MEGA GUARD Group of Companies is one of the most esteemed and leading entities in the private security sector in Greece.
It stands out as the largest provider of security services and products in the country that is entirely based on Greek capital and interests. Its distinctly Greek identity, combined with the high quality of its security solutions, has earned the lasting trust of Greek society and professional institutions over time.
From its very first steps, MEGAGUARD demonstrated a strong commitment to quality and responsibility. The services and products it has offered since its inception were designed to meet the real needs of its clients and implemented with consistency and professionalism. This strategic approach was instrumental in the Group’s recognition and establishment in the Greek market.
The Group’s rapid recognition was not a matter of chance, but the result of hard work, structured planning, and the effective utilization of its skilled human resources. Its well-trained staff, use of cutting-edge technologies, and rigorous internal quality controls have all contributed to MEGA GUARD’s reliability across all levels of cooperation.
The Group’s dynamic growth became evident from its very first year of operation. In a highly competitive environment, it distinguished itself and strengthened its market position through rapid response times, service flexibility, and adaptability to the evolving needs of its clients.
The continuous development of the Group’s companies is driven by their ability to identify emerging market trends early and to innovate. The combination of traditional values with modern approaches forms a core pillar of their success. Investments in state-of-the-art technologies—such as intelligent surveillance systems and advanced security solutions—continue to reinforce the Group’s position at the forefront of the industry.
Main Clients
Embassies and Diplomatic Missions

British Embassy

Italian Embassy

Embassy of the UAE, Greece & Cyprus

Embassy of Austria

Embassy of the People’s Republic of China – Cyprus
Commercial groups

Notos stores

MOUSTAKAS

Attica

Dust + Cream
Transport, postal and logistics infrastructure

Hellenic Railways Organisation

Piraeus Port Authority

Elefsina Port Authority

Municipal Port Fund of the Southern Dodecanese (RHODES)

Municipal Port Fund of Chania

Urban Rail Transport

Elliniko Metro S.A.

Hellenic Post

Goldair Group
Educational Institutions

Aristotle University of Thessaloniki

University of Macedonia

International Hellenic University

Panteion University

Athens University of Economics and Business
Ministries

Ministry of Labour and Social Security

Ministry of Development

Ministry of Rural Development and Food

Ministry of Infrastructure and Transport

Ministry of Tourism

Ministry of Social Cohesion and Family

Ministry of Digital Governance

Ministry of Culture
Public Services

Independent Authority of Public Revenue

Thessaloniki Central Market

Public Real Estate Company

Public Employment Service

Central Markets and Fisheries Agency

O.P.E.K.E.P.E.

E.O.P.P.E.P.

Civil Aviation Authority

MoU S.A.

Building Infrastructure S.A.
Exhibition Center's and Event Venues

TIF – HELEXPO S.A.

METROPOLITAN EXPO

Thessaloniki Concert Hall Organization
Industrial Facilities

Metlen Εnergy & Metals

KLEEMANN

FIBRAN

KRI-KRI

ELVIAL

K&N EFTHYMIADIS

VITOM

REAL TOBACCO

TOWER

MILKPLAN

Lafarge

ETVA INDUSTRIAL AREA S.A.

AVAX Group
Energy infrastructure

HEDNO

D.E.P.A.

Coral Gas

BP

AVIN
Malls

Commercial & Business Center “PLATIA”

Commercial & Business Center “LIMANI”
Banking Institutions

Alpha Bank

Optima Bank

Cooperative Bank of Thessaly
Health Units

Papageorgiou General Hospital

G.N.TH. Hippocrates

General Hospital of Agios Pavlos

P.G.N. ALEXA/POLIS

Metaxas Anti-Cancer Hospital of Piraeus
MEGA GUARD Group of Companies is one of the most esteemed and leading entities in the private security sector in Greece.
It stands out as the largest provider of security services and products in the country that is entirely based on Greek capital and interests. Its distinctly Greek identity, combined with the high quality of its security solutions, has earned the lasting trust of Greek society and professional institutions over time.
From its very first steps, MEGAGUARD demonstrated a strong commitment to quality and responsibility. The services and products it has offered since its inception were designed to meet the real needs of its clients and implemented with consistency and professionalism. This strategic approach was instrumental in the Group’s recognition and establishment in the Greek market.
The Group’s rapid recognition was not a matter of chance, but the result of hard work, structured planning, and the effective utilization of its skilled human resources. Its well-trained staff, use of cutting-edge technologies, and rigorous internal quality controls have all contributed to MEGA GUARD’s reliability across all levels of cooperation.
The Group’s dynamic growth became evident from its very first year of operation. In a highly competitive environment, it distinguished itself and strengthened its market position through rapid response times, service flexibility, and adaptability to the evolving needs of its clients.
The continuous development of the Group’s companies is driven by their ability to identify emerging market trends early and to innovate. The combination of traditional values with modern approaches forms a core pillar of their success. Investments in state-of-the-art technologies—such as intelligent surveillance systems and advanced security solutions—continue to reinforce the Group’s position at the forefront of the industry.
Main Clients
Embassies and Diplomatic Missions

British Embassy

Italian Embassy

Embassy of the UAE, Greece & Cyprus

Embassy of Austria

Embassy of the People’s Republic of China – Cyprus
Commercial groups

Notos stores

MOUSTAKAS

ATTICA

Dust + Cream
Transport, postal and logistics infrastructure

Hellenic Railways Organisation

Piraeus Port Authority

Elefsina Port Authority

Municipal Port Fund of the Southern Dodecanese (RHODES)

Municipal Port Fund of Chania

Urban Rail Transport

Elliniko Metro S.A.

Hellenic Post

Goldair Group
Educational Institutions

Aristotle University of Thessaloniki

University of Macedonia

International Hellenic University

Panteion University

Athens University of Economics and Business
Ministries

Ministry of Labour and Social Security

Ministry of Development

Ministry of Rural Development and Food

Ministry of Infrastructure and Transport

Ministry of Tourism

Ministry of Social Cohesion and Family

Ministry of Digital Governance

Ministry of Culture
Public Services

Independent Authority of Public Revenue

Thessaloniki Central Market

Public Real Estate Company

Public Employment Service

Central Markets and Fisheries Agency

O.P.E.K.E.P.E.

E.O.P.P.E.P.

Civil Aviation Authority

MoU S.A.

Building Infrastructure S.A.
Exhibition Center's and Event Venues

TIF – HELEXPO S.A.

METROPOLITAN EXPO

Thessaloniki Concert Hall Organization
Industrial Facilities

Metlen Εnergy & Metals

KLEEMANN

FIBRAN

KRI-KRI

ELVIAL

K&N EFTHYMIADIS

VITOM

REAL TOBACCO

TOWER

MILKPLAN

Lafarge

ETVA INDUSTRIAL AREA S.A.

AVAX Group
Energy infrastructure

HEDNO

D.E.P.A.

Coral Gas

BP

AVIN
Malls

Commercial & Business Center “PLATIA”

Commercial & Business Center “LIMANI”
Banking Institutions

Alpha Bank

Optima Bank

Cooperative Bank of Thessaly
Health Units

Papageorgiou General Hospital

G.N.TH. Hippocrates

General Hospital of Agios Pavlos

P.G.N. ALEXA/POLIS

Metaxas Anti-Cancer Hospital of Piraeus