with its self-tinting eWindows, named a 2025 World Economic Forum Technology Pioneer.
Another major shift is the surge in circular construction. In 2021, only a single BC company focused on deconstruction or reuse; today, there are 21, diverting large volumes of building material from landfills. Meanwhile, the green materials segment has exploded from one company to 15, led by innovators such as Hempworks and its carbon-storing hempcrete.
Sustainability software is also on the rise. Networking, Monitoring & Control systems, which optimize building energy use, represent only 11 companies but contribute $207 million in revenue, making them one of the sector’s most lucrative categories.
Despite the momentum, Scius highlights clear gaps. Only 33% of companies serve the industrial market, and fewer than 28% support refurbishment, both of which are areas poised for future growth.
With construction now accounting for 10.3% of BC’s GDP, Scius’s report suggests the province is quietly becoming a North American leader in clean, low-carbon building innovation. The sector is positioned to grow even faster as climate policy and market demand converge.
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