Metlen
Energy & Metals

Metlen
Energy & Metals

The Company

UNISON isn't just a leader in Facility Management since 1977 – it's a strategic partner for established companies, guiding them towards a sustainable future. For decades, we've provided top-quality services, and today, we're leading the way in responsible environmental practices.

UNISON is a subsidiary of Metlen Energy & Metals (former MYTILINEOS), an industrial and energy multinational corporation listed on the Athens Stock Exchange, with a consolidated turnover and EBITDA of €5,5 billion and €1 billion, respectively.

UNISON’s continuous goal is to stay ahead of the competition by providing integrated Facility Management solutions perfectly tailored to each client’s needs, securing their healthy operations and constant growth.

Certifications

ISO 9001: Quality Management System

ISO 14001: Environmental Management System

ISO 45001: Occupational Health & Safety Management System

ISO 22000: Food Safety Management System

ISO 26000: Social Responsibility Management System

ISO 27001: Information Safety Management System

ISO 37001: Anti-bribery Management System

Πιστοποιήσεις

ISO 39001: Road Traffic Safety Management System

ISO 41001: Facility Management System

ISO 50001: Energy Management System

ISO 22301: Business Continuity Management System

COVIDShield: Certification of Safety against COVID-19 (Level: Excellent)

SMETA: SGS Greece S.A.

BS 10012:2017 + A1:2018: Personal Information Management System

Trusted by

Our history

1977

ISS Hellas is founded

2002

ISS Human Resources (100% ISS Hellas subsidiary) is founded

2018

The Company is acquired by a Greek strategic investor

2021

ISS Hellas is renamed UNISON

2023

UNISON is acquired by Metlen Energy & Metals

Our history

1977

2002

2018

2021

2023

ISS Hellas is founded

ISS Human Resources (100% ISS Hellas subsidiary) is founded

The Company is acquired by a Greek strategic investor

ISS Hellas is renamed UNISON

UNISON is acquired by Metlen Energy & Metals

Management team

Christina
Katsampalou

HR Director

Mandy
Sechremeli

Division Director Private Sector

Konstantinos
Moraitakis

Chairman & CEO

Management team

Christina
Katsampalou

HR Director

Mandy
Sechremeli

Division Director Private Sector

Konstantinos
Moraitakis

Chairman & CEO

How we operate

In the dynamic Facility Management Services field, there's constant interaction between people labor, technological means, and standardized processes.

By securing the symbiotic and collaborative relationship between our three operational pillars, PEOPLE – TECHNOLOGY – SYSTEMS, we ensure optimal functionality, absolute safety, and maximum efficiency of our provided services.

Our commitment to Health & Safety

UNISON employs thousands of dedicated professionals across Greece. Our respect for them and their daily struggles inspires our constant efforts to develop and promote a shared health and safety culture in our Company and throughout our Industry. We sincerely believe the most valuable commodity we can offer our people is ensuring they work in the safest, healthiest conditions possible.

Our commitment to Health & Safety

UNISON employs thousands of dedicated professionals across Greece. Our respect for them and their daily struggles inspires our constant efforts to develop and promote a shared health and safety culture in our Company and throughout our Industry. We sincerely believe the most valuable commodity we can offer our people is ensuring they work in the safest, healthiest conditions possible.

Our ultimate goal is to uphold the "1-0-0" standard always:

1. Remain our Industry’s leaders (1) in health and safety issues

2. Allow zero (0) severe occupational accidents

3. Suffer zero (0) fatal occupational accidents

To achieve this:

1. We remain committed to developing a shared Health & Safety culture across all interested parties

2. We provide employees with the necessary resources, training, and personal protective equipment to eliminate hazards and minimize risks

3. We adopt and strictly implement the health and safety regulations of the companies we support

4. We constantly improve our Health & Safety management system and conduct regular audits to ensure compliance with all existing regulations and best practices

5. We apply procedures as required by the ISO 45001 standard for Occupational Health & Safety Management

Athens
Agiou Louka & Ikarou 1,
190 02 Peania
Τ. +30 2130 113 300
F. +30 2130 113 301

Thessaloniki
Posidonos 87,
570 01 Pilea
Τ. +30 2310 026 500
F. +30 2310 334 728

info@unison.gr