About us

Empowering a Smarter, 
Greener Future

Transforming Wireless Lighting Connectivity

The S4i Advantage

True Interoperability

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From startups to the world’s largest companies

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Our Story

We’re just getting started

S4i was founded on a simple belief: the future of infrastructure will be connected, intelligent, and interoperable. Across cities, campuses, and industrial environments, lighting systems are rapidly becoming digital infrastructure. Sensors, networks, and control platforms are transforming buildings and public spaces into connected environments that generate valuable operational data. Yet integrating these technologies often remains complex, fragmented, and vendor-locked. S4i was created to solve this challenge. Rather than acting as a traditional lighting controls vendor, S4i operates as a technology partner, designing and integrating the hardware, software, and operational systems required to modernise infrastructure at scale. Our focus is on enabling organisations to deploy smart lighting and connected infrastructure that remains open, flexible, and resilient over time.

Building the foundation for connected infrastructure At the core of S4i’s approach is the belief that infrastructure should not be limited by proprietary ecosystems. Instead, systems should be able to communicate across technologies, integrate with operational platforms, and evolve as new capabilities emerge.

To achieve this, S4i developed its Integration Broker platform — a middleware architecture that connects multiple lighting and control systems, normalises data, and enables infrastructure to be managed through standard interfaces without mandatory cloud dependence.

Combined with purpose-built edge hardware, firmware engineering, and application-layer software, this platform allows

S4i to deliver truly interoperable systems across smart buildings, industrial environments, and smart city infrastructure.

The road ahead As cities and organisations pursue digital transformation, energy efficiency, and decarbonisation, infrastructure will increasingly depend on open architectures and interoperable systems. S4i is building the technology foundations that make this possible.

By combining proprietary hardware, advanced integration platforms, and deep engineering expertise, S4i enables organisations to deploy smart infrastructure that is vendor-neutral, secure, and ready for the future. And we are only just getting started.

Our team

Leadership team

We’re a cross-disciplinary team that loves to create great experiences for our customers.

Contact Us
Allie Howard

Allie Howard

Founder & CEO

Former co-founder of Opendoor. Early staff at Spotify and Clearbit.
Steven Yang

Steven Yang

Product Manager

Former PM for Airtable, Medium, Ghost, and Lumi.
Tim Yu

Tim Yu

Product Manager

Former PM for Airtable, Medium, Ghost, and Lumi.
Maxwell Jia

Maxwell Jia

Frontend Developer

Maxwell Jia is a technology professional at S4i Integration, with a background in full-stack development and data science. He holds a Master of Computing (Data Science) from the Australian National University. Maxwell brings hands-on experience in building and supporting modern digital systems, with a strong focus on practical problem-solving and user-centered solutions. His technical expertise includes .NET, Next.js, PostgreSQL, and cloud platforms such as Microsoft Azure. At S4i Integration, Maxwell contributes to the development and integration of smart systems, working across both technical implementation and system support. He is particularly interested in bridging software systems with real-world applications, including smart environments and automation. With a combination of technical knowledge and a collaborative mindset, Maxwell is committed to delivering reliable and scalable solutions that meet both business and user needs.

Our Values

Sustainability & Innovation

We combine engineering innovation with sustainable design to create infrastructure that is efficient, resilient, and built for the future.