About Castior

Wholesale Line Rental

Historically, most line rental solutions have always come from BT in the UK but since the introduction of Wholesale Line Rental, we are able to provide businesses with the same line rental solutions as BT but with flexible pricing and service criteria.

The best way to achieve competitive advantage is to work with a supplier that has both a strong market position and the geographic reach to enable you to serve your customers. Castior Consultants work with partners who ensure that lines can be transferred with minimal fuss; no site visit is required and your existing numbers remain the same. All you have to do is tell us where your traffic needs to be routed, and our team will ensure that you get the most competitive rates.

We also work hard to ensure you get the optimum quality possible on every route, and offer a wide range of routing options. Call quality and routing is excellent and CLI transmission is guaranteed on your specified routes.

At Castior Consultants, we know just how vital your voice business is, so we provide you with highly professional and experienced support, as well as standardised fault management processes.

So you can rest assured that we won’t let you, or your customers, down.

Business Audits



Case studies can be invaluable when researching a project, selecting a business partner or understanding how your competition is addressing issues relevant to your industry.

We have many satisfied customers for whom we have delivered complex and interesting solutions, using a variety of technologies.

Please provide details of what interests you and we will provide relevant case studies to suit your requirements.

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