Mackay, Caswell & Callahan, P. C.
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About Mackay, Caswell & Callahan, P. C.
Mackay, Caswell & Callahan, P. C. is a professional corporation focused on Upstate New York tax controversies. Founded in 1961, we have an established reputation with the state & federal government tax community and a comprehensive understanding of the internal workings of governmental tax agencies.
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Mon - Fri: 6:00 am - 8:00 pm, Sat - Sun: 6:00 am - 5:00 pm