What HUNTON ENGINEERING DESIGN LIMITED does

Hunton Engineering Design Ltd is a UK-based specialist mechanical, electrical, hydraulic and control systems contractor focused on river control structures, flood defence systems, water treatment plant and bridges/walkways. Operating from a purpose-built 15,000ft² workshop on a 1.8-acre site in Maidstone, Kent, the company employs approximately 35 staff across project management, design engineering, fabrication, welding, fitting and machining. Its offering spans the full project lifecycle — concept design, 3D CAD and FEA analysis using SolidWorks and Autodesk Robot, in-house fabrication to BS EN 1090 Execution Class 3, installation, commissioning and ongoing maintenance — under integrated MEICA packages. The company holds proprietary technologies including a UK-first silt management system deployed at Queenborough tidal defence barrier and a novel hydraulic retarder system used at Allington Sluice, alongside bespoke Form 2 and Form 4 PLC/HMI control panels.

The business model is project-based, with revenue generated through competitive tendering and long-duration framework agreements. The Environment Agency is the anchor customer, with Hunton joining the TEAM2100 consortium in 2013 — a £340 million, 10+ year programme covering 340km of the tidal Thames and over 100 flood defence sites, delivered with CH2M Hill (now Jacobs), Balfour Beatty, KGAL and Qualter Hall. Main contractors including Balfour Beatty, BAM Nuttall, JT Mackley, Jackson Civil Engineering, Volker Stevin, Atkins and Jacobs act as secondary customers, with Hunton serving as a specialist M&E sub-consultant and design-build contractor. Certifications (ISO 9001, OHSAS 18001, BS EN 1090 Execution Class 3, ASME IX welding qualification) are mandatory qualifications for these engagements and underpin the firm's eligibility for government and framework work.

Hunton operates across Kent, London, Thames Valley/Oxfordshire, East Anglia, Surrey, Essex and increasingly South Wales, with no disclosed international footprint. The customer roster is heavily concentrated in UK public-sector flood infrastructure, and the project pipeline stretches continuously from the late 1990s through 2025 (most recent commission: Aberaeron tidal defence barrier). The company is privately held with no disclosed parent, private equity backing, or institutional investor; ownership details are not publicly available.

Name

HUNTON ENGINEERING DESIGN LIMITED

Legal name

Hunton Engineering Design Ltd

Website

https://huntonengineering.co.uk

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

UK specialist engineering contractor that designs, manufactures and installs river control structures, flood defence systems, hydraulic/electrical control systems and water treatment plant for the Environment Agency and major UK construction firms.

Ownership category

akta.pro rank

Product category

Flood Defence and River Control Engineering

NAICS

Construction Machinery Manufacturing (333120)

SIC

Construction, Mining & Materials Handling Machinery & Equip (3530), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems) (IMAHAEAJ)

akta.pro secondary industries

Pressure Vessels, Columns & Storage Tanks (ASME/Process Vessels) (IMAHAEAF), Monitoring & Control (Dosing Systems, Remote Monitoring, Sensors) (BPABAJAK)

Keywords

• Flood defence systems
• River control structures
• Hydraulic control systems
• Water treatment equipment
• Steel fabrication services

Headquarters

HQ city

Maidstone

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Design and Build Contracts: Project-based revenue from design, fabrication, and installation contracts for river control structures, flood defence systems, and water treatment equipment. Contracts are typically secured through competitive tendering with government agencies and construction companies.
2. Specialist Sub-consultancy: Design and detail engineering services provided to main contractors and engineering consultancies as a specialist sub-consultant
3. Framework Agreement Participation: Ongoing work under long-term framework agreements such as TEAM2100, providing condition assessments, design, manufacture and installation across multiple flood defence sites

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Hunton Engineering designs, manufactures, and installs river control structures (sluice gates, lock gates, tilting weirs, radial gates), flood defence systems (tidal barriers, flood gates, fish and eel passes), and water treatment equipment (SAF units, lamella tanks, CSO screens), along with steel bridges, hydraulic systems, PLC/HMI electrical control panels, and pipework and pressure vessels. The company delivers full MEICA (Mechanical, Electrical, Instrumentation, Control and Automation) packages from concept and design through fabrication, installation, and on-site commissioning using its own in-house staff and a purpose-built 15,000ft² workshop in Kent.

