Business Details
Trusted Construction Contractors in London
Sullivan Brothers (SBC) is a London-based family enterprise with over forty years of expertise in commercial, residential, heritage, and public sector projects. Our commitment to excellence is reflected in our meticulous approach to new builds, renovations, and refurbishments, ensuring strict adherence to building regulations and standards. We prioritise teamwork, integrity, and loyalty, delivering projects on time and within budget through collaborative client relationships and clear communication. Our in-house team of skilled tradespeople and long-term supply chain partnerships guarantee quality control and innovative solutions tailored to each project's unique requirements.With a proven track record in complex developments, we combine traditional craftsmanship with modern methodologies to exceed client expectations. Our dedication to professional service has earned a high referral rate and a reputation for reliable project management. As we expand our capabilities, we remain focused on pushing construction boundaries while maintaining superior quality and innovation.
Services
Commercial Construction
Residential Projects
Heritage Restoration
Public Sector Works
Design and Build
Highlights and features
- We offer 40+ years of construction expertise in London's residential and commercial sectors
- Our collaborative approach ensures client needs are prioritised throughout the project lifecycle
- In-house team of skilled tradespeople guarantees quality control and timely delivery
- Proven track record in complex public sector and heritage restoration projects
- Comprehensive design-and-build services tailored to individual project requirements
Services
Commercial Construction
Sullivan Brothers delivers tailored commercial developments across London and the Home Counties. Our expertise includes office complexes, retail spaces, and industrial facilities, with a focus on budget optimisation and value engineering. We employ collaborative project management to ensure timely delivery while maintaining strict quality standards through our integrated supply chain partnerships.
Residential Projects
We specialise in high-end residential developments including new builds, complete renovations, and property refurbishments. Our approach combines traditional craftsmanship with modern techniques to create bespoke living spaces that meet exact client specifications. From single-property transformations to multi-unit developments, we maintain rigorous quality control throughout the construction process.
Heritage Restoration
Our heritage specialists preserve architectural integrity while implementing modern upgrades for historic buildings. With deep respect for original design elements, we execute restoration projects that balance conservation requirements with contemporary functionality. This includes adaptive reuse of listed buildings and sensitive redevelopment of culturally significant sites across London.
Public Sector Works
SBC delivers public infrastructure projects requiring strict compliance with government standards and community impact considerations. Our experience includes educational facilities, civic buildings, and social housing developments. We employ flexible scheduling and access management strategies to minimise disruption in operational environments while maintaining collaborative relationships with local authorities.
Design and Build
Our integrated design-and-build service provides end-to-end project management from concept to completion. This streamlined approach ensures cohesive planning, cost efficiency, and quality control across all sectors. Clients benefit from single-point accountability and coordinated execution of architectural vision through to final construction details.
People
Daniel O'Sullivan
Chairman
With over four decades of construction industry leadership, Daniel O'Sullivan guides strategic direction while maintaining the family business's founding principles of quality and integrity in London's built environment.
John O'Sullivan
Joint Managing Director
As co-leader of SBC's operations, John O'Sullivan oversees project execution across commercial and residential sectors, ensuring adherence to the company's exacting standards for craftsmanship and client satisfaction.
Michael O'Sullivan
Joint Managing Director
Michael O'Sullivan drives business development and strategic growth while maintaining hands-on involvement in complex project delivery across London's evolving construction landscape.
Katie Patrick
Finance Director
Katie Patrick manages financial operations and project cost controls, bringing strategic oversight to SBC's commercial management processes while ensuring fiscal responsibility across all developments.
Steve Donovan
Construction Director
Steve Donovan leads construction operations with extensive experience in managing large-scale projects, ensuring technical excellence and operational efficiency across SBC's diverse portfolio of works.
Questions
What types of construction projects does SBC specialise in?
We specialise in commercial, residential, heritage, and public sector projects across London and the Home Counties, including new builds, renovations, and design-and-build developments.
How long has Sullivan Brothers Construction been operating?
As a family enterprise, we have over forty years of combined experience delivering construction projects across London's evolving built environment.
What areas do you serve?
Our primary focus is London and the surrounding Home Counties, with extensive experience in both central and north London developments.
Do you handle both small and large-scale projects?
Yes, we manage projects of varying scales from single-property renovations to complex multi-unit developments while maintaining consistent quality standards.
How do you ensure project quality?
Through a combination of in-house tradespeople, vetted supply chain partners, and rigorous quality control processes throughout every construction phase.
Can you work on heritage-listed buildings?
Yes, we have specialist expertise in heritage restoration projects, balancing historical preservation requirements with modern functionality upgrades.
