Boaz Studio Limited is a British interior design practice headquartered in Truro, Cornwall. Founded in 2018, the studio specializes in sustainable interior design across the residential, commercial, hospitality, and healthcare sectors. It is notable for being the first interior design practice in Cornwall to achieve B Corporation certification.History and leadershipBoaz Studio was founded in 2018 by Stephen Tozer, who serves as the lead interior designer. The studio's leadership team later expanded to include designer Alice Nightingale.In May 2023, the firm completed its assessment to become a Certified B Corporation, recording an overall B Impact Score of 89.6. This certification recognized the firm's compliance with social and environmental performance standards, making it the first dedicated interior design studio in the region to hold the status.Design philosophy and servicesThe company operates under a philosophy that emphasizes eco-friendly design solutions, ethical material sourcing, and biophilic design principles to improve indoor air quality and user well-being. The studio regularly advocates against short-term, "trend-led" interior design practices in favor of sustainable, long-term performance and durability.Boaz Studio offers end-to-end design and project management services. Its operations include initial on-site spatial consultation, 3D computer-aided visualization, and the formulation of finishes, fixtures, and equipment (FF&E) packages. For corporate clients, the firm also develops custom branded interior environments and graphic layouts.Notable projectsThe studio has undertaken design commissions across the United Kingdom, with a primary concentration in the South West. Significant projects include:St Mellion Estate Health Club Gym (Saltash, Cornwall) – A biophilic gym interior featuring a bespoke topographical wallcovering mapping the local Cornish landscape.Derriford Hospital (Plymouth, Devon) – Interior planning for the Bigbury Orthopaedic Surgical Suite and a pediatric emergency department waiting area.The Lighthouse Writer's Space (Falmouth University, Cornwall) – A dedicated creative installation for academic and literary use.