What Spensall does

Spensall is a precision machining manufacturer established in 1917 in Leeds, United Kingdom, operating today as a subsidiary of Fastenal Europe Ltd. (part of the Fastenal industrial supply group). The company produces precision machined components using CNC machine centers supplemented by automated and manual machines, with capacity for large, medium, and small manufacturing batch quantities. Beyond core machining (turning, milling, EDM spark and wire erosion), Spensall operates in-house coating lines for Xylan, Molybdenum Disulphide, Phosphate, Zinc, silver, zinc-flake, and zinc-electroplate finishes, and offers on-site inspection services including PMI and NDT (Dye Penetrant, Liquid Penetrant, Magnetic Particle, Ultrasonic). The company holds SAE AS9100D, ISO 9001:2015, ISO 45001:2018, ISO 14001:2015, and ISO 17025 certifications, along with JOSCAR membership and ABS 3.2 and Bureau Veritas maritime accreditations.

Spensall's primary end markets are oil & gas and aerospace, with additional business in maritime, defense, power generation (wind, nuclear, turbines), medical, chemical/petro-chemical, valve, pump, renewables, motorsport, construction, and transportation. Customer engagement is enterprise field sales: buyers request quotes via email or an online form, with no public pricing, and the company offers a turnkey package spanning raw material procurement, machining, coating, inspection, documentation, and worldwide shipping. Manufacturing facilities are located in Leeds (UK, 28,000 sq ft headquarters), Winona MN (USA), Modesto CA (USA), Brno (Czech Republic), and Johor (Malaysia), giving the company a multi-continent operational footprint under the Fastenal corporate umbrella.

The business model is project-based contract manufacturing: revenue is generated through one-time component orders and repeat manufacturing contracts, priced per quote based on specifications, batch size, materials, coatings, and inspection complexity, with multi-year contracts for recurring buyers. Spensall is privately held, has 101–250 employees, and competes on regulatory certifications, vertical integration of coating and inspection, and over a century of accumulated precision machining experience rather than on proprietary technology or differentiated intellectual property.

Name

Spensall

Legal name

Spensall Company

Website

https://spensall.com

Company type

Private

Founded year

1917

Operating status

Operating

Headcount range

101–250 employees

Short description

Spensall is a UK-based precision machining manufacturer, founded in 1917 and operating as a subsidiary of Fastenal, producing CNC-machined components with in-house coating and inspection for aerospace, oil & gas, defense, and maritime customers across facilities in the UK, US, Czech Republic, and Malaysia.

Ownership category

akta.pro rank

Headquarters

HQ city

Leeds

HQ country

United Kingdom

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Precision Machined Components Manufacturing: Spensall manufactures and sells precision machined components to industrial customers across aerospace, defense, oil & gas, maritime, and power generation sectors. Revenue is generated through one-time product sales and repeat manufacturing contracts. The company offers a full turnkey package including raw material procurement, machining, coating, inspection, documentation, and worldwide shipping.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Spensall manufactures precision machined components using CNC technology and a wide range of automated and manual machines, serving large, medium, and small batch quantities. The company provides a full turnkey manufacturing package including raw material procurement, machining, EDM spark and wire erosion, in-house coating, comprehensive inspection (PMI, NDT), full documentation, and worldwide shipping. Core customers are enterprise clients in aerospace, defense, oil & gas, maritime, and power generation industries.

Product overview

Spensall is a precision machining company offering a single unified product line centered on precision machined components. The core offering is Precision Machined Components manufactured using CNC technology, supplemented by a comprehensive Turnkey Manufacturing Package that includes raw material procurement, machining (turning, milling, EDM spark and wire erosion), inspection services (PMI, NDT), and coating capabilities. The company specializes in high-integrity bolting and safety-critical components for demanding industries including aerospace, oil and gas, defense, nuclear, and power generation. Additional offerings include special coating capabilities (silver, zinc-flake, zinc-electroplate, Xylan, Molybdenum Disulphide, Phosphate, Zinc) and full documentation and worldwide shipping services.

