We connect engineering, energy intelligence and practical delivery so organisations can make clearer decisions and improve how their buildings perform.
We connect operational data, site knowledge and engineering evidence before recommending where effort should go.
Zerith is an independent UK energy and building-performance consultancy. We look beyond isolated compliance exercises and generic reports to understand how buildings, systems and investment decisions work together.
Our work starts with evidence and remains connected through analysis, decision-making and delivery. This makes each next step more useful than the last.
Clear evidence · prioritised action · measurable improvement
ZERITHConnect consumption, meters, assets and operational context so reporting evidence becomes information that can be used.
Organisations invest in audits, reporting and Net Zero plans, yet recommendations can remain detached from operations, available budgets and the people responsible for delivery.
Compliance is the starting point, not the final output. We use it to focus attention on the systems, opportunities and decisions that will matter next.
Zerith connects compliance, engineering insight, operational data and investment planning within one continuous process. Select a stage to see what changes.
We identify the systems, buildings and activities that materially affect energy cost, performance and risk before defining a proportionate scope.
Every organisation has different resources and priorities. Choose the level of support you need now, then build capability when it makes sense for your estate.
Zerith manages the agreed programme from initial assessment and analysis through to recommendations, reporting, implementation support and verification.
Our values change the way we assess evidence, communicate recommendations and work alongside client teams. Select a principle to explore what it means in practice.
Our advice is guided by evidence and client value—not by equipment sales, predetermined technologies or preferred project outcomes.
Our multidisciplinary perspective enables us to see how regulatory requirements, engineering systems, operational decisions and investment priorities interact. Clients receive advice shaped by practical delivery—not analysis in isolation.
Qualified Lead Assessor capability and professional review.
Energy-management assessment and implementation expertise.
Level 3, 4 and 5 modelling capability.
Low Carbon Consultants and Heat Network Consultants.
Design, commissioning, witness testing and technical assurance.
Estate intelligence that connects evidence, action and progress.
Zerith clients work directly with experienced senior leadership—from defining the brief through to interpreting evidence and prioritising action.
Simon Turner, Founder & Director, brings more than two decades of construction, building-services and energy-transition experience across technically complex projects and estates.
“A more sustainable and affordable pathway to high-performing buildings starts with credible engineering and practical choices.”Simon Turner / Founder & Director
ZERITHOur experience spans commercial buildings, healthcare estates, education, manufacturing, infrastructure and renewable energy. Select an example to see the practical focus behind it.
A targeted review identified primary and secondary chilled-water pumps operating at fixed speeds. A revised BeMS control strategy matched operation to building demand without major physical modifications.
Every engagement is shaped by the client’s objectives, operational constraints and internal capabilities. We agree on what success looks like before technical work begins.
We begin with a focused discussion about buildings, obligations, major energy consumers, operational pressures and investment priorities.
You should always understand what we are doing, why it matters and what happens next.Useful context for organisations considering independent energy, engineering and building-performance support.
Zerith is an independent energy and building-performance consultancy. We combine engineering, compliance, energy intelligence and practical delivery support to help organisations reduce cost, meet obligations and make better-informed investment decisions.
Yes. Zerith can provide complete consultancy delivery, work collaboratively with internal teams or support a more internally led approach using ZECO AI, with guidance and technical quality assurance where required.
No. Compliance can be a valuable source of evidence, but Zerith uses that evidence to inform building performance, operational improvement, investment decisions and credible routes toward Net Zero.
Zerith supports commercial property, manufacturing, hospitality, healthcare, education, transport, infrastructure and other technically complex estates across the UK.
