Onnec

UK, Ireland

IT infrastructure design, installation, and support services

Onnec specializes in IT infrastructure, offering design, installation, and operational support services. With over 30 years of experience, they have become a key partner for businesses looking to build and maintain robust IT systems. Onnec operates globally, providing solutions across data centers, enterprise, hyperscale, and smart building environments.

Their core services include structured cabling, data center solutions, and network solutions. Onnec ensures seamless integration and support, helping businesses scale and adapt to new technologies. They offer both on-demand support and traditional managed services, tailored to meet the specific needs of their clients.

Onnec's commitment to quality is reflected in their extensive project portfolio, having completed 3000 projects and supported 105 organizations. They are recognized for their inclusive workplace and sustainability efforts, further establishing their reputation as a reliable partner in the IT infrastructure sector.

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Agency details

Team size
500+ people

About this agency on Agency List

Onnec holds an Agency List Score of 73 out of 100.

That score is higher than 31% of the 36,920 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed Onnec in September 2026, reading 4 pages published on onnecgroup.com.

The score reflects what Onnec had published by that date; anything published since has not been read.

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