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Hours of Service

Portal Hours: 

(please give 24-48 hour response depending on the season)

Telephone/Virtual Hours: 
Monday - Friday
9am to 7pm

All Services offered virtually in all states

Office Hours:
By Appointment Only

(In-office appointments are only offered in Georgia and New York Offices)

For Gwinnett County, GA

Office Visit – Lawrenceville, GA

Office Visits – GA Clients’ Office Visit

For Uniondale, NY

Office Visits – New York Offices


Contact & Locations

Cornerstone Coworking

279 West Crogan Street
Lawrenceville, GA 30046

Uniondale Address

By Appointment Only
Uniondale, NY 11553

Do You Have Any Questions or Ready To Hire Us For Services?


Virtual Accounting Services in all 50 states

MC Accounting & Tax Services offers accounting services in all 50 states

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