DP Engineering

What DP Engineering does

DP Engineering is a UK-based subcontract precision engineering firm founded in 1952 in Redruth, Cornwall, operating from a 17,000 sq ft purpose-built factory. It provides CNC turning, CNC milling, and assembly services to industrial customers, with aerospace and defence as its primary vertical and additional exposure to marine, oil & gas, renewables, and electrical-machinery sectors. Capability is anchored on a 26+-machine plant including Citizen sliding-head lathes with LFV technology, Bridgeport 5-axis vertical machining centres, Nakamura twin-spindle twin-turret turn/mill machines, VICI Vision optical scanning, and CAD/CAM software (Mastercam, Fusion 360, Vericut, FactoryWiz), enabling one-hit manufacture of complex components in difficult alloys such as Inconel 718, Hastelloy C276, Nimonic 50, and titanium.

The company holds AS 9100 aerospace accreditation (valid through March 2027), ISO 9001:2015, JOSCAR approval (March 2025), and Cyber Essentials (2024). Operations support prototypes through batch production exceeding 250,000 units annually, with an MRP/Kanban system delivering next-day turnaround on 500+ managed inventory items. The business model is direct B2B contract manufacturing sold through enterprise field sales with quote-based pricing per project; revenue is generated as one-time contracts rather than subscriptions.

Go-to-market relies on direct engagement with engineering buyers and procurement teams across UK aerospace, defence, marine, oil & gas, and renewables customers, supplemented by LinkedIn and Twitter presence, a company news section, and participation in industry events such as Subcon 2024. Leadership is led by CEO Martin Legg (promoted from shop floor since 1998) and Managing Director Richard Trevail (17 years tenure), with the company remaining privately held under founder/insider ownership and no disclosed external investment. Recent activity indicates active expansion into the UK defence/security supply chain and selective pursuit of US space-sector relationships, including a February 2025 UK Department for Business and Trade mission to Blue Origin.

Name

DP Engineering

Legal name

David Paull CNC Engineering Ltd

Website

https://dpengineeringltd.co.uk

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

11–50 employees

Short description

DP Engineering is a UK subcontract precision engineering firm providing CNC turning, CNC milling, and assembly services to aerospace, defence, marine, oil and gas, and renewables clients from an AS 9100-accredited facility in Cornwall.

Ownership category

akta.pro rank

Headquarters

HQ city

Redruth

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Supply Chain

Revenue model

1. Precision Engineering Contract Manufacturing: Subcontract precision engineering services including CNC turning, CNC milling, and assembly. Revenue is generated through direct contracts with industrial customers for component manufacture. Services are tailored to customer specifications, quantities, and project requirements with bespoke pricing.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

DP Engineering is a UK-based subcontract precision engineering provider offering CNC turning, CNC milling, and assembly services from its 17,000 sq. ft. purpose-built facility in Redruth, Cornwall. The company manufactures high-quality precision components in materials including super alloys (Inconel 718, Hastelloy C276, Nimonic 50, titanium), serving aerospace, defence, marine, oil & gas, and renewables customers. Production ranges from prototype to batch volumes exceeding 250,000 units annually, delivered as a turnkey solution from raw material through to packaged product.

Product overview

DP Engineering offers a turnkey precision engineering solution through three core service offerings: CNC Turning, CNC Milling, and Assembly. These services are provided as standalone precision manufacturing capabilities that can be delivered individually or as a complete package from raw material to finished, packaged product. The company operates 26+ CNC machines across their 17,000 sq. ft. purpose-built factory, serving sectors including aerospace, defence, marine, oil & gas, and renewables.

Differentiator

Problem solved

Functional benefit

Products and services

• CNC Turning

Quantifiable outcome

• Zero non-conformances in annual AS9100 audit 2019
• +3 more outcomes

Segments5 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

Four partnerships are on record, tiered core and minor.

• Blue OrigincoreStrategic or Co-development Partner · 1 February 2025DP Engineering was selected as one of 16 UK suppliers to visit Blue Origin in the USA in February 2025. This visit was part of the first UK mission on behalf of the Department for Business and Trade following the signing of an MoU between the UK and the State of Florida. DP showcased their capabilities and investment over the last 3 years to support Blue Origin's space projects.
• Citizen Machinery UKcoreTechnology or IntegrationSupplier of L12 sliding head CNC machine with LFV technology. Citizen Machinery UK provides the advanced turning technology that enables DP Engineering to increase capacity for smaller diameter parts with improved spindle RPM and compact tooling.
• IEMCAcoreTechnology or IntegrationSupplier of 3m bar feed systems for the new L12 machine, enabling lights-out running and extended machining hours through automation.
• Plant OneminorStrategic or Co-development PartnerCornish charity partnership for carbon offsetting. In 2023-2024, DP Engineering partnered with Plant One to plant approximately 114 trees throughout Cornish woodland, offsetting approximately 80% of their carbon footprint (scope 1 and 2 emissions).

Scale indicators4 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Dawson Shanahan: Welsh-based subcontract precision machining specialist producing complex turned and milled components for aerospace, medical, and industrial customers. Directly comparable in service mix (CNC turning, milling, exotic alloy work), target verticals, and small-batch high-mix operating model.
• Kemlows Manufacturing Services: UK subcontract precision turned parts manufacturer supplying safety-critical components into aerospace, defence, hydraulics, and oil & gas. Directly comparable on CNC turning focus, aerospace/defence customer base, and AS9100-quality compliance profile.

Broad incumbents

• Senior plc: UK-listed engineering group supplying high-precision engineered components and systems into aerospace, defence, and industrial markets. Comparable end markets and precision component DNA, but at far greater scale and as a tier-1/2 OEM rather than a sub-contract shop.
• GKN Aerospace: Global tier-1 aerospace supplier with extensive precision-machined aerostructure and engine components. Relevant as a buyer of subcontract precision machining capacity and as the structural ceiling for what a scaled aerospace precision machining business can become.
• Meggitt: Defence and aerospace engineering group with substantial precision-machined sensing and sub-system content. Comparable vertical exposure to DP's aerospace and defence customers and represents the kind of tier-1 integrator that sources precision machined parts from sub-contract shops like DP.
• BAE Systems: UK-headquartered prime contractor in defence, aerospace, and maritime. Comparable end-market exposure for DP's defence and marine customer segments and a key potential anchor customer for subcontract precision machining capacity in the UK.
• Marshall Aerospace and Defence Group: UK-based aerospace and defence MRO/engineering group operating its own precision manufacturing capability. Comparable aerospace and defence vertical exposure and an example of where scaled UK precision engineering businesses can grow.
• Chemring Group: UK-listed defence technology group with a portfolio that includes precision-engineered energetic and electronic defence products. Comparable defence vertical exposure and represents an adjacent scaled UK defence engineering peer.
• Hayward Tyler: UK specialist in precision-engineered pumps and motors for power generation and oil & gas. Comparable in serving oil & gas and industrial customers requiring precision components for harsh environments.

Regional players

• TT Electronics: UK-headquartered supplier of engineered electronics for aerospace, defence, and industrial markets. Comparable aerospace and industrial vertical mix; relevant as a regional scaled counterpart to DP in precision manufacturing for safety-critical sectors.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/DPEngineering1
• LinkedInlinkedin.com/company/dp-engineering-ltd

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 DP Engineering