What NASMYTH TECHNOLOGIES LIMITED does

Nasmyth Technologies Limited is a UK-headquartered precision engineering and metal treatment group operating a platform of eight subsidiary companies across nine sites in the United Kingdom, India, and France. The group is organised into four operating divisions (Complex Machining, Fabrication and Welding, System Integration, and Metal Treatments) that deliver multi-axis CNC machining, precision welding, electro-mechanical assembly, and NADCAP-approved wet and dry surface treatments to aerospace, defence, space, energy, medical, and specialist automotive OEMs. Underlying technology centres on qualified metallic processing capabilities, including 3-, 4-, and 5-axis machining, fusion, resistance, TIG, MIG, electron-beam and laser welding, plus chromic, tartaric, and boric anodising and non-destructive testing, certified to NADCAP, AS9100 Rev D, ISO 9001, ISO 14001, ISO 45001, JOSCAR, DIN2303, and Cyber Essentials Plus. The company serves enterprise customers including Rolls-Royce (under a GBP 300M long-term contract), BAE Systems, Airbus, GKN Aerospace, Safran, Lockheed Martin, Leonardo, GE Aviation, and Collins Aerospace through direct enterprise field sales, regional sales offices in Coventry, Toulouse, and Bangalore, and a UK-India dual-shore manufacturing model.

The group's revenue model is contract-based and project-driven, anchored on long-term program awards with aerospace primes and Tier One suppliers, supplemented by standalone metal treatment services and managed supply chain services that source components from India and the Philippines for best-cost delivery and offset obligations support. Pricing is project-specific and not publicly disclosed. Nasmyth is a wholly-owned subsidiary of Sigma Advanced Systems UK Ltd following the November 2025 acquisition by Sigma, which itself is part of Sigma Advanced Systems Limited, publicly listed on India's BSE and NSE. The group's growth posture is reinforced by the July 2026 acquisition of Bromford Precision Solutions by the parent and the establishment of a new Sri City, India facility, both targeted at scaling delivery of the Rolls-Royce contract.

Name

NASMYTH TECHNOLOGIES LIMITED

Legal name

Nasmyth Technologies Ltd

Website

https://nasmyth.com

Company type

Private

Founded year

2003

Operating status

Operating

Short description

Nasmyth Technologies Limited is a UK-headquartered precision engineering and metal treatment group operating across nine UK, Indian, and French sites. It delivers multi-axis machining, fabrication, welding, electro-mechanical assembly, and NADCAP-approved surface treatments to aerospace, defence, space, energy, and medical OEMs.

Ownership category

akta.pro rank

Product category

Aerospace Precision Engineering

NAICS

Other Fabricated Metal Product Manufacturing (3329), All Other Industrial Machinery Manufacturing (333248), Industrial Machinery Manufacturing (33324)

SIC

Miscellaneous Fabricated Metal Products (3490), Metalworkg Machinery & Equipment (3540), Special Industry Machinery, Nec (3559)

akta.pro primary industry

CNC Machine Tools (Turning, Milling, Machining Centers) (IMAHADAA)

akta.pro secondary industry

NDT/NDE Inspection Equipment (Ultrasonic, eddy current, radiography, thermography) (IMAGAFAI)

Keywords

• Precision engineering services
• Aerospace component manufacturing
• Metal surface treatments
• Electro-mechanical systems
• Precision machining solutions

Headquarters

HQ city

Coventry

HQ country

United Kingdom

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Precision Engineering Manufacturing: End-to-end precision engineering solutions including complex machining, fabrication, welding, and assembly services for aerospace, defence, and related industries. Revenue generated through long-term contracts and project-based engagements with major aerospace OEMs and Tier One suppliers.
2. Metal Treatment Services: Surface treatment and finishing services including anodising, electro-plating, heat treatment, and non-destructive testing. Provided as standalone services or integrated with manufacturing operations.
3. Supply Chain Management: Global supply chain integration and logistics services, sourcing components from suppliers across India and Philippines, providing best-cost solutions and offset obligations support.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Nasmyth Technologies Limited provides integrated precision engineering solutions including multi-axis CNC machining, fabrication and welding, electro-mechanical systems integration, and NADCAP-approved metal surface treatments for aerospace, defence, space, energy, medical, and specialist automotive OEMs. The group operates through four main divisions (Complex Machining, Fabrication & Welding, System Integration, Metal Treatments) and eight specialised subsidiary companies delivering end-to-end manufacturing capabilities from design through to inspection across UK, India, and France.

