The beginning


It all started by two brothers, Constantine and Vasileios Kousioris. In 1956, Constantine Kousioris was working as an apprentice engineer in different garages.


“Avrasoglou” and “KOSTAKIS”


In 1960, he was hired as engineer in “Avrasoglou” Company and he was specialized in the maintenance of professional vehicles called “Hanomag”. In this company, he shined with the name “KOSTAKIS” and he became famous all over Greece.


Vasilis Kousioris


In 1963, Vasilis Kousioris was hired in the same company as well and worked as an engineer assistant.


“KOSTAKIS” foundation


In 1965, the two brothers decided to deal with the maintenance of the vehicles mentioned above. As a result, they founded a company named “KOSTAKIS” at Roof area (opposite the Army Camp).


Company transfer


In 1967, the company was transferred to a larger space (3, Karion and Konstatinoupoleos street).


Owned facilities


In 1971 the company was transferred again to privately owned facilities (102, Iera Odos street, opposite to Iera Elia).


Over 40 years of specialization in Mercedes


In 1974, after the merging of “Hanomag” with “Mercedes-Benz”, “KOSTAKIS” company began to deal with “Mercedes-Benz”.


New company transfer


In 1979, because of this progress, “KOSTAKIS” company was transferred to new owned facilities (2.500 square meters) located in 95, Iera Odos street. This is the place where the most modern vertical sheltered unit was created and it was fully equipped according to the “Mercedes-Benz” specifications.


Thomas Kousioris


In 1995, Constantine’s son, Thomas Kousioris, became part of the company and a new dynamic era began. In 1997, Vasilis’ son, named also Thomas Kousioris studied in the Electrical and Electronic Engineering Department in the University of London. Until 2001, he had finished his master studies in Scotland. From 2001 to 2004, he dealt with practical cases in the field of ‘Service Providing of Professional vehicles’ and was present at seminars associated with the ‘Mercedes-Benz’ professional vehicles.


Company’s name change


In 2004, Constantine Kousioris was retired and the company’s name changed into V.Kousioris & Son General Partnership. Its distinctive title was “KOSTAKIS”.


Cooperation – Lampros I. Mylonas


In 2005, it started our cooperation with the distinguished topographer, Mr. Lampro I. Mylona. Our main purpose was the affirmation and the consolidation of the rights of our business. Since then, Mr. Lampros I. Mylonas acquires consultative powers in matters concerning our company. Meanwhile, Mr. Kyriakos I. Pahadiroglou becomes the manager of TRUCKSERVICE vehicle support area.




2008 was the year of constant renovations in all areas. Warehouses, offices, garages, toilets, staff changing rooms with lockers storage, equipment etc. are some of the areas that were renovated, created and then began to be inspected daily.




In 2010 with a view to full truthfulness, we were the first who applied the system of delivery of spare parts which were placed to you via special bag (environmentally friendly) in Greece.




In 2011, after several years of advertising in the magazines and press, it was reinforced the advertising visibility of the company through Internet (Facebook, Google etc.).




In 2012 “KOSTAKIS” company was certified by the “ACM Limited”, with “ISO 9001” for the activities of “Service providing and vehicles and spare parts trade”.




In 2013, a new company was founded and simultaneously was created the new business group “KOUSgroup” which started dynamically. Target of the new company, beyond the service providing, alignment and balancing, MOT control and imports of professional vehicles, was the service of armored vehicles and other special cases.


Upgrade in every level


In 2014 important work has been completed to our facilities and the number of the 24-hour service was upgraded. The training by “Mercedes-Benz” has been a high priority. Our staff has attended seminars at the premises of “Mercedes-Benz”. What is more many other seminars have been carried out at our premises for the correct diagnosis and maintenance of your vehicle. We began our cooperation with a renowned law firm in order to preserve the “KOUSgroup” partnerships both in Greek and European level. Alongside, Mr. Lampros I.Mylonas, the topographer, was upgraded to an enterprises’ consultant of “KOUSgroup”.




In 2015, its trade name “KOSTAKIS” is secured and changed in “TruckService”. The company “TruckService” upon the 95, Iera Odos belongs to “KOUSgroup” enterprises and is capable of supporting and other professional vehicles alongside the vehicles of “Mercedes-Benz” since it has diagnostics machines for all the companies.


New Upgrades


2016 was a year of upgrades and improvements in various areas of the KOUSgroup group. Indicatively, we mention the following sections: electrics, cooperation with 3M, frenometers, exhaust analyzers, oscilloscopes, alignments, balancing, special delivery of vehicles, quality control, new 24h vehicle service, IT team, ERP program of the group, logos and slogans group.


Upgrades continue…


In 2017 we continued our upgrades in order to offer you the best. In particular, the upgrades concerned the following sections: new diagnostic machines, Mitsubishi specialization, Mitsubishi spare parts stock, new generation new generation of new generation battery chargers, pre-engineered and new-generation dyeing equipment, complete ventilation system renovation. exclusive collaboration of the paint shop with the German company MIPA, new perimeter and floor lighting, use of electronic signature tablets, cooperation with the largest Greek banks, photography, we took part in the Hellenic Organization for Company Sport & Health – HOCSH.


