Sigma Building Services

Your Building Services Partner Across London & Kent

Sigma Building Services delivers fully integrated Mechanical, Electrical, Fabric, Refurbishment and Design & Build services for commercial, public sector and private buildings. With over 20 years of experience, we combine technical expertise with practical delivery, ensuring buildings are safe, efficient, fit-for-purpose and ready for the future.

Our directly employed engineers and multi-discipline project teams work in occupied, sensitive and operational environments, where continuity and compliance are essential. From small maintenance tasks to full building refurbishment and service upgrades, we provide a reliable single-source solution backed by consistent quality and clear communication.

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Our Services

Electrical Services

Energy
Solutions

LED Lighting Solutions

Fabric
Services

Refurbishment Services

Mechanical Services

Design
& Build

Why Choose Sigma Building Services

Sigma Building Services

EXPERIENCE

Sigma have developed our services over 14 years with a wide range of customers from both private and public sectors.

Sigma Building Services

COLLABORATIVE

Our approach is truly collaborative as we gain knowledge of each requirement, developing bespoke solutions around each individuals clients needs.

Sigma Building Services

100% SATISFACTION

Our ethos is to deliver 100% customer satisfaction safely and securly, ensuring we are the supplier of choice every time.

Sigma Building Services

DEPENDABLE

With a direct employed work force which expands to Apprentices, every Sigma Employee is motivated and commited to meeting our company values.

Sigma Fire Security

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    Contact Details

    Ready to secure your London or Kent property with best-in-class building services? Contact Sigma Building Services today for a no-obligation site survey.

    FAQ

    We provide Mechanical, Electrical, Fabric, Refurbishment and Design & Build services, along with lighting, energy efficiency upgrades and ongoing maintenance support.

    Yes. We are experienced in delivering work in schools, healthcare environments, offices and public buildings while operations continue safely.

    We work across London, Kent and the South East, including Bromley, Bexley, Dartford, Gravesend, Medway, Maidstone and surrounding regions.

    Yes. We can arrange a no-obligation site visit to assess your needs and provide clear recommendations and pricing.

    Yes. Our Design & Build team manages projects from planning and technical design through to construction, handover and aftercare.

    Yes. We deliver scheduled building services maintenance along with fast response support for urgent issues.

    Yes. Our teams include qualified mechanical, electrical, Gas Safe and specialist engineers supported by a safety-led service culture.

    Yes. We offer LED lighting upgrades, modern heating and ventilation solutions, energy efficiency improvements and system optimisation.

    Yes. We work with schools, academies, councils, NHS and government buildings, ensuring compliance and safe working practices.

    Just contact our team to discuss your requirements. We’ll arrange a survey, clarify your priorities and provide a tailored proposal.

    Accreditations

    ECA Reg Mem
    Chas
    NIC EIC
    RCP
    ISO9001
    ISO14001
    Achilles member

    Our Clients

    Department of Health
    Emcor
    Thames Water
    Taylor Wimpey
    Mitchell
    Hutton Construction