
Quay Wall Replacement, Hayling Island
Civil Engineering, Commercial project.
Sienna Construction Ltd · Company 08015068
Active, accounts up to date·main contractor & subcontractor·Head office Southampton
Sienna Construction is a dynamic and experienced construction company committed to delivering projects to the highest standards of quality, programme, and budget. They pride themselves on listening to clients, exceeding expectations, and maintaining open communication with director-level involvement on all projects. Their flexible approach, supported by a skilled direct labour force, allows them to react quickly to project needs and emergency works, offering a personal service.
With a strong emphasis on Health, Safety, Environment, and Quality (HSEQ), Sienna Construction holds ISO 9001, 14001, and 45001 accreditations, demonstrating their commitment to continuous improvement and safe working environments. Their HSEQ Manager, Mark Collier, brings extensive experience from live site environments to ensure a proactive and collaborative approach to safety. Sienna Construction serves a diverse range of sectors, including utilities, commercial, education, aviation, and healthcare.
Their expertise spans civil engineering, power and utilities, and general construction, with a focus on delivering projects that clients can be proud of. They actively encourage innovation and welcome new ideas from their employees to enhance their service and contribute positively to the wider industry.

Civil Engineering, Commercial project.

Port of Southampton
Civil Engineering, Commercial project.
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Oxfordshire
Power & Utilities, Utilities project.

Hampshire
Power & Utilities, Utilities project.

Port of Southampton
Power & Utilities, Utilities project.
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Fawley 400kV Sub-station
Power & Utilities, Utilities project.

Education project.

Chichester
Construction, Commercial project.

Oxford
Commercial, Refurbishment project.

Southampton
Construction, Education project.

Southampton International Airport
Construction, Aviation project.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Sienna Construction is a versatile construction company serving various sectors including utilities, civil engineering, and commercial projects. They focus on client satisfaction, quality, and safety. Their listed services include Utilities, Civil engineering, Main contractor, Refurbishment and Solar PV.
Sienna Construction Ltd is registered at 14 Mitchell Point Ensign Way, Hamble-Le-Rice, Southampton, SO31 4RF, in South East.
Sienna Construction Ltd states that it works across Nationwide.
Accounts filed for the year to 2024 report 37 employees, which places the company in the 10-49 employees band.
Sienna Construction Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £3.0m and £8.0m. This is an estimate, not a filed figure.
Companies House lists Sienna Construction Ltd as active, with accounts most recently made up to 2024-10-31.
Sienna Construction Ltd displays ISO 9001, ISO 14001 and ISO 45001 on its website.
Sienna Construction Ltd works in Infrastructure, Commercial, Education, Healthcare, Energy, Public, Retail, Leisure and Residential.
Sienna Construction Ltd was incorporated on 2012-04-02.
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