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Welcome to Cox Costello & Horne

Sad News about Dermot Costello

It is with great sadness that we have to announce that Dermot Costello, a founder partner of Cox Costello & Horne and much loved colleague and friend, has passed away at the age of 49. As many will know, in August last year Dermot suffered a cardiac arrest from which he never recovered. Dermot was so kind-hearted, always viewing his clients and staff more as friends and trying to help them in any way he could. He will be greatly missed by us all and I am sure you will join with us in sending sincere condolences to all his family.


Cox Costello & Horne is a leading regional accountancy firm of chartered accountants and chartered tax advisors.

We offer a wide range of advisory services that are designed to make your business and personal tax return more tax-efficient in the short, medium and long term – our services range from strategic accountancy planning to pragmatic advice on personal tax returns.

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Cloud Accounting: here's what we recommend
We urge our clients to use online accounting software to help make their accounting fast and easy to use.
Cloud Accounting