At SJI we deliver successful and sustainable developments to benefit local communities and key stakeholders.


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SJI has passion, humanity and experience to deliver successful major mixed use developments

Working in Partnership

SJI embraces and works with the key stakeholders to deliver successful developments


The team at SJI have over 40 years of experience in delivering over 500 successful developments in the UK

Joint Venture

SJI and Gemini have formed, G&S Real Estate, with 80 years of experience delivering over £5bn of developments, to provide innovative development solutions addressing housing needs in the UK

Making an Impact Across the UK

The Team at SJI have worked on major developments throughout the UK which have stood the test of time