Sigma BS provides Mechanical, Electrical, Fabric, Refurbishment and Design & Build services for commercial, public and private buildings.

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

We support schools, universities, healthcare settings, councils, commercial offices, industrial premises, FM teams and property managers.

Yes. We specialise in delivering projects and maintenance safely in live, operational environments with minimal disruption.

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

Yes. Our team includes qualified and certified mechanical, electrical, Gas Safe and building services engineers.

Yes. We support everything from minor repairs to full building refurbishments and service upgrades.

Yes. We offer responsive support for urgent issues affecting mechanical, electrical or building fabric systems.

Yes. We provide scheduled maintenance to help manage building compliance, reduce breakdowns and maintain asset performance.

Yes. We can schedule evening, weekend and school holiday works to avoid disruption.

Yes. We refurbish workspaces, classrooms, public areas, staff spaces and operational environments.

Yes. We design and install energy-efficient LED lighting and emergency lighting systems.

Yes. We handle heating plant, boilers, ventilation units, AHUs, ductwork and building water systems.

Yes. Our Design & Build service manages concept, technical design, construction and handover under one coordinated approach.

Yes. We provide testing, certification, safety checks and compliance documentation as required.

Simply contact us by phone or email and we’ll arrange a discussion or site visit.

Yes. We hold full insurance and relevant industry certifications.

Yes. We collaborate with FM teams and management to ensure smooth delivery.

Yes. We offer ongoing maintenance, upgrades and lifecycle improvement planning.

We use a directly employed, multi-skilled workforce, allowing us to deliver consistent quality, clear communication and reliable outcomes.

Sigma Fire Security

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    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.

    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