About us

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In perfect symbiosis with the industry

OTA’s core business consists of the conversion and marketing of abrasive products covering various fields of activity and applications.

OTA was founded on June 1973, at the initiative of its majority shareholder, based on the extensive experience it had in the Portuguese abrasives market.

The activity started in leased facilities in Porto and focused on importing and converting products of the main European abrasives’ producer of that time.

From the conversion of coated abrasives belts and rolls, OTA quickly engaged on the production of other types of products and started to represent, in Portugal, other first-class European manufacturers.

In order to sustain growth, OTA moved, in 1986, to its own facilities in the industrial area of Porto, where various types of products are converted, using standard and its own manufacturing processes designed and developed internally.


To be a reference in the conversion of flexible abrasives


To be a sustainable and remunerating company for its main stakeholders:
shareholders, employees, customers and suppliers


Client centric
Value Added
Long Term Relationships


Distinguishing itself by excellence in providing services/products to B2B clients with quality, rigor, speed and superior customization

Rua António Silva Marinho, 157
4100-064 Porto – Portugal
(+351) 226 178 423
(+351) 226 178 443

Call rates to portuguese fixed network

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