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Uniting the best in building consultancy. Engineering a sustainable tomorrow.

GSBC is building a leading platform for sustainable building consultancy by bringing together specialist firms with a shared mission: to engineer better buildings through low-energy and high-performance design.

Each company within the group brings specialist expertise in sustainable strategy, master planning and smart building solutions, underpinned by strong technical capability in mechanical, electrical, and public health (MEP) systems.

Together, they will support clients throughout the entire lifecycle of their building assets, from early-stage design through to post-occupancy performance optimisation.

Services include energy audits, advanced building performance simulations, and AI-enhanced IoT-enabled monitoring, helping clients optimise energy use, ensure regulatory compliance, and achieve higher standards of environmental performance.

GSBC is driven by expert teams across the UK and internationally, all committed to state-of-the-art digital tools, rigorous design standards, and strong client relationships. It invests in talent development and enabling technologies to maximise value, efficiency, and long-term impact across every project.

We’re backed by
GSBC’s growth and strategic direction are supported by a network of experienced investors who also founded Ansor, bringing deep expertise in building and scaling high-performing businesses across multiple sectors.

Their strategic insight enables us to make targeted acquisitions that strengthen the capabilities of our platform and accelerate progress across the sustainable buildings sector.

Our investors identify opportunities through rigorous data analysis, focusing on areas where we can develop market-leading consultancies, powered by innovative technology and long-term impact.

With a strong focus on the SME consultancy space, Ansor recognises the opportunity to support growth, unlock value, and amplify the expertise of specialist firms within the built environment.

Are you ready to power up?

Whether you’re looking to grow, scale, or take your consultancy to the next level, GSBC is here to help power your next chapter.

We partner with ambitious, specialist firms that are ready to be part of a growing platform of best-in-class consultancies — all focused on engineering better buildings and shaping a more sustainable future.

If you’re exploring new opportunities or simply curious about how joining GSBC could support your long-term vision, we’d love to start the conversation.

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