Hythe Marine Services

What Hythe Marine Services does

Hythe Marine Services, trading as Hythe Engineering Ltd, is a UK-based precision engineering services provider headquartered in Portsmouth. Founded in 2005 and operating with 101–250 employees, the company delivers specialist welding, fabrication, pipefitting, and shipbuilding repair and refit services to the UK's defence, nuclear, and renewable-energy sectors. Its client base includes tier-one UK primes such as BAE Systems (Maritime Services and Submarines), Babcock International, Rolls-Royce, and the Royal Navy, alongside civil-sector customers including MHI Vestas Offshore Wind, Stericycle, Porton Biopharma, Morgan Sindall, Siemens, and Capstone Green Energy. The company positions itself around short-notice, high-stakes engineering work — explicitly marketing reactive responsive capability and discretion for defence and nuclear deadlines.

The core technology stack is human-craft precision engineering rather than a software platform. Differentiators are domain specialisation in defence and nuclear welding and fabrication, reactive responsive work for urgent requirements, bespoke and COTS fabrication, and shipbuilding repair/refit. Compliance accreditations — UKAS ISO 9001, British Safety Council membership, and Cyber Essentials Plus — function as gating credentials for participation in UK defence and nuclear supply chains. No API, SDK, or AI/ML capability is disclosed.

Revenue is generated through contract-based professional services delivered via direct B2B enterprise engagement with UK contractors. Pricing is not publicly disclosed. Go-to-market is direct enterprise field sales supported by a corporate website, client testimonials, newsletters, and an apprenticeship/careers funnel. In September 2025 the company hosted representatives from the Submarine Procurement Alliance (SPA) at its headquarters, indicating an intent to deepen submarine-programme involvement, while separate 2025 appointments of a Delivery Director (Lawrence Underwood, ChPP MAPM) and a Director of QHS&E (Richard Bull) signal organisational build-out for scaling contract delivery.

Name

Hythe Marine Services

Legal name

Hythe Engineering Ltd

Website

https://hms.hythegroup.com

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

101–250 employees

Short description

Hythe Marine Services (trading as Hythe Engineering Ltd) is a Portsmouth-based precision engineering firm providing specialist welding, fabrication, pipefitting, and shipbuilding repair/refit services to UK defence, nuclear, and renewable-energy contractors including BAE Systems, Babcock, Rolls-Royce, and MHI Vestas.

Ownership category

akta.pro rank

Product category

Marine Precision Engineering Services

NAICS

Ship Building and Repairing (336611), Support Activities for Water Transportation (4883)

SIC

Ship & Boat Building & Repairing (3730), Services-Engineering Services (8711)

akta.pro primary industry

Piping, HVAC & Auxiliary Systems Repair (TLAKAKAH)

akta.pro secondary industry

Submarine Systems & Components (Pressure Hull, Ballast, Life Support) (IMABAKAL)

Keywords

• Precision engineering services
• Marine fabrication services
• Specialist welding services
• Shipbuilding repair refit
• Defence engineering contractor

Headquarters

HQ city

Portsmouth

HQ country

United Kingdom

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Marketing or Sales, Others

Revenue model

1. Precision Engineering Services: Project and contract-based professional engineering services including fabrication, welding, pipefitting, and repair/refit work for defence, nuclear, and renewable energy sectors. Revenue derived from direct contracts with enterprise contractors requiring specialist engineering capabilities.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Hythe Marine Services (trading as Hythe Engineering) delivers turnkey precision engineering, fabrication, welding and pipefitting services to the UK's leading Defence, Nuclear and Renewable-Energy contractors. The company supports both planned and reactive work, including shipbuilding repair and refit, and offers bespoke or commercial off-the-shelf (COTS) engineered solutions for naval, nuclear and offshore wind programmes.

Product overview

Hythe Engineering is a precision engineering services provider offering a unified suite of engineering solutions including specialist welding, fabrication, pipefitting, and shipbuilding repair and refit services. The company operates across three key market verticals: Defence, Nuclear, and Renewable-Energy sectors, delivering bespoke or COTS (Commercial Off-The-Shelf) solutions to the UK's leading contractors in these industries. The services are delivered as an integrated service portfolio rather than discrete software products.

Differentiator

Problem solved

Functional benefit

Products and services

• Specialist Welding

Named customers12 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Submarine Procurement Alliance (SPA)coreStrategic or Co-development Partner · 5 September 2025Hythe Engineering welcomed representatives from the Submarine Procurement Alliance (SPA) and other partners to its headquarters on 5th September 2025, indicating a strategic partnership in the submarine production and procurement supply chain.

Recent moves5 records

Expansion highlights5 records

Direct peers

• Cammell Laird: Major UK shipyard delivering newbuild, repair and refit for Royal Navy and commercial customers (including BAE/Astute support). Closely comparable naval and commercial vessel engineering footprint.
• Mivan: Marine outfitting, refurbishment and fit-out contractor with naval and commercial vessel work. Overlaps Hythe on specialist interior and structural fabrication for shipbuilding programmes.
• Cohort plc: UK-listed group of defence technology and engineering businesses serving naval and maritime customers. Comparable as a specialist defence engineering supplier with maritime exposure.
• A&P Group: UK ship repair, conversion and marine services contractor operating commercial and naval drydocks. Directly comparable to Hythe on naval vessel MRO and refit work for UK defence primes.
• Atlas Elektronik UK: Submarine sensor and combat systems supplier within the UK submarine industrial base. Comparable as a BAE Submarines Tier-1/Tier-2 supplier benefiting from the same Dreadnought/AUKUS pipeline.
• Burgess Marine: UK-based ship repair, marine engineering and fabrication services provider serving defence, commercial and offshore clients. Comparable on naval MRO scope and welding/fabrication capabilities.

Broad incumbents

• QinetiQ: UK defence technology and engineering services group providing maritime testing, support and engineering to the Royal Navy. Comparable technical engineering scope, much larger scale.
• Serco: UK/international defence and public services outsourcer with significant naval marine engineering contracts. Comparable marine services capability but operates at much larger scale and broader portfolio.
• Babcock International: Large UK defence and marine services prime providing naval support, dockyard operations and marine engineering. Comparable scope but at much greater scale than Hythe — both a customer and potential competitor.

Regional players

• Flensburger Schiffbau-Gesellschaft: German shipbuilder specialising in ro-ro, ferry and naval support vessels. Comparable shipbuilding repair and refit capability but serving primarily European/continental clients rather than the UK market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/hythemarine
• LinkedInlinkedin.com/company/hythe-marine

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Hythe Marine Services