MGB

What MGB does

MGB is a four-generation, family-owned precision bar turning (decolletage) and micromachining subcontractor headquartered in Marnaz, Haute-Savoie, France, operating three production sites in France (75 machines, 4,500 m², €12M turnover in 2025), the USA (Franklin, MA; 16 machines, €2.2M), and China (Shanghai Jiading; 37 machines). The company produces custom turned components ranging from Ø 0.2 mm to Ø 100 mm and up to 400 mm long, in metal alloys and plastics, for production runs of 10 to 500,000 pieces, using a primarily Tornos-based CNC fleet spanning sliding-headstock, fixed-headstock, and Hydromat transfer configurations. Its core technology is qualified co-development and micromachining rather than proprietary software; differentiating tools include 500 ERP-connected GPS-tracking electronic labels for lot traceability, numerical knowledge-capitalization tablets, automated chip sorting with oil recovery, and an in-house FabLab for custom tooling.

The company's revenue model is project-based, quote-driven B2B subcontracting: customers submit part specifications and MGB delivers machined components with optional integrated services (co-development, deburring, heat treatment, partial annealing, surface treatment coordination, assembly, and international logistics). Pricing is bespoke and not publicly disclosed; billing cadence spans multi-year contracts and per-series orders. MGB sells directly to Tier 1 aerospace and defense OEMs (Safran, Thales, MBDA, TE Connectivity, Parker Meggitt, Liebherr, Radiall, Souriau) and to medical and connector manufacturers (Straumann, GE HealthCare, Bausch & Lomb, Amphenol), with end-markets split across aerospace, defense, space, medical, connectors, telecommunications, electric vehicles, and instrumentation. Group turnover reached €17.5 million (~$20.5M USD) in 2025 with 118 employees across the three sites.

MGB's competitive position rests on a deep regulatory and quality certification stack (ISO 9001, ISO 14001, ISO 13485, EN/AS 9100, ITAR, REACH, RoHS, TUV), nearly 70 years of accumulated micromachining know-how, and a multi-continental footprint that delivers supply-chain resilience to Tier 1 buyers. The company reinvests approximately 8–10% of turnover annually into equipment, digitalization, and employee training (3.37% of payroll in France in 2025, above the legal minimum), and reports operational metrics such as >97% on-time delivery and 0 ppm NCR for major aeronautics customers. MGB is privately held under the SA MGB legal entity, with wholly-owned subsidiaries MGB US Inc. and MGB China, no external investors or parent company disclosed, and active engagement in French industry associations including GIFAS, Aerospace Cluster AURA, and UIMM 74.

Name

MGB

Legal name

SA MGB

Website

https://mgb.fr

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

101–250 employees

Short description

MGB is a four-generation French family-owned precision bar turning (decolletage) subcontractor with three production sites in France, the USA, and China, serving Tier 1 aerospace, defense, space, medical, and connector OEMs with custom-machined components from Ø 0.2 mm to Ø 100 mm.

Ownership category

akta.pro rank

Headquarters

HQ city

Marnaz

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Precision turned component manufacturing: MGB generates revenue through the manufacture of precision turned (decolletage) components on a per-part, per-batch basis. Services include co-development, machining, deburring, heat treatments, partial annealing, assembly, and management of external contractors. Revenue is project- and order-based, driven by production volumes ranging from 10 to 500,000 pieces per series. The company operates as a subcontractor to Tier 1 OEM suppliers and SMEs.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

MGB is a precision bar turning (décolletage) and micromachining subcontractor producing high-tolerance turned components in diameters from 0.1 mm to 16 mm on a fleet of roughly 130 CNC machines. It supplies Tier-1 OEMs in connectors, aerospace, defense, medical, telecommunications, electric vehicles and instrumentation with a fully integrated service spanning co-development, machining, deburring, heat and surface treatment, assembly, metrology and international logistics.

Product overview

MGB is a family-owned precision bar turning (decolletage) company offering micromachining services for critical markets. The core offering combines precision machining with integrated complementary operations: co-development, machining, deburring, heat treatments, partial annealing, assembly, international logistics, and electronic labeling/tracability. The company operates Tornos-based machining centers across France, USA, and China sites, supported by value-added services including surface treatments, metrology, knowledge capitalization tablets, and FabLab capabilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Precision bar turning and micromachining manufacturing services

Quantifiable outcome

• On-time delivery (OTD) > 97% for Safran Electrical & Power — October 2025
• +7 more outcomes

