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About us

Plefsys is a focused, high-performing bid consultancy firm with a proven record in winning competitive EU tenders. 

Led by Kostas Maras, a senior specialist with 30+ years of experience, PlefSys combines strategic thinking, persuasive writing and tight coordination to deliver successful bids. 

Since 2017, we have helped our client (SWORD Technologies LUX/BE
and SWORD Services GR) secure 40 winning contracts, grow revenues from €25 M to €75 M, gaining major customers such as EULISA, DIGIT, the European Parliament, DG TAXUD, EIB, EUROSTAT, EIOPA and EUROCONTROL.

Meet the Founder

Kostas Maras 

Before founding Plefsys, Kostas spent 17 years at Intrasoft International (1999–2017) as Bid Director, Writer and Business Development Manager, leading large-scale tendering efforts across Europe.

 

During that time, he:

  • Analysed over 600 tender specifications

  • Submitted more than 320 proposals

  • Secured 180 contract wins, totalling over €2 billion in awarded value

 

This deep experience laid the foundation for the strategic, high-impact approach he brings to every client today through Plefsys.

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