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Embracing change, fostering innovation, and delivering superior value

At SII UK, we’re not only proud of our recognised expertise in digital engineering, but also of our company culture that values initiative, collaboration, and long-term commitment. We’re passionate about creating an environment where our people are empowered to grow their skills and develop their careers.

10 years of history...

SII Launches Its First UK Office in Stevenage to Meet Growing Global Demand

SII UK starts to work with leading technology partners providing expertise across technology sectors.

SII UK’s Strong First Year

In the first year SII UK saw rapid growth partnering with major Aerospace and Defence partners, Airbus and MBDA to meet growing demand.

New Office for SII UK in Farnborough

Demand for our services saw SII UK acquire a new office in Cody Technology Park, Farnborough.

SII UK Delivers First Work Package

SII builds on current capability with our first work package with SII UK responsible for the execution and delivery; project planning, reporting and milestone compliance.

SII UK Expands Technical Expertise

SII UK expanded its technical expertise with the introduction of hardware and electronic engineering services.

SII UK Launches Bristol Service Centre

As part of our continued global partnership with Airbus Commercial, SII UK has launched a new service centre delivery model based in Bristol to enhance local support.

SII UK in a few figures

£8.6M

2025/26 Revenue

100+

Employees

A STRONG, SUSTAINABLE CORPORATE CULTURE

At the heart of SII UK is a culture built on collaboration, integrity, and technical excellence. We work hard to foster an environment where our people are trusted, supported, and empowered to make a difference. Our values – trust, commitment and accountability, transparency, and passion and creativity – guide everything we do, from how we deliver projects to how we develop our people. These principles not only shape our day-to-day operations but also drive our long-term growth and the lasting partnerships we build with clients and colleagues.

Our values

Trust

At SII UK trust is fundamental to everything we do. We trust our people to get their work done and to engage with the culture of our company. In return, SII UK provides an environment that cultivates development. This results in assignments aligned with our people's aspirations, opportunities for training and career development, and a chance to really impact how SII UK grows and evolves.

Commitment and Accountability

At SII UK we don’t have multiple layers of hierarchy. Everyone is given appropriate responsibilities for their level, role and assignment. We strive to encourage curiosity and creativity by allowing space for action and room to make mistakes. Internal career development is championed at SII UK. We are committed to taking corporate social responsibility seriously and being committed to diversity, equity, and belonging. We are deeply committed to corporate social responsibility and fostering a diverse, inclusive culture where everyone feels valued, empowered, and inspired to make a positive impact.

Transparency

At SII UK transparency is essential and part of our DNA. We communicate our objectives and results with our employees, shareholders and clients in an open and clear way.

This culture of transparency is key throughout the recruitment process. We have open channels of communication with our candidates and share what life is like at SII UK.

Passion and Creativity

This is the core of SII UK. We were built around engineers with a passion for engineering that shapes the world of tomorrow. We encourage our people to be inquisitive and creative in their work, to be ambitious and challenge the status quo. As, at SII UK we know that these qualities are fundamental in driving quality and innovation forward.