About Us
Founded in 2000, Quinn London has excelled to become one of the leading main contractors in London by combining specialist expertise with a fresh-thinking ethos and a client focused approach to delivering excellence.
Building the future of London
We’re always keen to see the bigger picture, adding value to projects wherever we can by drawing upon our years of experience in delivering construction works across London. We have carefully expanded our operations to organically build skill and equity in our business and be more competitive in the market. As a result, we offer an invaluable reputation of certainty, reliability and transparency, meaning that with us, clients know they are in secure hands.
We're delighted to share that in 2025 we reached a huge milestone in achieving £109m revenue
We pride ourselves on our strong client relationships, transparent approach and providing the peace of mind that even the most complex of logistics are taken care of, as we work to build the future of London.
Delivering with purpose
Our people make the difference between good and great project delivery. Our experienced and knowledgeable teams have a zest and drive to get involved, breaking down barriers to work closely together to achieve the best possible solutions. Operating as one flexible and agile team, including partners, suppliers, and other stakeholders too, we’re passionate about doing business the right way and creating a built environment we can all be proud of.
I would like to extend my special thanks to the Quinn team, without them none of this would be possible. I found them to be kind, considerate and professional and always ready and able to assist whenever I needed help or had a question.
Resident Grahame Park Estate
Our Management Team
Seamus Quinn
Group Chairman
Seamus Quinn
Group Chairman
Seamus Quinn founded Quinn London in 2000. With his unwavering commitment to a customer-focused approach, he has expertly guided the company to remarkable success. Under his leadership, Quinn London has established itself as a reputable and trusted name in the construction industry, delivering standout projects and consistently exceeding customer expectations with unparalleled service.
Pat McGrath
Joint Managing Director
Pat McGrath
Joint Managing Director
Pat has worked at Quinn London since it was formed and held the role of Construction Director for a number of years before being appointed Joint Managing Director in March 2024. Pat has overall responsibility for the leadership and strategic direction of the company and is an accomplished professional who has worked in the industry for over 35 years. Pat's responsibilities include overseeing all aspects of Operational Delivery , Health and Safety , Compliance and Customer Satisfaction. Pat also manages all Commercial , Financial and Estimating functions working closely with the Board of Directors.
Gerry O’Connor
Joint Managing Director
Gerry O’Connor
Joint Managing Director
Having worked in the industry for over 40 years Gerry brings a wealth of experience and leadership to the company. Gerry's responsibilities include overseeing all aspects of Operational Delivery , Health and Safety, Compliance and Customer Satisfaction. Gerry also manages all support service departments within the company with a particular focus on delivery of our Environmental and Social Value commitments.
Mark Devon
Business Development Director
Mark Devon
Business Development Director
Mark as business development director plays a crucial role in ensuring the progression of the company. Mark works closely to develop relationships in the market to cultivate a strong project pipeline, driving the company's growth forward. His expertise and leadership in business development makes him a asset to Quinn London.
Imran Karim
Finance Director
Imran Karim
Finance Director
As the head of financial planning, analysis, and reporting Imran oversees all aspects of the company's financial performance, providing valuable insights and recommendations to support the company's growth, success and efficiency.
Paul Clement
Pre Construction Director
Paul Clement
Pre Construction Director
As the pre-construction director, Paul brings an unparalleled level of expertise and experience to the team at Quinn London. Paul's deep understanding of supply chain management, project estimating, planning, and the unique challenges of the London market, make him an important asset to the pre-construction phase of projects.
Eamon McConville
Group Company Director
Eamon McConville
Group Company Director
Eamon is a financial professional with a focus on ensuring the effective and efficient operation of financial reporting and planning at Quinn London. With his expertise in financial management, he is responsible for overseeing the financial health of the company, including the management of cash flow. Eamon's experience and knowledge ensure that Quinn London's financial reporting and planning processes run smoothly and efficiently.
Jack Butchart
Director
Jack Butchart
Director
As the Director for the Central London team at Quinn London, Jack is responsible for overseeing all aspects of project delivery, ensuring the highest standards are met. Jack's guidance and strategic direction ensure the success of the division and his team. With his in-depth understanding of the construction industry and his ability to effectively manage and motivate a team.
Bob Gunyon
Property Services Director
Bob Gunyon
Property Services Director
As the Divisional Director of the Property Services Division at Quinn London, he brings a wealth of experience and leadership to the company. With his in depth understanding of the social housing sector and his commitment to delivering high-quality results, Bob is well-positioned to drive the success of the Property Services Division. Under his guidance, the division is poised to deliver projects that put residents first and provide unparalleled customer service.