Differentiator

Problem solved

Functional benefit

Products and services

• Precision Machined Components Spensall's primary offering: precision machined components manufactured using up-to-date CNC technology, supported by automated and manual machines, suitable for large, medium, and small manufacturing batch quantities. Targeted at enterprise clients in aerospace, defense, oil & gas, maritime, power generation, and other industrial sectors.
• Turnkey Manufacturing Package Full turnkey package including procurement of raw material, on-site turning and milling, EDM spark and wire erosion, full onsite inspection capabilities including PMI, onsite NDT (Dye Penetrant, Liquid Penetrant, Magnetic Particle, Ultra Sonic), coating services, full documentation package, and worldwide shipping. Designed for enterprise customers seeking a single-vendor manufacturing solution.
• High-Integrity Bolting Precision-machined bolting components designed for power generation applications including wind, nuclear, and turbine industries.
• Special Coating Capabilities Coating services including silver, zinc-flake, zinc-electroplate, Xylan, Molybdenum Disulphide, Phosphate, and Zinc coatings for corrosion protection and specialized finish requirements on precision machined components.
• Safety Critical Precision-Machined Components Precision components manufactured for aerospace applications meeting AS9100D certification requirements and JOSCAR membership standards, designed for safety-critical applications in aircraft and jet engines.

Quantifiable outcome

• Competitive lead times for oil & gas components through vertical integration
• +1 more outcomes

Named customers2 records

Segments10 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Fastenalparent companyOthersSpensall is a subsidiary of Fastenal Company. The company operates under Fastenal's ownership, with references to 'Fastenal Europe Ltd' in quality documentation and copyright notices. Spensall's contact emails (@fastenal.com) and hiring processes link directly to Fastenal systems.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Holroyd Precision: UK specialist in CNC screw machining and precision turned components for hydraulics, automotive, aerospace, and industrial markets. Closely comparable in core turning capability and UK manufacturing footprint, though Spensall operates at higher component complexity and certified-industry scale.
• Cox Manufacturing Company: US-based precision machining company serving aerospace, defense, oil & gas, and industrial markets with CNC milling, turning, and EDM capabilities. Directly comparable in service offering, customer verticals, and project-based contract manufacturing model.
• Precision Micro: UK-based precision component manufacturer offering photo etching, CNC machining, and EDM services to aerospace, automotive, medical, and industrial markets. Highly comparable in geography, customer mix, and precision component focus, though Spensall adds a deeper in-house coating capability.
• MW Industries: US precision components manufacturer producing springs, fasteners, and machined components for aerospace, medical, defense, and industrial markets. Comparable in component complexity and customer verticals, particularly in fastener and high-integrity component work similar to Spensall's bolting line.
• Doncasters Group: UK-headquartered precision engineering group producing cast and machined components for aerospace, industrial gas turbines, and oil & gas. Closely comparable in vertical exposure (especially aerospace and oil & gas) and in component complexity, with a similarly long industrial heritage.
• Barnes Aerospace: US aerospace division of Barnes Group providing precision-machined components and assemblies to commercial aviation and defense OEMs. Directly comparable in safety-critical aerospace component manufacturing and certification-dependent supplier positioning.

Broad incumbents

• Senior plc: UK-listed precision engineering group with multiple divisions serving aerospace, defense, and industrial markets, including fluid conveyance and structural precision components. Larger scale than Spensall but overlapping in aerospace and industrial precision component supply, and operating from a similarly long UK industrial heritage.
• Precision Castparts Corp: US-based (now part of Berkshire Hathaway) major aerospace and industrial precision components manufacturer producing investment castings, forged components, and machined airfoils. Much larger scale than Spensall but overlaps in aerospace precision manufacturing and in the certification-driven supplier qualification model.
• Howmet Aerospace: US-listed aerospace precision components manufacturer specializing in engine components, airfoils, fasteners, and structural titanium and aluminum parts. Much larger scale than Spensall but a meaningful overlap in aerospace precision component supply and in the supplier-certification ecosystem that Spensall participates in.

Others

• Bodycote: UK-listed heat treatment and surface technology provider serving aerospace, automotive, defense, and industrial markets. Comparable as a complementary service provider in the precision component supply chain (coatings, heat treatment, surface engineering) adjacent to Spensall's in-house coating lines, though Bodycote is a pure service provider rather than a precision component manufacturer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/fastenal
• Facebookfacebook.com/fastenaleuropeEMEA
• LinkedInlinkedin.com/company/spensall-precision-machining
• Instagraminstagram.com/fastenal_europe/?hl=en
• Xx.com/spensall

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

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 Spensall