Precision mechanical solutions for the most stringent requirements
Expertises & Synergy
We design, manufacture and assembly
gears and transmission products
to meet the most demanding requirements
SADEV GROUP is a French and international industrial group, specialising in the design, manufacturing, and assembly of gears and transmission products that meet high-precision requirements.
Structured around four main areas of expertise – project engineering, high-precision machining, quality control, and logistics assembly and services – the group covers the entire value chain and is committed to meeting the needs of the most advanced sectors, such as motorsport, aeronautics, nuclear, petrochemicals, rail, energy, defence, and industry.
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340
employees
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€ 45
million in turnover
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4
production sites
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70%
of turnover from exports
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Over 70
years of experience in gearing and transmission
An international industrial group
With production sites in France, Portugal, Tunisia, and the United States, SADEV GROUP enjoys a global reach, with a presence in 109 countries.
With over 70 years of experience in some of its companies, the group strengthens this international coverage through a local organization that ensures proximity to its customers. This enables the company to offer tailor-made solutions that combine adherence to strict standards, industrial excellence, and cost control.
Excellence and precision
combined with the diversity of our expertise
SADEV GROUP puts excellence and precision at the heart of every project.
From engineering to logistics, each area of expertise is integrated into the group, guaranteeing total control of the process and the ability to provide customised solutions of the highest quality.
Thanks to the diversity of its expertise and the complementary nature of its know-how, SADEV GROUP is able to meet the most stringent requirements.
Our specialty :
high-tech transmission products for niche markets
Industry
Nuclear
Mobility
Aeronautic
Motorsport
Defense
4 areas of expertise
to meet your requirements
We offer you a flexible solution tailored to your needs, combining four complementary areas of expertise. We can also respond specifically to your needs by concentrating on one of them.




Our commitments
SADEV GROUP stands out for its ability to bring innovations to the market in terms of design and materials. They are carried out independently or in co-design with you to respond to the most demanding projects as quickly as possible.
We capitalise on the expertise we have acquired and invest in it. These investments relate to production facilities and the optimisation of our resources. We are committed to developing our teams' skills through our in-house training centre, which features a machining simulator.
Join the team
Discover the opportunities within an international group of 340 employees committed to excellence. We are equipped with state-of-the-art machinery and support the skills development of our teams through our internal training centre, which is equipped with a machining simulator.