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Trusted Civil & Structural Engineering Services in Guildford
Melliss LLP is a distinguished practice of civil and structural engineers based in Guildford, with a heritage dating back to 1878. Our team of highly qualified engineers and technicians delivers comprehensive design and detailing services for new builds, alterations, and modifications to existing structures. As an ISO 9001 and ISO 14001 registered firm, we prioritise quality, innovation, and proactive collaboration, utilising advanced 3D modelling software and AutoCAD to ensure precision. With over 145 years of experience, we combine deep technical expertise with a commitment to client-centric solutions, serving sectors such as retail, residential, education, and commercial. Our dedication to continuous staff training, health and safety standards, and pragmatic project delivery has solidified our reputation for excellence.

We critically appraise client plans, offering alternative approaches grounded in decades of industry knowledge, ensuring cost-effective, timely results. Our portfolio includes landmark projects like the M&S Oxford Street flagship store and structural work for educational institutions, reflecting our versatility and technical mastery. Clients benefit from our partners' hands-on involvement, CSCS-certified team, and a legacy of innovation that spans generations. We pride ourselves on fostering long-term relationships through transparency, reliability, and a focus on exceeding expectations in every project we undertake.
Services
Civil Engineering Structural Design Temporary Works Local Authority Projects Retail Sector Solutions Residential Development Education Infrastructure Commercial Construction
Highlights and features
  • We are ISO 9001 and ISO 14001 certified for quality and environmental management.
  • Our engineers have over 145 years of combined industry experience.
  • We utilise advanced 3D modelling software and AutoCAD for precision design.
  • Partners maintain hands-on involvement in all project stages.
  • We hold CSCS site visitor cards for health and safety compliance.
Associations and certifications
  • ISO 9001
  • ISO 14001
Services
Civil Engineering
Our civil engineering services encompass site analysis, infrastructure planning, and sustainable development solutions. We specialise in drainage systems, road layouts, and groundworks for residential and commercial projects. Clients benefit from our expertise in regulatory compliance and cost-effective design optimisation.
Structural Design
We provide structural design for new builds and modifications to existing structures using steel, concrete, and timber. Our services include load calculations, material selection, and 3D modelling. Clients receive durable, code-compliant solutions tailored to project-specific requirements and site conditions.
Temporary Works
Our temporary works consultancy ensures safe, efficient construction phases through scaffolding design, shoring systems, and propping solutions. We conduct risk assessments and provide technical documentation to maintain project timelines while adhering to safety standards.
Local Authority Projects
We deliver engineering solutions for public infrastructure including bridges, schools, and community facilities. Services cover structural surveys, remedial works, and compliance with municipal regulations. Clients receive expert guidance on statutory requirements and public safety protocols.
Retail Sector Solutions
Our retail engineering services include store fit-outs, structural alterations, and temporary works for commercial spaces. We specialise in minimising disruption during live site operations while ensuring compliance with accessibility and safety standards for major retailers.
People
Alan Harding
Partner
Alan Harding, a Chartered Engineer and Fellow of the Chartered Association of Building Engineers, leads key projects at Melliss LLP. With decades of experience in structural design and client management, he ensures technical excellence and adherence to quality standards.
Darren Pucci
Associate
Darren Pucci, an Incorporated Engineer with the Institution of Structural Engineers, specialises in detailed structural analysis and project coordination. He celebrated 25 years of professional membership in 2023, contributing to Melliss LLP's reputation for precision engineering.
Questions
What sectors does Melliss LLP specialise in?
We specialise in retail, residential, education, commercial, and local authority projects, offering tailored civil and structural engineering solutions across these sectors.
Are your engineers certified?
Yes, our team includes Chartered, Incorporated, and Associate members of professional institutions like The Institution of Structural Engineers, with ISO 9001 and 14001 accreditations.
How does Melliss LLP ensure project quality?
We use advanced 3D modelling software, conduct regular staff training, maintain ISO certifications, and ensure partner-level oversight throughout every project lifecycle.
Can you handle complex structural modifications?
Yes, we specialise in alterations to existing structures, including steel-framed extensions, timber repairs, and listed building renovations, with expertise in temporary works.
What regions do you operate in?
While based in Guildford, we work across the UK, with recent projects in London, Slough, Cobham, and Dorking for both private and public sector clients.