• Company of Innovative Objects
    Strong on the war front, Safe for the Country

High quality, reliability and flexibility. Welcome to the Manufactory of Wire Harnesses

Who we are

The People Behind CoIO

CoIO is a company specialized in Wire harness manufacturing, employing over 130 dedicated professionals. We offer comprehensive assembly and processing services with a focus on wiring. Our expertise covers a wide range, from simple electrical and electronic wiring to complex sectors such as Aerospace, Military, Automotive, Medical, Industrial, and other specialized applications. Additionally, CoIO excels in designing, developing, and providing thorough documentation services in the field of cabling.

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Porto means Quality Quickness, Professionalism

What we offer you

New product development

Do you need new wiring for your upcoming or existing project? We are here to provide you with the best solution.

Product Improvement

Do you have a problem or want to improve your existing product? We will deliver the results you need.


Quality, Quickness, Flexibility. So simple to say, but so difficult to implement. With the right system, you get the result!

2D/3D Product design

Do you have a product and need a company to manufacture it? We will handle both its design and construction for you.

Raw Materials

Raw materials: the A to Z of your product. That’s why we have selected the best suppliers, tailored to meet your specific requirements.

  • Ensure the Quality
    Get to know us by starting with an email!

Our company News

8 Apr

Join Our Team

Our company is growing and we are looking for new partners for specialized positions…

20 Jan

VDA 6.3 Audit

We are pleased to announce a successful VDA 6.3 inspection at our company’s production facilities…

19 Nov

ISO 50001:2018

We are proud to announce the certification of our company’s energy management system with new goals and standards…


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Contact details

  • Address: Filippou 20, Drama 66100, Greece

  • Phone Number: +30 25210 37 325

  • Email: info@compoio.com

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