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POLICIES AND STATEMENTS

ONNA’s policies and standards reflect the requirements of working with diplomatic missions, security-sensitive facilities and international clients. Operating across multiple jurisdictions demands rigorous governance — from information security and data protection through to health and safety, quality management and ethical business conduct. These commitments are embedded in our project delivery and guide every engagement.

Engineering your Vision

Core Values

Quality

Delivering to specification, on programme and to the highest professional standards across every project.

Integrity

Transparent, honest engagement with clients, partners and supply chains — doing what we commit to.

Accountability

Direct responsibility from design through to commissioning, with clear ownership at every stage.

Respect

Valuing the people, communities and environments in which we operate.

Progress

Investing in our capabilities, processes and people to deliver better outcomes on every project.

Unlocking Safety Deposit

Information Security & Data Protection 

ONNA is ISO 27001 certified and committed to the highest standards of information security. Working with diplomatic missions and security-sensitive facilities demands rigorous protection of project data, facility layouts, client information and all classified documentation. Our information security management system ensures confidentiality, integrity and controlled access across every project — from design data through to on-site operations.

Construction Project

Health and Safety

We are committed to ensuring our values, including integrity, transparency, inclusiveness and responsibility, underpin all that we do. 

Onna Staff Working

Quality & Ethics

Our approach to quality extends beyond technical standards. We believe quality is inseparable from ethical conduct — delivering what we promise, maintaining transparency with our clients and partners, and upholding integrity in every decision. Our Quality Management System ensures consistent delivery standards across all projects, while our ethical framework governs how we engage with clients, supply chains and local communities.

Green Indoors

Sustainability

Onna has a significant influence over, and potential impact upon, the economic, environmental and social wellbeing of the communities in which it operates. By recognising, addressing and embracing these issues as a fundamental part of maintaining a sustainable business today, we are committed to meeting our corporate responsibilities for the sake of future generations. 

Equality and Diversity

Onna is committed to eliminating discrimination and encouraging diversity amongst our workforce. Our aim is that our workforce will be truly representative of all sections of society and each employee feels respected and able to give of their best. 

MDT-Anti-Bribery-and-Anti-Corruption-Pol

Anti-Bribery, Corruption and
Fraud

One of our Company’s core values is to uphold responsible and fair business practices. It is committed to promoting and maintaining the highest level of ethical standards in relation to all of its business activities. Its reputation for maintaining lawful business practices is of paramount importance and this Policy is designed to preserve these values. 

Global Footprint

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ONNA provides complete MEP project delivery for complex facilities worldwide — from engineering design and budget estimation through procurement, installation and commissioning. With active operations across three continents, we serve diplomatic missions, commercial developments and hospitality facilities.

Mon - Fri  8:30 - 17:30  (GMT +3)

Connect

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Credentials

Iso 27001
Ungm
MEP- 2040

Site Map

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Headquartered in Istanbul — Operating Globally

ONNA-Engineering Your Vision

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