What PTG Precision Engineers Ltd does

PTG Precision Engineers Ltd is a UK-based sub-contract precision engineering firm, registered as a private limited company in Plympton, Plymouth, Devon, operating in the sector since 1979. Its core offering spans 2- to 4-axis CNC milling and CNC turning, conventional machining, and EDM wire/spark erosion, supported by SolidWorks 3D CAD design capability and Lean Manufacturing practices. The firm is structurally integrated with a sister company, PTG Workholding Ltd, which provides in-house fixture design and workholding — a capability that allows PTG to deliver finished components complete with bespoke fixturing under a single supplier relationship.

The business sells directly to primes and tier-one manufacturers on a sub-contract basis, with revenue generated per project rather than through a recurring or transactional pricing model. Customers include Rolls Royce Aero Engines, Babcock International Group (including multi-million pound work on nuclear submarine defuelling and refuelling), Cavendish Nuclear, UTC Aerospace, Gardner Denver, Kawasaki Precision Machinery, Goodridge (on the McLaren MP13 programme) and Craneflow Process Controls, spanning nuclear, defence, high-tech electronics and specialist projects.

The firm's competitive position rests on a 35-plus-year quality accreditation record (ISO 9001 since 1989, currently ISO 9001:2015), the recent addition of ISO 45001:2024 occupational health and safety certification, and customer-specific supplier approvals in nuclear, defence and aerospace — qualifications that materially lengthen sales cycles for new entrants and anchor long programme relationships.

Name

PTG Precision Engineers Ltd

Legal name

PTG Precision Engineers Ltd

Website

https://ptgltd.co.uk

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

11–50 employees

Short description

PTG Precision Engineers Ltd is a UK sub-contract precision engineer offering CNC milling and turning, EDM, and workholding design, serving nuclear, defence, aerospace and specialist industrial customers such as Rolls Royce, Babcock International and Cavendish Nuclear.

Ownership category

akta.pro rank

Headquarters

HQ city

Plympton

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Precision Sub-Contract Engineering Services: PTG operates as a sub-contract precision engineering company providing advanced machining solutions. Revenue is generated through bespoke precision engineering projects including CNC milling, CNC turning, conventional machining, and workholding/fixture manufacture. Projects range from prototype to low and medium batch production volumes.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

PTG Precision Engineers Ltd is a sub-contract precision engineering firm that manufactures precision machined components and fixtures for enterprise customers. It delivers multi-axis CNC milling and turning, conventional machining, EDM wire and spark erosion, and bespoke workholding/fixture design and manufacture. Its components support nuclear power generation, defence (including military aero engines and submarine refuelling), high-tech electronics, and specialist engineering projects, primarily under prototype to medium batch production volumes.

Product overview

PTG Precision Engineers Ltd is a precision engineering company offering sub-contract machining solutions rather than a unified software product. The company operates a platform of advanced manufacturing capabilities including Precision CNC Milling Solutions, Precision CNC Turning Solutions, Conventional & Support Machining, and Workholding & Fixture Manufacture. These core machining capabilities are applied across four industry verticals: Nuclear, Specialist Projects, High Tech Electronics, and Defence sectors. The company is supported by Quality Assurance Services and Continuous Improvement Services to ensure compliance with ISO standards and efficient delivery. The offering functions as a service-based model rather than discrete product modules, with engineering expertise and manufacturing capacity serving customers requiring precision-machined components for critical applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Nuclear Precision Engineering

Quantifiable outcome

• Five-year spares packages on call-off basis for optimum uptime benefits on existing Nuclear power stations
• +2 more outcomes

Named customers8 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

Feature5 records

Partnerships

One partnership is on record.

• PTG Workholding LtdcoreStrategic or Co-development PartnerPTG Precision Engineers works in close association with sister company PTG Workholding Ltd, based in Bristol (www.ptgworkholding.ptgworkholding.co.uk). Together they have been at the forefront of workholding technology for many years. PTG Workholding provides specialist workholding solutions that complement PTG's precision machining capabilities.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Senior plc: Senior plc is a UK-listed precision engineering group supplying engineered components and assemblies to aerospace, defence, and energy markets. While much larger and more diversified than PTG, it competes for similar tier-2 slots on platforms such as Rolls-Royce aero engines and serves as a benchmark for a UK-listed precision engineering peer in overlapping end-markets.
• Meggitt plc: Meggitt (now part of Parker Aerospace) is a long-established UK aerospace and defence components specialist, supplying thermal management, sensing, and structural parts to Rolls-Royce, BAE Systems, and other primes. It is a broader incumbent operating at tier-1 scale but operates in the same UK aerospace/defence sub-contract ecosystem as PTG.
• GKN Aerospace: GKN Aerospace (part of Melrose Industries) is a major tier-1 supplier of aerostructures, engine components, and transparencies to Rolls-Royce, Airbus, and BAE Systems. It is a much broader incumbent, but represents the kind of scaled UK aerospace sub-contract competitor that PTG's precision components feed into via tier-2 relationships.
• Ultra Electronics Holdings: Ultra Electronics is a UK-listed defence and aerospace electronics specialist supplying sonar systems, precision sensors, and engineered components to the Royal Navy, BAE Systems, and other primes. It is a broader incumbent but competes for adjacent work in the same UK maritime/defence ecosystem where PTG supplies nuclear submarine components.

Direct peers

• Doncasters Group: Doncasters is a UK-based precision engineering manufacturer focused on high-integrity castings and machined components for aerospace and defence, including aero engine and industrial gas turbine applications. It is one of the closest direct peers to PTG in terms of customer overlap (Rolls-Royce, etc.) and the supply of precision machined, mission-critical parts into UK defence primes.
• Bodycote plc: Bodycote is the world's largest thermal processing services provider, supplying heat treatment, hot isostatic pressing, and surface technology to aerospace, defence, and energy OEMs. It is a direct peer in the sense that both companies sit in the UK tier-2 supply chain for precision components and both depend on similar customer-specific approvals at the same OEMs.
• Dawson Shanahan: Dawson Shanahan is a Welsh-based precision cold-heading and CNC machining sub-contractor serving automotive, aerospace, and high-tech industrial customers. It is a direct competitor in the UK sub-contract precision machining market, operating at similar scale with comparable multi-axis CNC capability and tier-2 supply relationships.
• Wallwork Group: Wallwork Group is a privately held UK precision engineering and heat treatment provider serving aerospace, defence, motorsport, and nuclear customers from multiple UK sites. It is a very close scale and geography match to PTG — a UK sub-contract precision engineering firm with ISO/AS9100 approvals and similar end-customer mix.
• Marshall Aerospace and Defence Group: Marshall ADG is a privately held UK aerospace and defence business providing MRO, engineering, and manufacturing services to the Royal Air Force, defence primes, and civil aerospace customers. It is a direct peer in the sense of being a UK-based, privately held sub-contract engineering business with deep defence relationships and similar precision manufacturing credentials.

Emerging players

• Renishaw plc: Renishaw is a UK-based precision engineering and metrology specialist known for measurement, motion control, and metal 3D printing systems, including additive manufacturing of aerospace and medical components. It overlaps with PTG at the high-precision manufacturing frontier and shares UK defence and aerospace customers, but is a more product-focused peer rather than a contract machinist.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ptg-precision-engineers-ltd-

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 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 PTG Precision Engineers Ltd