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News6 October 2022

Case Study: John Cullerton & Sons

Case Study: John Cullerton & Sons

Case Study: John Cullerton & Sons


John Cullerton & Sons is a high quality Building Services Contractor with over 25 years’ experience in the contracting and maintenance industry. With head offices based in the North East, they specialise in electrical and mechanical contracting, engineering and consulting. 

The History

For John Cullerton & Sons, being able to connect with their team at all times is crucial to ensuring safe and effective running of the business. As well as running standard communications efficiently, it’s vital that they are able to stay in touch with their engineers at every moment, no matter where they are. 

For this reason, cost effective and efficient mobile communications are an imperative part of the day to day running of the business. 

What We Did

To ensure the team were able to stay connected, and reach engineers wherever they are, Zusi have been able to order and provide a range of devices that meet the differing needs of a team on the go, and make sure they can always be reached. 

Using our knowledge of the industry and experience dealing with large providers, we were also able to source new mobile contracts on the EE network, which were better able to fit the needs of the team whilst also ensuring the company got them at the best price possible.

The Result

The new mobile devices and SIM only contracts provided by Zusi to the team of engineers have transformed the way communications take place. 

From initial consultation to discussion with providers and setting up the mobile devices, our team have been on hand to provide bespoke support and advice, and deal with any concerns along the way.

What John Cullerton & Sons said:

“From ordering new devices for engineers, to sorting out new and better contracts, they have been great from start to finish. I would like to thank Vikki Edwards in particular, who always does the utmost to help in any way she can, and the personal touch she provides is out of this world. I could not recommend her highly enough.”

James Cook

Accounts Administrator

Customer Reviews

Asked Mark at Zusi to come up with a phone package to suit my business and he went above and beyond. Nothing was too much trouble and answered all my questions and very professional. The process of switching contracts was made simple by Mark and Hollie, and now I am saving money each month with an even better deal. I will definitely recommend to my family and friends 100%.

Dave, Business Mobile Customer

I recently moved over to Zusi as our mobile providers from Plan.com. The sales team were great, not too pushy. We moved network from O2 to EE, the transition was not smooth sailing as we had a few hiccups, but it was dealt with quickly and professionally by Hollie, therefore what more can you ask for. One month in, so far so good.

Jess, Business Mobile Customer

Great Company. Very easy to deal with. We run a business, so we needed a reliable company to provide phone & broadband services, which Zusi does not disappoint. Internet speed is great, and the phones are much cheaper as they work through the internet. Great customer service, Zusi keep doing what you’re doing!

Dan, VoIP and Broadband Customer

Dealt with Zusi to change our gas & electricity provider at a rental property, saved us money, service was brilliant and they made the change over so easy for us. Will keep in mind for when other properties are due....

Lianne, Energy customer

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