Ben Sanford
Commercial Director
Ben Sanford
Commercial Director
Ben is responsible for the commercial management of the Central London division at Quinn London. As the Commercial Manager, he is responsible for overseeing the commercial aspect of all projects, providing strategic guidance and support to ensure they are completed on budget.
Christie Woods
Heritage Commercial Manager
Christie Woods
Heritage Commercial Manager
Christie is part of the Heritage division at Quinn London, where she manages the commercial aspect of projects. With her extensive knowledge and expertise in the Heritage sector, Christie is well-equipped to successfully manage the complex relationships between clients, contractors, and subcontractors. Christie’s attention to detail, dedication to the project, and her commitment to delivering high-quality results make her a valuable asset to the company.
John Daggett
Property Services Commercial Manager
John Daggett
Property Services Commercial Manager
John is a highly valued member of the team at Quinn London, known for his expertise in the commercial aspects of social housing projects. With a focus on delivering results that meet the high standards of the company, John brings his extensive knowledge and experience to each project he manages. His attention to detail, ability to manage all aspects of the commercial elements of the project, and his commitment to delivering high-quality results make him an invaluable asset to the Property Services Division.
Zainab Hasson
HR Manager
Zainab Hasson
HR Manager
As HR Manager at Quinn London, Zainab leads the delivery of core HR operations, overseeing the full employee lifecycle. She plays a key role in managing employee relations, driving performance management processes, and ensuring compliance with employment legislation and internal policies. Her work is instrumental in supporting business objectives and fostering effective people management across the organisation.
Matt Wilcock
Business Development Manager
Matt Wilcock
Business Development Manager
Matt is responsible for driving strategic business development initiatives and securing new opportunities across Quinn London's key construction sectors. He works closely with clients, consultants, architects, project managers, and framework providers to develop long-term partnerships and build a sustainable pipeline of high-quality projects.
With a particular focus on healthcare, education, heritage, and public sector developments, Matt plays a pivotal role in promoting Quinn London's expertise in delivering complex refurbishment, restoration and construction projects ranging from £2m to £20m+. He is passionate about engaging at the earliest stages of project development, supporting clients and consultant teams in shaping procurement strategies.
Danielle Molyneux
Business Development Manager
Danielle Molyneux
Business Development Manager
As the Business Development Manager at Quinn London, Danielle Molyneux is driven by creating genuine, lasting impact, whether that’s delivering warmer, safer homes or supporting the communities we work in. Having progressed from a Project Manager delivering planned works for one of the UK's largest housing associations, spanning windows and doors, kitchens and bathrooms to securing multi-million-pound investment partnerships. Danielle’s approach is built on trust, listening and genuine client care, going beyond simply winning work to lead through collaboration and problem-solving for end users. This focus on long-term partnership ensures Quinn London's relationships are built to last, delivering sustained value for clients and residents alike.
Kieran Keeves
Pre-Construction Manager
Kieran Keeves
Pre-Construction Manager
With over 20 years of experience in estimating and surveying, Kieran brings a wealth of industry knowledge and a keen eye for detail to his role as Pre-construction Manager. Passionate about problem-solving and finding practical, cost-effective solutions, while ensuring every project starts on the right footing. Kieran takes pride in delivering excellent customer care and building strong, lasting relationships with clients and project teams.
Graham Trueman
Head of SHEQ
Graham Trueman
Head of SHEQ
Graham joined Quinn London in 2026 as Head of SHEQ, bringing extensive experience in health and safety, environmental and quality management across the construction and property sectors. Having previously held a senior HSE role at The Crown Estate, Graham brings significant client-side and contractor experience, together with a strong understanding of complex London projects. Graham is responsible for leading the SHEQ function across Quinn London, overseeing Health and Safety, Environmental and Quality management, compliance and continual improvement. His responsibilities also include developing the company’s Building Safety Act compliance framework and supporting the business in maintaining the highest standards across its projects.
Harriet Webb
Sustainability Manager
Harriet Webb
Sustainability Manager
Harriet leads our sustainability strategy, overseeing carbon reduction, waste management, and environmental compliance. Focused on rendering our policy commitments into measurable results, ensuring Quinn not only meets our environmental targets but consistently drives performance beyond industry benchmarks.
Bianca Tia Mesuria
Social Value Manager
Bianca Tia Mesuria
Social Value Manager
As Social Value Manager, Bianca is responsible for leading responsible business practice within our teams as well as embedding social value into business strategy and operations across Quinn London. Bianca takes lead in overseeing the delivery of impactful community programmes that generate and support measurable benefits for communities as well as meeting client commitments and contributing to sustainable development.
