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Continuously active since 1927 with the Galeazzi business line, Drass has extensive experience in manned underwater technology, establishing the world record for deep diving immersion with an atmospheric diving suit in 1937.
The company is now international leader in commercial diving, medical hyperbarics, midget and compact submarines, and vehicles for special forces.

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Our Solutions

With nearly a century of tradition and continuous activity, Drass is a recognized world leader in commercial and defence subsea operation solutions.

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Drass is the leading company in Submarine Rescue thanks to its comprehensive range of solutions including design for turnkey submarine rescue ships, submarine rescue systems.

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Drass since 1927 the historic leader in the deep diving industry, innovative, safe and cost-efficient systems and equipment, in compliance with the highest industry standards.

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Drass has extensive experience in manned underwater technology, establishing the world record for deep diving immersion with an atmospheric diving suit in 1937.

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Latest Events

DRASS Seminar

Following the invitation from the University of Pisa at the last DII Talks (Dipartimento di Ingegneria dell'Informazione), attended by the entire second-year Telecommunication Engineering postgraduate course, DRASS held a seminar in which its main activities were introduced, its two fields of development: Commercial Diving and Defence. The conference had a particular focus on technology applied...

DRASS Christmas Dinners 2019

DRASS Group is happy to share some pictures from our company christmas dinners in Italy and Romania. During the evening, all our staff spent a wonderful time together, with great food and wine, great music, and of course excellent company! Happy Holidays and best wishes from everyone at DRASS!

DRASS Green Campaign

We continue to honour our pledge to the environment by becoming greener each year! We are doing this through the promotion and application of a very ambitious campaign entitled 'Environmental Footprint: DRASS Engagement', with various sub-projects currently in development. Through one such project, 'Plastic-Free', DRASS aims to significantly reduce the use of plastics and Co2...

DRASS Certification

It is with great pleasure that we share with you another major goal recently achieved by DRASS. DRASS100 Series System, installed on the Vessel Oriental Dragon, has now received the DSV Sat and Surface Class notation issued by DNV-GL.


DRASS is glad to share some pictures from Defence and Security Exhibition held in Thailand, 18-21 November 2019. Once again we want to thank all of our visitors for their interest in DRASS Defence Underwater Technology.

DRASS conference speakers at ADIPEC EXHIBITIONS

DRASS was one of the conference's designated speakers at the ADIPEC Exhibition in Abu Dhabi during 11-14 November 2019. David Marzi, Managing Director of Subspec, a Drass Group Company, unveiled the new DRASS D-ONE Diving Helmet in a presentation focusing on DRASS innovation in the commercial diving sector with the design and development of the...


Last week, DRASS was one of the conference speakers at the Submarine Technology Exhibition – Amsterdam, 29-31 October 2019. Davide D’Alessio, DRASS’ Defence System Designer Coordinator, discussed DRASS Submarine Rescue technology with a presentation entitled Drass Submarine Rescue and Salvage Systems & Designs, the New Generation of Deep Rescue Vehicle (DRV) and the Submarine Ventilation...


DRASS is glad to share some pictures from the following recent October Exhibitions: BIDEC (Bahrain International Exhibition & Convention Centre) held in Bahrain and SUBMARINE TECHNOLOGY in Amsterdam. We want to thank all of our partners and visitors once again for taking the time to stop by for a chat! DRASS AT BIDEC DRASS AT...

The Capacity of Subsea Industry in the National Field

On the 30th of September, DRASS took part in the “The Capacity of Subsea Industry in the National Field”, an important seminar dedicated to key Italian companies in the subsea defence sector. The event was hosted by the General Secretariat of Defence at Palazzo Guidoni in Rome. DRASS Managing Director, Sergio Cappelletti, was one of...


During the past months, Drass System Quality department was engaged with BSI for the annual re-certification covering Quality, Safety and Environment management systems. Drass has an Integrated Management System so the audit covered all three schemes:9001,14001 and 45001 At the same time, SQ was also audited in order to carry out the migration from OHSAH...