Product overview

Nasmyth Technologies Limited is a global precision engineering and manufacturing group operating as a platform of 8 specialized subsidiary companies across 9 sites in the UK, India, and France. The Group is organized into four core product divisions: Complex Machining (Metallics), Fabrication & Welding (Technologies), System Integration (Systems), and Metal Treatments (Specialist). The portfolio includes Nasmyth Bulwell (multi-axis precision machining), Nasmyth Coventry (fabrications and welding), Nasmyth Coventry CE (precision fabrications), Nasmyth Ferndown (sheet metal and welding), GEB Surface Treatments (metal surface treatments), Nasmyth Henton (ring machining), Nasmyth IEC (electro-mechanical systems), and Nasmyth Asia (cost-effective manufacturing in India). The divisions operate as an integrated platform providing end-to-end solutions from design through manufacturing to metal treatments and assembly, serving aerospace, defence, space, energy, medical, and specialist automotive markets.

Differentiator

Problem solved

Functional benefit

Products and services

• Complex Machining (Metallics Division)

Quantifiable outcome

• £300M long-term contract with Rolls-Royce for aerospace programmes
• +2 more outcomes

Named customers18 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered minor.

• ADS (Aerospace, Defence and Security)minorOthersIndustry association membership providing connection to UK aerospace, defence, and security sectors.
• Midland Aerospace Alliance (MAA)minorOthersRegional aerospace industry association membership supporting Midlands aerospace cluster.
• MAKE UKminorOthersManufacturing industry association membership supporting UK manufacturing sector.
• SIG - Sharing In GrowthminorStrategic or Co-development PartnerUK aerospace competitiveness programme helping aerospace suppliers grow their capabilities and competitiveness.
• MHD-ROCKLANDminorChannel Partner/ Reseller/ DistributorPartnership for defence sector collaboration and product distribution.
• Viking Air LimitedminorStrategic or Co-development PartnerAerospace sector collaboration for aircraft programmes and components.
• Cyber Essentials PlusminorOthersCybersecurity certification partnership maintaining security standards across operations.

Scale indicators12 records

Recent moves9 records

Expansion highlights7 records

Direct peers

• Ducommun Incorporated: US-based provider of aerospace structures, engineered products, and electronic systems. Comparable to Nasmyth in structural fabrication, precision machining, and Tier-2 supplier role to Boeing, Lockheed Martin, and other defence OEMs.
• Doncasters Group: UK-based precision cast and machined components supplier for aerospace (aerospace castings and fabricated assemblies for Rolls-Royce, Pratt & Whitney, GE). Directly comparable in customer base, complex precision metal component focus, and Tier-2 supplier position to Nasmyth.
• Senior plc: UK-listed precision engineering group serving aerospace, defence, and land-vehicle OEMs with complex machined components and fluid conveyance systems. Highly comparable to Nasmyth in customer base (Boeing, Airbus, Rolls-Royce, BAE), Tier-1 supplier positioning, and integrated manufacturing model.
• Gardner Aerospace: UK-based Tier-2 aerospace precision machining and assemblies supplier (owned by Imeco). Directly comparable to Nasmyth in complex machined aerostructures, long-term contracts with Airbus/BAE, and multi-site UK/international footprint.
• Magellan Aerospace: Canadian aerospace components manufacturer producing aero-engine structures, wing assemblies, and precision machined parts for major OEMs. Comparable to Nasmyth in offering integrated precision engineering, surface treatments, and assembly for civil and defence aerospace customers.
• Heroux-Devtek: Canadian manufacturer of aerospace and defence landing gear, hydraulic systems, and precision components. Comparable in serving civil and military aerospace with safety-critical precision-engineered products, NADCAP-qualified processes, and Tier-2 supplier positioning.

Broad incumbents

• GKN Aerospace: Global Tier-1 aerospace structures and engine components supplier (owned by Melrose Industries). Overlaps with Nasmyth in aero-engine components, aerostructures, and additive manufacturing, but operates at vastly larger scale as an incumbent systems integrator rather than a precision components platform.
• Meggitt (Parker Aerospace): Major UK-headquartered aerospace components and systems supplier (acquired by Parker Hannifin in 2022). Comparable to Nasmyth in serving Rolls-Royce, Airbus, and BAE with safety-critical components, but at significantly larger scale and broader systems scope.
• Curtiss-Wright Corporation: US-listed defence and aerospace engineered products company with significant precision machining and surface treatment capabilities serving naval, aerospace, and industrial markets. Comparable in NADCAP-accredited processes and defence/aerospace customer base.
• Triumph Group: US-based aerospace structures, systems, and aftermarket services provider. Comparable to Nasmyth in aero-engine component manufacturing and Tier-2 supplier role, though larger scale and broader aftermarket exposure.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xtwitter.com/NasmythGroup
• LinkedInlinkedin.com/company/nasmyth

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries8 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 NASMYTH TECHNOLOGIES LIMITED