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Carter Sullivan is a leading design, installation and maintenance services specialist for critical power systems. 

Our ability to handle high-level projects from concept to completion enables us to build positive long-term relationships with a wide range of companies.

We specialise in designing, manufacturing and installing bespoke complex systems that can handle the toughest UPS applications. Our dedicated team will work with your business, making sure you get the solution that best matches your requirements, whilst ensuring all products manufactured meet the necessary compliance, type testing and regulatory controls.

Since 2005, our refreshing approach to providing total solutions for the UPS industry has allowed us to build a reputation, as the leading authority in complex systems. When you combine this with our in-house manufacturing facilities, 12-month manufacturers warranty and premium support solutions, Carter Sullivan is the ideal partner for your business.  

+ More We are proud of the dynamic individuals that make what we offer our customers truly unique.

We pride ourselves in offering unique solutions to all our customers. We want to be recognised as a partner to your business rather than being just ‘another supplier’. 

Our aim is to work with customers closely, educating them on what is required to complete their applications to the highest possible standards. 

We work hard to ensure Carter Sullivan is the first name people think of when it comes to Critical Power System design and manufacturing services.    


We strive to continually improve the services we offer our customers. 

We have created a relaxed environment for our staff to flourish within and we encourage all employees to develop strong working relationships with customers. 

We believe that if we keep staff happy, our customers will benefit from the enthusiasm that is evident no matter who they contact within our business. 


We have worked hard to achieve our ISO9001 accreditation and believe it gives us the control to deliver success within all areas of our business. 

We are also proud of our Safe Contractor Approval, which certifies our comprehensive health and safety policies, procedures and processes are to the highest standards. 

When you combine this with our Electrical Contractors Association (ECA) Membership our customers have total peace of mind that they are dealing with an industry specialist.