What We Offer

11 European Languages
As a truly international company we are able to attend our customers in 11 European Languages.
Experience Counts
Between us we have over 100 years of seagoing experience as well as a multitude of qualifications.
ISO9001:2015 certification
We are holders of the prestigious ISO9001:2015 certification and have been approved by Lloyd's.
Spanish Certified
We are authorised by the Dirección General de la Marina Mercante and the Conselleria de Industria.

Our company history

As a truly international company we are able to attend our customers in 11 European Languages.

Welcome to O.S. Safety Equipment S.L. is one of the leading marine safety specialists in the Mediterranean. Established in 1997, O.S. is managed by a multi-national team with many years of experience in seagoing, both professional and yachting. We offer our clients a total advisory service in all areas of marine safety, from trustworthy life raft servicing to the supply of a vast range of marine safety equipment, for commercial or recreational use.
O.S. Safety Equipment S.L. is constantly updating their range of products & services in order to provide the most efficient service to our clients. We are both manufacturers and distributors of marine safety equipment. Not only do we hold a huge range of products in stock, but we can supply virtually any piece of equipment you require. We are holders of the prestigious ISO 9001:2015 certification and have Lloyd's approval.


oscar sierra team photo 2014


Brian Kernaghan
Company Chairman
Yessica Llabrés
Managing Director

Yessica has worked in shipyards & refit companies for 10 years, spent 5 years crewing, mainly in sail charters. Joined O.S. in 2003, and has been managing director since 2010.
Olivier del Rio
Technical Director

Ollie comes from an engineering background having completed his original training in Belgium.
He manages the fire & gas department & holds multiple certificates for marine protection/detection systems. He is a qualified SCUBA engineer . Joined O.S. in 2007
Victoria Belmonte

Vicky has been with O.S. since 2000 .She started in reception, then advanced through the various departments. She has been our internal accountant since 2007

Mireia Custodio

Mireia looks after all certification and has been in the yachting business for more than 35 years, mainly organising regattas. As a committee member for the discovery race, (3 times), & team logistics for the IMDV Americas cup challenge in San Diego. She once sailed from Puerto Rico to Brittany on a 9 mtr yacht.
Brian Kernaghan

Elke joined the team in 2014 as the assistant to the M.D. and is also responsible for stock control.

Max Westwood
Max - Tel: +34 639 693 924
Sales Director
Max has had a lifetime at sea. He has been in the yachting business as mate & captain for 20 years. Before that he was 7 years working in the commercial fishing industry, mainly in the Western approaches. Has been with O.S. since 2007.
peter melin
Peter - Tel +34 609 652 935
Sales & Service
Peter has had 22 years in the yachting industry, 18 of those as captain. He is the only one of our team to have had personal experience of a ship sinking. He once spent 15 hours floating around the Med. before being rescued. Ask him about lifejackets !! Peter has been with OS since 2009.
Frank Tel +34 667 587 420
Sales and Service frank@oscarsierra.com

Frank is a recent addition to our sales force and comes from a long career in yachting and yacht safety. He has excellent knowledge of onboard safety procedures and relevant equipment.
Susana takes care of our invoicing, ensuring the efficient transfer of data between OS and the client.
Production Manager

Rafa has been working with OS since 2002. He has been production manager since 2007 Rafa deals with SARTS & EPIRBS, programming and registration. He runs the 12 man servicing team for liferafts, lifejackets, Jonbuoys as well as rescue boats and Ribs
Sales Coordinator

Marcela has been with O.S since 2010. She organises incoming orders and prepares quotations and estimates in collaboration with the Sales team.

Transport Leader

Toni our driver and crane operator, runs our transport for deliveries and collections and liaises with Natasha on logistics.

Natasha organises all deliveries and collections, liaises with yachts and shipyards and arranges that the serviced equipment is delivered on schedule.
Reception and Certifcation

Kiana is the first to greet you at our large service division. She also works closely with Mireia looking after certification.

There´s more than 100 years of experience here, and more than one million ocean miles….

Only OSCAR SIERRA can put these levels of expertise AT YOUR SERVICE