Product overview

Hunton Engineering Design Ltd is a UK-based design, fabrication and installation company with over 25 years of experience serving the water, flood defence, and environmental sectors. The company operates from a purpose-built 15,000ft² facility near Maidstone, Kent, and employs approximately 35 people. Its offering is organized around integrated, full-lifecycle services rather than a single software product: the core Design and Analysis team provides mechanical, structural and process engineering using SolidWorks 3D CAD and FEA, feeding into Manufacturing Capabilities for fabrication in carbon steel, stainless steel and specialist alloys. These feed the company's project divisions covering River Infrastructure (sluice gates, lock gates, tilting weirs, radial gates), Flood Gates, Fish and Eel Passes, Water Treatment Plant (SAF, lamella tanks, CSO screens), Bridges and Walkways, Hydraulic Systems, Electrical Control Systems, and Pipework and Pressure Vessels. Projects are delivered as turnkey packages including MEICA (Mechanical, Electrical, Instrumentation, Control and Automation) elements, from concept through design, build, installation and commissioning, primarily for the Environment Agency and major framework contractors.

Differentiator

Problem solved

Functional benefit

Products and services

• Fish and Eel Passes Specialist fish and eel pass design, build and installation services for river and weir sites, including eel tiles, fixed or opening walkways, stoplogs, penstocks, pumped solutions, and integration of underwater lights or cameras. The offering uses 3D modelling software for integration into overall river schemes and is delivered for clients such as the Environment Agency on projects including the Wey Weirs fish pass upgrades.
• River Infrastructure (Sluice Gates, Lock Gates, Tilting Weirs, Radial Gates) Design, build and manufacture of river control structures including automated sluice gates (1m² to 10m span), lock gates, tilting weirs, and radial gates. Full MEICA packages are offered from a CE certified workshop with FAT testing capabilities, delivered for clients such as the Environment Agency and major civil engineering contractors (e.g., TEAM2100 sites, Allington Sluice, Teddington Weir, Hardmead Sluice).
• Water Treatment Plant Equipment Water and effluent treatment equipment including Submerged Aerated Filter (SAF) packages sized for populations of 50 to 2000 persons, lamella and conical settlement tanks in carbon and stainless steel, and Combined Storage Overflow (CSO) wave screens from 1m to 15m diameter with 6mm thick, 40% open area mesh. Designed for water utilities and industrial customers requiring settlement and overflow treatment.
• Flood Gates Design and fabrication of manually operated, fully automated, sliding, and bespoke flood gates. Capabilities include hydraulic or mechanical gate automation, automated responding gates using ultrasonic level detection, CCTV and sensor arrays, and flush sill beam designs for public access areas, delivered for clients such as the Environment Agency and local authorities.
• Bridges and Walkways Design and manufacture of specialist bridges including cross-channel and moving structures, pedestrian and highway swing or lifting bridges, public access walkways, and machinery and plant access steelwork. All bridges are manufactured and CE marked to BS EN 1090 and designed to ISO 14122.
• Electrical Control Systems Design and installation of electrical control systems including Form 2 and Form 4 control panels, PLCs, touch screen HMIs, and custom software for automated river control, with workshop-based testing facilities offered prior to site installation.
• Hydraulic Control Systems Design, manufacture, installation and commissioning of hydraulic control equipment including hydraulic power packs, complex pipework, cylinders, hydraulic motors, and bespoke braking systems for falling sluice gates, with full hydraulic services from concept design through maintenance.
• Pipework and Pressure Vessels Design, detailing and manufacture of pipework and pressure vessels using MAG, TAG, MMA and semi-automated welding to ASME IX and ISO 9606, with NDT ranging from visual to full X-Ray. Handles carbon and stainless steels and PVDF for fluids including water, air, acids, steam, sludge, oils and natural gas.
• Design and Analysis Services In-house engineering services covering condition surveys, conceptual and detail design using 3D CAD in SolidWorks for BIM compliance, structural design to Eurocode 3, hydraulic, mechanical and electrical design, FEA analysis using Autodesk Robot, and CDM compliance. Delivered as a standalone specialist sub-consultancy or as part of MEICA project delivery for the Environment Agency and major construction companies.

