Orostream International Contracts Ltd

Orostream International Contracts Ltd (OSi) is a UK specialist in secure environment construction, refurbishment, fit-out, and M&E services worldwide. Founded in 1982 and established to meet the infrastructure demands of specialised mainframe computer environments, OSi has built a reputation over more than 40 years for delivering high-quality projects. This background required a multi-disciplined approach, integrating power, security, climate control as well as complex building infrastructure and communication systems expertly into projects with speed, precision and reliability.

Today, OSi brings that same integrated, 'one-stop-shop' mindset to every project. From secure environment construction to bespoke refurbishments and fit-outs, they combine general construction expertise with in-depth building services knowledge to deliver high-quality results seamlessly. Working across the UK and internationally, every project is overseen by a Director with full decision-making authority, supported by dedicated project management and logistics teams with the appropriate levels of security clearance, ensuring accountability, confidentiality, agility and a consistently high standard of delivery.

OSi is committed to providing a first-class service where time, quality, and client satisfaction are always the priority. They are proud to be an Employee Owned Company since 2020, fostering a unique culture of ownership, accountability, and collaboration. This collective passion and responsibility ensures clients partner with a company where people care deeply about delivering the very best results.

Health and safety are at the core of everything they do, with rigorous procedures and a commitment to safeguarding wellbeing. Sustainability is also embedded in their operations, aiming for net zero carbon emissions by 2050.