Comtek Network Systems UK Ltd.

Legacy Repair

Comtek specializes in legacy and manufacturer “non-supported” repair services, drawing from over 20 years of engineering experience. Supporting businesses using legacy hardware from manufacturers such as Cisco, Extreme Networks, 3Com, and Nortel.

Quality Assurance

We have invested millions into both legacy and new multi-vendor reference equipment, allowing us to successfully repair some of the most challenging units. Having such a large variety of reference equipment allows us to carry out rapid repairs and avoid current delays, owing to worldwide chip shortages. We are confident in the quality of legacy repairs. So much that we offer a warranty with ALL our completed repairs!

Consistency is Key

To ensure we maintain our rigorous standards of repair excellence, we put all our legacy repairs through a screening process


All products are visually inspected. Only products that can be returned to near perfect condition are allowed through to refurbishment, all others are rejected.


Any worn, missing or damaged internal and external components will be replaced before the product is sanitised. This includes buttons, screens, cords, dust caps and plastics. Products found to have issues are set aside.


If the product features a HDD or other storage media, we will carry out a data cleanse in our secure lab using the industry leading KillDisk Software to ensure that any data left on a device is securely wiped.


With all components replaced and data cleansed, the product is fully cleaned and sanitised to remove any dirt or labels identifying the former owner. The item is repainted if necessary.


Each product that passes the visual inspection then undergoes physical inspection of major and minor components as per the OEM specifications. Our telecoms equipment is systematically taken apart and all manufacturer part numbers, HECI codes and serial numbers logged into our extensive database.


We will configure the product to the client’s technical specification if required.


We have the ability to test modules and complete systems belonging to a range of platforms although this does not cover our entire portfolio of products offered. Please note that our testing/screening service is available on request only.


All aspects of the refurbishing process are then checked to make sure that every product meets with our high standards before it is dispatched.

Trust in our 30+ years of experience

Our team is composed of expert engineers ready to test, diagnose, and repair your legacy units. Avoid unnecessary expenditure when you choose Comtek Network Systems! We provide solutions to keep your network running smoothly and without interruption.

Want to know more about this? Get in touch with us today!

Our Locations

Choose Comtek for your repair, support, and refurbished hardware needs to benefit from exceptional service and extended product lifespan.

Visit us today to discover our extensive range of repaired and supplied equipment from renowned brands like Cisco, Ciena, Nortel, Juniper, Arista, HPE, Infinera, ADVA, and more.


Comtek Network Systems (UK) Ltd.

Unit 108 Tenth Avenue

Deeside Industrial Park (Zone 3)

Deeside CH5 2UA


Comtek Network Systems (UK) Ltd.

19 Heron Rd

Belfast BT3 9LE


Comtek Network Systems (USA)

1040 Serpentine Lane

Suite 207

Pleasanton, CA 94566


Comtek Network Systems GmbH

Nordendstraße 2

64546 Mörfelden-Walldorf


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    What's Our Mission?

    To promote a sustainable & environmentally friendly corporate procurement culture by encouraging our clients to consider refurbished equipment as an effective alternative business solution to new replacement.

    Small changes, big impact for the environment.

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