Our Group Businesses
Coniston FM is part of a wider group of specialist companies that together deliver excellence across facilities management, construction, refurbishment and engineering services. Each business operates independently within its own area of expertise, yet all share the same commitment to quality, safety and customer care.​​
Coniston Ltd – Heritage & Conservation Specialists
Coniston Ltd is a trusted name in heritage restoration, conservation and high-quality refurbishment projects across the UK. With decades of experience, the company has delivered award-winning works on some of the nation’s most treasured buildings, including Grade I and II listed churches, museums, palaces and cathedrals.
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Their expertise lies in combining traditional craftsmanship with modern construction techniques, ensuring historic buildings are preserved while meeting today’s operational needs.
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Core services include:
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Restoration and conservation of historic and listed buildings
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Refurbishment and fit-out of cultural, religious and civic spaces
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Structural alterations and specialist stone repairs
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Compliance with conservation and heritage regulations
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Sensitive project delivery in live and secure environments (Royal Household, Embassies, Cathedrals)
With multiple industry awards, including RIBA, RICS and Europa Nostra, Coniston Ltd has a proven track record in protecting cultural landmarks and creating spaces that can be enjoyed for generations.​
Coniston Specialist Projects – M&E, HVAC & Sustainable Engineering
Coniston Specialist Projects (CSP) deliver precision-engineered mechanical, electrical and building services that support commercial, residential, healthcare and specialist environments across the UK. Their work focuses on performance, efficiency and sustainability, helping clients reduce operational costs while meeting modern compliance and net-zero requirements.
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Core services include:
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Mechanical Services: Heating, chilled water systems, ventilation, air conditioning and domestic services
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Electrical Services: Power, lighting, fire alarms, access control, security systems, generators and UPS systems
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Building Management Systems (BMS): Integrated controls for smart building performance
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Decarbonisation Solutions: Energy-efficient upgrades and carbon reduction strategies for modern estates
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Fit-Out & Refurbishment: Turnkey refurbishment and smaller construction projects from design to completion
CSP also invests heavily in its supply chain partnerships and staff development, ensuring every project is delivered with technical excellence and long-term sustainability in mind.
Interkey Contracting – Specialist Construction Management
Interkey Contracting is the group’s construction and project management arm, working across the stadiums and venues, commercial developments and industrial sectors. The company specialises in managing complex projects through a trusted network of subcontractors, acting as a single point of contact for clients from tender stage through to completion.
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Core services include:
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Stadium and venue upgrades, refurbishments and specialist installations
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Commercial development and office fit-out projects
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Industrial and food sector construction, including hygiene upgrades and line overhauls
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Tender management, estimating and full project planning
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Compliance-driven delivery with ISO 9001, 14001 and 45001 standards
Interkey has worked with some of the UK’s most recognisable names, including Rolls Royce, Carlsberg, Tayto and the London Olympic Park, delivering fast-track projects with precision and reliability.​
Four Companies, One Standard of Excellence
Together, Coniston FM, Coniston Ltd, Coniston Specialist Projects and Interkey Contracting form a group that covers the full spectrum of facilities management, construction, restoration and engineering services. While each business has its own area of expertise, all are driven by the same values: quality, compliance, sustainability and a focus on long-term partnerships.