Named customers13 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• Aero Excellence (GIFAS)coreStrategic or Co-development Partner · 1 January 2024MGB is committed to the Aero Excellence approach launched by GIFAS in 2024, a framework reinforcing operational, environmental, and cyber excellence maturity across the aeronautic, space, and defense supply chain.
• GIFAS (Groupement des Industries Françaises Aéronautiques et Spatiales)coreStrategic or Co-development PartnerMGB is a member of GIFAS, the French aerospace industries association. The company won the GIFAS Space Award in 2021 and participates in GIFAS-led improvement programs including the Project Space Industries of the Future (2019-2020) aimed at improving supply chain competitiveness, attractiveness of SMEs, and industrial flexibility.
• Cetim CTDECminorStrategic or Co-development PartnerMGB partners with Cetim CTDEC (Centre Technique des Industries Mécaniques), the mechanical industries technical center located in Cluses, for technical expertise, process development, and industry knowledge sharing in precision machining.
• TornoscoreTechnology or IntegrationTornos is MGB's primary machine tool supplier. The core of MGB's production across all three sites (France, USA, China) relies on Tornos high-precision CNC turning machines including EvoDeco, Deco, MS7, Nano, MultiSwiss, Gamma, GT, Delta, and Sigma models. Tornos machines span both sliding headstock and fixed headstock configurations.
• UIMM 74 (Union des Industries et Métiers de la Métallurgie Haute-Savoie)minorStrategic or Co-development PartnerMGB is affiliated with UIMM 74, the Haute-Savoie metallurgical industries union, supporting workforce development, industrial relations, and sector representation.
• MEDEF Haute-SavoieminorStrategic or Co-development PartnerMGB is affiliated with MEDEF, the French business confederation, representing and supporting French companies in industrial sectors.
• Région Auvergne-Rhône-AlpesminorStrategic or Co-development PartnerMGB participates in Région Auvergne-Rhône-Alpes initiatives including the Club Industrie 7.4 digitalization program and benefits from regional support programs. The region is also listed as a partnership on the company website.
• Aerospace Cluster Auvergne-Rhône-AlpesminorStrategic or Co-development PartnerMGB is a member of the Aerospace Cluster AURA, a regional cluster supporting aeronautics, space, and defense companies through networking, collaboration, and market access.
• Auvergne-Rhône-Alpes EntreprisesminorStrategic or Co-development PartnerAuvergne-Rhône-Alpes Entreprises organized the Club Industrie 7.4 visit to MGB, facilitating knowledge exchange on digital transformation between regional industrial companies.
• ApiCréaminorOthersApiCréa supports MGB's CSR and environmental initiatives by managing the three beehives installed on MGB's company grounds, enabling annual honey harvests and contributing to local biodiversity awareness.

Scale indicators14 records

Recent moves8 records

Expansion highlights5 records

Others

• Bodycote: Global heat treatment and surface technology services provider (LSE: BOY). Overlaps with MGB only on the heat-treatment/annealing service offering within MGB's integrated subcontracting model — Bodycote is a specialist services provider rather than a parts manufacturer.
• Tornos: Swiss manufacturer of Swiss-type CNC turning machines — MGB's primary equipment supplier across all three sites. While not a parts competitor, Tornos anchors the same micromachining ecosystem and customer base; its installed base and service network shape MGB's competitive landscape.

Broad incumbents

• LISI Aerospace: French tier-1 aerospace fasteners and precision components supplier serving Airbus, Boeing, Safran, and other primes. Comparable customer base and aerospace quality regime, but LISI is a much larger, publicly-listed group with broader product portfolio (fasteners, structural components).
• Aubert & Duval: Large French metallurgical specialist and forged/machined parts supplier owned by Eramet/SAFRAN consortium. Overlaps with MGB on aerospace and defense customers and precision parts production, but operates at much larger scale with proprietary alloys and forging capabilities.
• Precision Castparts Corp. Berkshire Hathaway-owned global manufacturer of complex metal components for aerospace, power, and industrial markets. Comparable in regulated-industry precision manufacturing and aerospace OEM relationships, but operates at incomparably larger scale with proprietary casting/forging processes.
• Howmet Aerospace: Global aerospace engineered products leader (NYSE: HWT) producing precision castings, fasteners, and components for jet engines and airframes. Overlaps with MGB on aerospace precision components and ITAR-driven defense work, but at vastly larger scale and with vertically integrated casting/forging.

Direct peers

• Marle Group: French precision machining specialist focused on orthopedic and dental implants for OEMs like Stryker and Johnson & Johnson. Highly comparable to MGB's medical segment in materials (titanium, medical stainless steel), tolerances, and ISO 13485-driven quality regime.
• Mecachrome: Canadian-headquartered, French-rooted precision machining subcontractor serving aerospace, defense, and motorsport. Directly comparable business model — contract CNC machining of complex, tight-tolerance parts for Tier 1 aerospace customers (Safran, Pratt & Whitney, Rolls-Royce).
• Figeac Aéro: French aerospace subcontractor (€400M+ revenue) manufacturing precision mechanical parts for Airbus, Safran, and other Tier 1 OEMs. Comparable to MGB in customer overlap (Safran, Thales) and aerospace subcontracting model, but at materially larger scale and with broader process capabilities.
• Norman Noble: US-based ultra-precision machining subcontractor for medical implants and aerospace components. Comparable in precision-turning capability, regulated-industry customer base (FDA-cleared medical, aerospace), and reliance on advanced CNC Swiss-type and mill-turn machines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mgb-decolletage

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries2 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 MGB