Quantifiable outcome

• Reduced flood defence deployment time from 20 minutes to 2 minutes at Canal Basin
• +3 more outcomes

Named customers13 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• Environment AgencycoreStrategic or Co-development Partner · 1 January 2013TEAM2100 is a partnership created in 2013 and spanning over 10 years, responsible for all flood defence structures from Teddington Lock to the entrance of the Thames from the English Channel - a 340km stretch of river. The project is valued at around £340 million and is the largest flood defence programme in the world at this time. Hunton's role includes detailed condition assessments, design of structures, technical appraisals, manufacture and installation of M&E equipment.
• CH2M Hill (now Jacobs)coreStrategic or Co-development Partner · 1 January 2013Part of the TEAM2100 consortium responsible for maintaining flood defences along the tidal span of the River Thames. CH2M Hill leads the consortium with partners including Balfour Beatty, KGAL, Qualter Hall and Hunton Engineering.
• Balfour BeattycoreStrategic or Co-development Partner · 1 January 2013Part of the TEAM2100 consortium for the £340 million flood defence programme.
• KGALcoreStrategic or Co-development Partner · 1 January 2013Part of the TEAM2100 consortium for the £340 million flood defence programme.
• Qualter HallcoreStrategic or Co-development Partner · 1 January 2013Part of the TEAM2100 consortium for the £340 million flood defence programme.
• AtkinsminorImplementation/ SI/ Consulting PartnerHuntons worked alongside Atkins on the Allington Sluice refurbishment project (2008-2010), where Huntons detailed designed, manufactured and installed three new sluice gates.
• JacobsminorImplementation/ SI/ Consulting PartnerHuntons worked with Jacobs global design team to produce a collaborative design for the Canal Basin tidal defence gate project (2017-2019).
• JT MackleyminorImplementation/ SI/ Consulting PartnerWorking closely with WEM framework contractor JT Mackley for Molesey Weir B project (2013-2014).
• BAM NuttallminorImplementation/ SI/ Consulting PartnerHunton Engineering commissioned by BAM Nuttall in 2021 to design, build and install the M&E elements for Hardmead Sluice upgrade. Also completed Aberaeron tidal defence barrier for BAM Nuttall in 2025.
• Environment AgencyminorImplementation/ SI/ Consulting PartnerMultiple fish pass installation projects completed for the Environment Agency on the River Wey, involving upgrades to seven weir sites for increased flood protection and enhanced fish stocks.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Others

• Atkins (AtkinsRéalis): Global engineering consultancy and design lead on multiple Hunton projects (Allington Sluice). Comparable in water sector exposure but operates as a consultant/specifier rather than a fabricator — adjacent ecosystem participant.
• Jacobs: Global engineering consultancy (including legacy CH2M Hill) and TEAM2100 consortium partner alongside Hunton. Acts as a design partner and client for Hunton's MEICA packages rather than as a direct fabricator competitor.

Broad incumbents

• BAM Nuttall: UK civil engineering contractor and Hunton client (Hardmead Sluice, Aberaeron). Competes and procures in the same flood defence/water infrastructure market but at a much broader portfolio scale.
• Balfour Beatty: Major UK/international infrastructure group and TEAM2100 consortium lead alongside Hunton. Overlaps in flood defence delivery but as part of a much wider portfolio; a key customer for Hunton's specialist MEICA services.
• Volker Stevin: UK civil engineering contractor specialising in flood defence, marine and water infrastructure. Existing Hunton client with overlapping capability in flood defence delivery at a broader portfolio level.
• Jackson Civil Engineering: UK civil engineering contractor and existing Hunton client. Operates at a broader portfolio level (earthworks, structures, highways) but delivers comparable water/flood defence schemes, often procuring Hunton's MEICA packages as a sub-supplier.
• Black & Veatch: Global engineering, procurement and construction firm with major water infrastructure practice. Listed as a Hunton client/partner; competes and procures MEICA services for water and flood projects at significantly larger scale.

Direct peers

• KGAL: Named partner in the TEAM2100 consortium alongside Hunton. UK steel engineering and fabrication contractor supplying flood defence structures for the Environment Agency — directly comparable on framework participation and product scope.
• Qualter Hall: UK-based steel fabrication and engineering firm specialising in flood defence gates, lock gates, bridges and heavy mechanical equipment. Named alongside Hunton as a core partner in the TEAM2100 consortium, making it the most directly comparable specialist competitor.
• ECS Engineering Services: UK specialist M&E contractor providing design, fabrication and installation for the water, environmental and infrastructure sectors, including flood defence and water control structures. Comparable in scale and service mix to Hunton's MEICA offering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/hunton-engineering-design-limited

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about HUNTON ENGINEERING DESIGN LIMITED