Trucker – Quality & Reliability


In 2018 a new Greek company joined KOUSgroup. This company is mostly dealing with importing vehicles. TRUCKER is a brand name that reflects the vision KOUS had decades ago. With a logo that connects with all the other companies TRUCKER is all about innovation. www.trucker.gr


e-shop trucker.gr


In 2019 the e-shop trucker.gr was created by KOUSgroup to offer quality products to the modern professional and not only. With collaborations of the top brand name WURTH and the corresponding quality of the products it reflects, the online shop trucker.gr aims to provide quality products at advantageous prices!


In 2020 the following took place:


  1. List price list kousgroup.gr with eShop trucker.gr
  2. Extension of the distinctive features of the group (numbering more than 220 linked pages) with the view parallel to the trucker.gr του MrMercedes .gr
  3. With slogan MrMercedes.gr trust only trucker.gr – Because Quality Matters! We promote to the public of the leading German car manufacturer the exceptional accessories we have in the trucker.gr  at the same time as the WURTH products.
  4. Expansion in the field of Mercedes passenger car spare parts through eShop MrMercedes.gr
  5. Expansion in the field of commercial vehicle rental – creation of a corresponding section in eShop.
  6. Configuration and display of distinctive features in the group’s facilities.
  7. Extension of KOUSgroup group insignia
    1. Disinfection of the group premises with special cleaning products, which meet the necessary standards of control of COVID-19, while offering protection against germs, bacteria, viruses, fungi, hepatitis B, HIV , SARS et al.
    2. Disinfection of vehicles with special cleaning products, which meet the necessary standards of control of COVID-19, while offering protection against germs, bacteria, viruses, fungi, hepatitis B, HIV, SARS etc.
    3. Biological cleaning of vehicles with special cleaning products, which meet the necessary standards of control of COVID-19, while offering protection against germs, bacteria, viruses, fungi, hepatitis B, HIV, SARS et al.
    4. Configuration of special points -spots- providing the necessary Personal Protection Measures (PPE).
    5. Posting in all areas of our group instructions for the protection and use of Personal Protective Equipment (PPE).
    6. Creating a special web page at trucker.gr to provide necessary Personal Protective Equipment (PPE).We dynamically limited the spread of COVID-19, we carried out & amp; apply on a permanent basis
  8. Acquisition of state-of-the-art diagnostic equipment to support EURO 6 engines.
  9. Investment in central systems upgrade for the full support of EURO 6 + technology vehicles
  10. Attend seminars in support of electric vehicles.
  11. Extension of eshop activities www.trucker.gr at abroad! A dream come true and another goal realized for the KOUSgroup (TRUCKSERVICE – TRUCKER – KOUSGROUP).
  12. We have grown and expanded our existing exhibition that we have always had with accessories.
  13. We have created a Showroom – Exhibition with WURTH products & amp; MERCEDES – The world’s first in house exhibition in a vertical commercial vehicle support unit is a fact.
  14. Upgrade to a new generation of advanced servers!
  15. Vehicle control program collaboration with trucker.gr (ESO) Vehicle Fleet Control – TRUCKSERVICE Quality Control
  16. Seminars in relation to the General Data Protection Regulation (GPA).
  17. The KOUSgroup group of companies (TRUCKSERVICE – TRUCKER – KOUSGROUP) is harmonized with the General Data Protection Regulation (GTC). Group of companies KOUSgroup (TRUCKSERVICE – TRUCKER – KOUSGROUP) is harmonized with the General Data Protection Regulation (GDPR).
  18. We continue to support the sport of football, windsurfing and table tennis. Promoting sports is always our mission!


In 2021 the following took place:


  1. Extension of the exclusive cooperation with WURTH HELLAS in online shopping – Authorized Dealer by WURTH HELLAS!
  2. Representation through eShop www.trucker.gr leading vehicle handling company AGROPA.
  3. The expansion of the group to Mercedes car spare parts as well as to commercial vehicle spare parts.
  4. The creation of other subcategories in trucker.gr such as shields, equipment, protection, rentals, vehicles and more.


In 2022 the following took place:


  1. Award from the Fire Service for our contribution to the support of their vehicle fleet.
  2. Study for the creation of a charging station and relevant licensing for the repair of electric vehicles with the necessary specifications.
  3. Certification according to the environmental management system ISO 9001 & ISO 14001 on the provision of services, spare parts and vehicles.
  4. ISO 9001 quality management system update & ISO 14001 on the provision of services, spare parts and vehicles.
  5. The introduction of a biennial group newspaper in printed and electronic form.
  6. Full support for EURO VI commercial vehicles.
  7. Creating space to maintain the correct temperature through three-phase current of the refrigerated trucks of our partners.
  8. Extensive use of special devices (dehumidifiers & related) to keep the items we supply (spare parts, accessories & related) at the right temperature.
  9. Improving quality control – d 100% quality assurance by carrying out continuous daily quality control of products!
  10. Use an electric scooter to deliver the vehicle to your place without the additional burden of the environment by us. The electric scooter εύκολα is easily stored in the passenger compartment and your vehicle is delivered by the delivery manager who then leaves your premises with the electric scooter and the Mercedes helmet. The scooter is compatible with all safety protocols following all road safety rules and has the necessary approvals.
  11. Introduction of K – KOUS with K!