Cousin Trestec - Rope Manufacturer for Industry and Sports


Cousin Trestec

Rope manufacturer, always more innovative

Located in the North of France, Cousin Trestec manufactures innovative ropes and braids. With 170 years of experience, Cousin Trestec is a key player in the industry and leisure markets.

Innovative rope manufacturer, for high performances

Cousin Trestec is a rope manufacturer specialized in fibres transformation by spinning, cabling, braiding and coating since 1848. Cousin Trestec is the reference on the rope market, with customers in various sectors, such as leisure and sport (yachting, climbing, caving, trekking, mountaineering, paragliding, kitesurfing...), safety (work at height, rescue, handling, events...), industrial (offshore, hoisting, automotive...) and military. With the benefit of the expertise from the group and its sister companies (Cousin Biotech, Cousin Composites, Major Sport – Tecnifibre), Cousin Trestec offers solutions matching your needs and brings you all their know-how to manufacture quality and innovative products. On top of our rigour and expectations for product design, we place your satisfaction in first place.

170 years of know-how and French quality

Cousin Trestec uses the best available raw materials to increase comfort, safety and performance: polyamide and high tenacity polyester, Technora®, Dyneema®, Twaron®, HMPE, Spectra®, Vectran® or the recent PBO®. Cousin Trestec has not only an unmatched knowledge of the materials, but also the ability to combine all the technologies and to control perfectly the thermic treatments (stretch, shrinkage, stabilization, waterproofing) and coatings. Cousin Trestec also designs your tailor-made products to your own specifications. Working with traditional know-how while mastering the high-tech fibres makes the Cousin Trestec hallmark.



Foundation of COUSIN Frères, specialising in spinning and braiding line, cotton and hemp yarns.

Late XIXth

Manufacturing of sewing threads and strings


1st rope-maker to use synthetic fibres.


1st products ranges dedicated to yachting and climbing.


Market Leader for paragliders and parachutes lines.


Market Leader for safety and access ropes.


CE marking.


COUSIN Frères creates a group with several subsidiaries for each activity - COUSIN Trestec, COUSIN Composites (rods and optic fibres) , COUSIN Biotech (medical implants), COUSIN Office (corporate general services).


Launch of the first range of lines for kitesurfing.


ISO 9001 Certification version 2000.


Dalle & Associés takes over COUSIN Trestec, COUSIN Composite and Major Sport.


Cousin Trestec develops Constrictor®, a new textile rope clutch which sets new standards in the sailing sector.


Cousin Trestec partners with "Souffle du Nord" with Thomas Ruyant and Adrien Hardy who made the 4th place in the IMOCA class at transat Jacques Vabre.

Cousin Trestec

Hot figures

working 30,000

km of ropes made each year

working 60,000

plaits necessary to the manufacture

working 170

years of experience

working 60

countries all over the world

working 80

mm diameter maximum



From January 31 to February 1 : Meet us at Sport Achat trade show

From January 31 to February 1 : Meet us at Sport Achat trade show

Find us from January 31 to February 1 at the Sport Achat trade show at Lyon Eurexpo, stand n°J27. We will be delighted to present our new ropes : 👉 Capella 9.8 rope for sport climbing 👉 Wall Expert 10 rope – perfect for indoor climbing and our entire range of ropes for mountaineering, climbing, […]

November 2022 : Meet us at Metstrade in Amsterdam

November 2022 : Meet us at Metstrade in Amsterdam

From November 15-17, meet us at METSTRADE Amsterdam – the world’s largest trade show for boats, equipment, and marine systems. On our stand 05.133, come and discover our range of ropes for mooring & anchoring, dinghies, cruising & performance. Would you like to schedule an appointment at the show? Send your request at :

MAY 2022 : Meet us at German Tree Care Conference in Augsburg, Germany

MAY 2022 : Meet us at German Tree Care Conference in Augsburg, Germany

From May 10 to 12, meet us at Deutsche Baumpflegetage in Augsburg, Germany. Visit our stand C16 to discover all our products from the tree work range. The new Atrax 11.6 will be there! Alongside the German Tree Care conference, it is the largest tree care fair in Europe for the past two decades. Several […]

March 2022 : Meet us at the Oceanology International tradeshow in London

March 2022 : Meet us at the Oceanology International tradeshow in London

From March 15 to 17, 2022 meet us at Oceanology International tradeshow at Excel London. On stand n°L200 check out our textile ropes and cables for oceanology. Our partner and co-exhibitor Kley France will also be present to offer you customized lifting and handling solutions. Oceanology International is the leading forum where industry, academia and […]