What United Springs does

United Springs is a European leader in the development and manufacture of bespoke precision springs, wire forms, pressings, and assemblies, tracing its origins to 1821 in the United Kingdom (originally Robert Riley Limited) and now operating as a wholly-owned subsidiary of Italy's Sogefi Group within the Suspension Business Unit. The company designs and produces a comprehensive portfolio of wire springs (compression, extension/tension, torsion, wire forms, flexible augers, copper forms), strip pressings and stampings (leaf springs, brackets, bushes/compression limiters), and assemblies that combine springs with metal or plastic components, using both standard materials (carbon steel, stainless steel, brass) and exotic alloys (titanium, nimonic, inconel, elgiloy). Manufacturing leverages multi-axis CNC technology, Bihler multi-slide bending, precision laser cutting, and a hand coiling division of master artisans, supported by Finite Element Analysis and extended lifetime testing through the Sogefi R&D Centre in France. Production capacity ranges from one-off prototypes to 100 million pieces annually across four certified plants in France (Charmes, headquarters), the Netherlands (Hengelo), the United Kingdom (Rochdale), and China (Suzhou).

The business model is B2B bespoke manufacturing: United Springs does not sell catalog components, instead co-developing spring solutions with customers through early-stage collaboration, prototyping with soft-tool samples, in-house tool construction, and on-site production options for instant customer feedback. Pricing is quote-based, driven by design complexity, materials, volume, and process — a model that embeds the company deeply in customer design and qualification cycles, particularly for safety-critical applications. The firm holds the full suite of certifications required for automotive and aerospace tier supply (IATF 16949:2016, AS9100D, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 50001:2018) and serves at least nine end markets — automotive (primary), aerospace, railways, energy, building, domestic appliances, leisure, lighting, and machine building — with named logos including Philips (Senseo), rail industry leaders, commercial aircraft manufacturers, and the UK Ministry of Defense (historically). Customer acquisition is enterprise field sales supported by participation in major industrial trade shows (MIDEST, Hannover Fair, ESEF/Precision Fair) and direct regional sales managers across France, the UK, the Netherlands, and China.

Name

United Springs

Legal name

United Springs SAS

Website

https://united-springs.com

Company type

Private

Founded year

1821

Operating status

Operating

Headcount range

51–100 employees

Short description

United Springs is a Sogefi Group subsidiary and European leader in bespoke precision spring manufacturing — wire forms, pressings, and assemblies — serving automotive (primary), aerospace, rail, energy, and industrial OEMs from certified plants in France, the Netherlands, the UK, and China.

Ownership category

akta.pro rank

Headquarters

HQ city

West Bromwich

HQ country

United Kingdom

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Bespoke Spring Manufacturing: Custom-designed and manufactured springs, wire forms, pressings, and assemblies sold to industrial customers (OEMs, system suppliers) across multiple sectors including automotive, aerospace, railways, energy, and more. Products are made-to-order rather than catalog items.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

United Springs manufactures custom-engineered wire springs (compression, extension, torsion, wire forms, augers, copper forms), pressings/stampings (leaf springs, brackets, bushes, compression limiters), and assemblies combining springs with other metal or plastic parts. All products are bespoke, made to customer specifications using a range of standard and exotic materials, with manufacturing executed through multi-axis CNC technology, Bihler multi-slide bending, hand coiling, and precision laser cutting.

Product overview

United Springs is a European leader in spring manufacturing offering a comprehensive portfolio of bespoke precision springs and pressings. The core offerings include Wire Springs (compression, extension, torsion, wire forms, augers, copper forms), Pressings (leaf springs, stamping, bushes/compression limiters), and Assemblings (combining springs with other components). These products are complemented by Engineering Services for design, prototyping, and Finite Element Analysis. The company serves diverse industries including aerospace, automotive, railways, energy, and industrial manufacturing with manufacturing facilities in France, the Netherlands, United Kingdom, and China.

