Signature London has swiftly established itself as one of London’s most respected fit-out specialists, combining technical precision with a sharp commercial mindset to deliver high-quality interior solutions for the most discerning clients. With a business model rooted in sustainable growth, strategic partnerships and project delivery excellence, Signature has earned its place at the forefront of London’s competitive interiors landscape.
Co-founded in 2019 by Gary Robbins and Martin Byrne – both longstanding collaborators in the construction sector – the company was built on a foundation of deep industry experience, shared values, and a strong sense of family. These values were first instilled by Stewart Robbins – father to Gary and Martin – who guided their early experiences in construction through his own building company. His legacy and work ethic continue to inspire the brothers today, and he remains actively involved in the business as a company director.
The company draws strength from its family-led origins, which have instilled a culture of loyalty, trust, and long-term thinking. These core values have been instrumental in shaping a scalable and profitable business model – one that prioritises relationships as much as results. Both Martin and Gary continue to play a pivotal role in shaping the business alongside Managing Director, Tom Allen, whose arrival in 2022 marked a critical point in the company’s scale-up trajectory. Today, Signature is defined by more than just its leadership. It’s a collective force of specialist expertise, known for its consistency, creativity, and rigorous approach to delivery.
Recent recognition at the CN Specialists Awards 2025, where Signature has been shortlisted in the highly competitive Interior Fit-Out category, is a reflection of the company’s growing influence across the market. But for the team behind the name, success is measured not just in accolades, but in relationships: delivering repeat work for high-value clients and adding measurable value at every phase of a project.
Nowhere is this more evident than in its headline projects, which demonstrate not only its design and delivery capabilities, but also its ability to navigate complex stakeholder environments and deliver with precision under pressure. At 23 Savile Row, working on behalf of Lazari Investments, the company undertook a comprehensive transformation of the building’s reception, front facade and central atrium. Precision sequencing, ongoing tenant liaison, and close coordination with a leading architectural practice culminated in a result that both met and exceeded the expectations of high-profile occupants in one of London’s most premium postcodes.
Similarly, at Shropshire House, the team delivered a multi-phased Cat A and Cat B fit-out while maintaining full building occupation. Every aspect – from sequencing works to value engineering – was carefully considered to minimise disruption while maximising commercial impact. Greater London House, another standout project, showcased their ability to inject new life into a historic building without compromising its architectural integrity, demonstrating a sensitivity to both form and function.
Ferguson House also stands as a key example of Signature’s capabilities and has earned the company its nomination at the CN Specialists Awards 2025. This complex fit-out demonstrated the firm’s unwavering attention to detail and ability to deliver premium results in high-pressure environments. From managing tight logistics to accommodating evolving client requirements, Ferguson House reflects the calibre of delivery that has become synonymous with the Signature name.
Its growth strategy is far from accidental. It is the result of deliberate choices about which clients to partner with, which projects to pursue, and how best to deploy the company’s deep expertise. The leadership team has developed a smart scaling model – one that ensures each new project strengthens the Signature brand rather than stretching its resources thin. This discipline is one of the key reasons the firm continues to attract opportunities from top-tier landlords and developers across London.
This strategic edge extends to the company’s supply chain. Rather than relying on a traditional preferred supplier list, it instead cultivates long-term partnerships with sub-contractors that share its uncompromising standards. Many have worked with the company for a decade or more, delivering consistent quality across projects large and small. This loyalty isn’t just appreciated, it’s part of the delivery model, contributing to predictability in outcomes and exceptional standards of execution onsite.
Internally, the company fosters a culture of accountability and innovation. The business is structured to support collaboration between project managers, commercial teams and supply chain partners from day one, ensuring every stakeholder understands the desired outcomes and is equipped to deliver. This proactive communication culture underpins their reputation for delivering on time, on budget, and beyond client expectations.
Sustainability also plays an increasingly visible role. As a member of the Circular Do Tank, Signature continues to explore practical ways to embed circular economy principles into its operations – not just to tick boxes, but to lead by example in a sector under pressure to evolve. This includes reusing materials where feasible, reducing site waste, and working with clients and designers to specify products that support long-term environmental performance.
Looking ahead, the company isn’t chasing aggressive growth for growth’s sake. It is scaling with intent – targeting projects and clients that align with its values and delivery strengths. For Signature, fit-out isn’t just about finishing space; it’s about shaping environments that reflect excellence from the inside out. Whether it’s a high-rise commercial refurbishment, a boutique office transformation, or a bespoke Cat A+ development, every detail is scrutinised, every finish refined.
In an industry often defined by short-term wins and rotating partnerships, Signature London stands apart. Quietly confident, commercially smart, and committed to delivering interiors that leave a lasting impression long after the ribbon is cut. With a solid leadership team, loyal collaborators, and an expanding portfolio of success stories, Signature isn’t just part of the conversation – it’s setting the tone for what fit-out excellence looks like in London today.
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