About Us

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Tatiana Ivoylova, MST, EA

Tatiana Ivoylova, MST, EA

Owner

Tatiana holds a Bachelor of Science in Business Administration from the University of Pittsburgh and a Master’s degree in Taxation from Robert Morris University. She began her professional career as an accountant for a transportation company before transitioning to the accounting industry, a move she considers pivotal in her career development. After several years of honing her expertise in a full-time role, Tatiana acquired the accounting firm and launched her own brand, demonstrating her entrepreneurial spirit and leadership in the field.
Penny Erbe, MST, EA

Penny Erbe, MST, EA

Penny is an accomplished tax professional with a Master’s in Taxation and a Bachelor’s in Business Administration from Robert Morris University (RMU), where she was inducted into Phi Theta Kappa.She founded her own tax business in 1974 and established P.A. Erbe & Associates, Inc. in 1989, specializing in tax and bookkeeping services. That same year, she earned her Enrolled Agent status. A past President of the Pennsylvania Society of Tax and Accounting Professionals (PSTAP), she has also served on various professional boards. Her professional philosophy centers on truth, a deep understanding of the tax code, and maintaining ethical standards while ensuring full compliance with the law.
Lorraine Kirpatrick

Lorraine Kirpatrick

Payroll Specialist, Bookkeeper, Tax Preparer

With over 35 years at the company, including her time under the previous owner, Lorraine brings extensive experience in payroll, bookkeeping, and tax preparation Over the years, she has developed strong relationships with clients, enjoying the opportunity to meet new clients while maintaining long-term connections with repeat customers. Her dedication to her work and clients has made her an invaluable asset to the company.

Heather Perman

Heather Perman

Payroll Specialist

Heather is a graduate of South Park High School. She graduated Cum Laude from Indiana University of Pennsylvania. She is specializing in payroll operations at 412 Tax and Accounting Services. She has worked as an auditor for the Department of Defense Inspector General’s Office, account specialist for LOGICON, Inc., preschool teacher for King of Kings Lutheran Preschool, and as an Executive Assistant for Monticello Capital, Inc. Heather has four children. She enjoys gardening, taking hikes in the community and reading cookbooks.
Deborah Taggart

Deborah Taggart

Payroll Specialist, Bookkeeper, Tax Preparer

Debbie is a Shaler Area High School graduate and a longtime resident of Ross Township, where she resides with her husband. With a strong background in accounting, Debbie specializes in payroll services and tax preparation. She is dedicated to providing professional services to her clients. Outside of her professional life, Debbie is passionate about music, values quality time with her family, and enjoys vacationing in Myrtle Beach.

Nikita Dusky

Nikita Dusky

Office Manager

Nikita, a Pittsburgh native, is a 2005 graduate of Penn Hills High School. She earned an Associate’s Degree in Office Management from NBI. Nikita is a dedicated professional with a strong personal interest in reading, gardening, and animal care. Her diverse passions reflect her commitment to continuous learning and a deep appreciation for nature and animals.

Visit Us

Office location: 4284 William Flinn Highway, Suite 103, Allison Park, PA 15101

Get In Touch

Telephone Number: 412-487-1009
Fax Number: 412-487-9456
Our email: info@412tax.net

Hours of Operation

Our normal business hours:
Monday-Thursday 9am-5pm
Friday 9am-3pm

Our business hours during the tax season:
(February through mid April)
Monday - Thursday 9am-5pm, 5pm-7pm by appointments ONLY!
Friday 9am-3pm
Saturday 9am-3pm

Copyright 2026 412 Tax and Accounting Services LLC
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