Differentiator

Problem solved

Functional benefit

Products and services

• Wire Springs Wire forming products including compression springs (0.10-35mm diameter, 1 to 100 million pieces), extension/tension springs (0.20-4mm) manufactured on 19-axis CNC technology, torsion springs, wire forms (0.20-5mm), augers (5-10mm diameter, squared 10mm, up to 30 meters length), and copper forms (1.50-3mm) for electro-mechanical applications. Sold to industrial OEMs and system suppliers across automotive, aerospace, railways, energy, and other industries.
• Pressings Strip forming and stamping products including leaf springs (laser cut from 0.20-1mm up to 150mm wide), brackets from carbon steel, contact parts from brass or phosphor bronze, and bushes/compression limiters (0.20-2mm thickness) used to protect molded plastic components from compressive loads. Sold to industrial customers for lighting, electronics, and mechanical assembly applications.
• Assemblies Assembly services that combine springs with other springs, metal parts, or plastic parts. Manual assembly is used for small series while automated assembly is used for high-volume production at the machine or as a separate step. Targeted at industrial OEMs and system suppliers needing sub-assembled spring components.
• Engineering Services Design and development services including optimal spring solution development, material selection guidance, mechanical design optimization, Finite Element Analysis, in-house tool construction, and prototyping with soft-tool samples. Provided to industrial customers to help them design springs that meet desired function, service life, and assembly requirements.

Quantifiable outcome

• Set-up times reduced by 50%-75% with Bihler GRM NC investment
• +2 more outcomes

Named customers6 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

Feature12 records

Partnerships

One partnership is on record.

• Sogefi GroupcoreOthersUnited Springs is a subsidiary and part of the Sogefi Group, one of the world leaders in Suspensions, Filtration, and Thermal Management. Sogefi Group has over 40 years of experience, 5400 employees, presence on 4 continents in 18 countries, 35 production units, and 7 R&D centers. United Springs is part of the Suspension Business Unit.

Scale indicators10 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• Mubea Group: German global automotive supplier specializing in spring, stabilizer bar, and lightweight forming technology. Comparable to United Springs on precision springs and automotive pressings but at much larger scale (multi-billion revenue) across more component categories.
• Lee Spring Company: US-headquartered global spring manufacturer with a deep catalog of stock and custom compression, extension, and torsion springs. Comparable in product breadth but more catalog-driven with broader geographic distribution - overlaps United Springs on custom capability but differs on GTM.
• NHK Spring Co., Ltd. Japan-headquartered global manufacturer of automotive coil springs, suspension springs, and industrial springs. Directly comparable automotive spring offering but at significantly larger scale (publicly listed, multi-billion revenue) and with a much broader Asian OEM customer footprint.
• Barnes Group Inc. (Associated Spring): Large diversified industrial/ aerospace manufacturer whose Associated Spring unit produces precision mechanical springs and engineered components globally. Comparable to United Springs in automotive and aerospace spring capabilities but operates as part of a much larger public industrial portfolio.

Emerging players

• SBS Feintechnik GmbH: German precision spring and stamping manufacturer serving automotive, electronics, and medical markets. Comparable to United Springs in size, custom-manufacturing focus, and European industrial customer base, though with narrower geographic reach.
• Smalley Steel Ring Company: US specialty manufacturer of made-to-order retaining rings, wave springs, and custom flat components. Comparable in custom-engineered metal component manufacturing but narrower product focus and primarily North American footprint.

Direct peers

• Mühlbauer Group: German precision spring and stamping manufacturer with similar profile to United Springs - serving automotive, electronics, and industrial customers with custom-engineered components. Comparable in production technology and high-mix custom manufacturing approach.
• Lesjöfors AB: Sweden-based, one of Europe's largest manufacturers of custom and standard industrial springs, flat stampings, and pressings across automotive, industrial, and other sectors. Directly comparable to United Springs in product portfolio, custom-manufacturing model, and European OEM customer base.
• Scherdel GmbH: German family-owned manufacturer of technically demanding springs, stampings, and formed metal components, deeply embedded in automotive and industrial customers. Direct comparable in product mix, precision engineering focus, and European OEM-tier supply.
• TFC Europe (TFC Ltd): UK-based bespoke spring and wire form manufacturer serving aerospace, automotive, medical, and industrial markets. Closely comparable to United Springs in size, UK/European footprint, custom engineering service model, and AS9100/IATF certifications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/UnitedSprings

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries4 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 United Springs