Kurcias & Alhante CPAs and Shields & Company are dedicated to providing high-quality accounting, tax, and advisory services to individuals and businesses. Led by Abby Alhante, Principal of Kurcias & Alhante CPAs, and Christine Steinert, Principal of Shields & Company, the firms bring decades of experience and a hands-on, client-focused approach to every engagement, with a strong foundation on Long Island and clients served across a broader geographic area.
We understand that each client’s financial situation is unique. Our approach is built on delivering personalized service, clear communication, and practical guidance tailored to your specific needs. Whether you are an individual seeking tax planning or a business owner managing day-to-day operations, we provide the insight and support needed to make informed decisions.
For business clients, we offer more than traditional tax services. We help establish strong financial processes, track performance, and provide the timely information needed to manage operations effectively. From revenue and receivables tracking to identifying key performance indicators, our goal is to support growth while minimizing tax liability.
For individuals and families, we provide proactive tax planning and compliance services designed to simplify complex financial matters and support long-term financial stability.
Our comprehensive services include tax preparation, bookkeeping, financial reporting, and business advisory. We take pride in building long-term relationships through reliability, transparency, and a consistent commitment to our clients’ success.
We combine the experience of a large firm with the personal attention that only a small firm can provide. Our clients come back to us year after year because they know they are in good hands. We work to develop long-term relationships; whether your needs are simple or complex, we can help.
Principal
Certification: Certified Public Accountant
abbya@harboraccountinggroup.com
Abby Alhante, CPA, serves as a Principal at Kurcias & Alhante CPAs LLC, a member firm of Harbor Accounting Group. He brings extensive experience across accounting, insurance, and business ownership, allowing him to provide practical, well-rounded guidance to individuals and businesses across a wide range of industries.
Abby holds licenses in accounting as well as Property & Casualty Insurance. He is also the owner of DCAP Family Insurance Brokerage Inc., a retail insurance agency specializing in Property & Casualty Insurance products. Through this background, Abby has developed a strong understanding of commercial risk management, with a particular focus on general liability and workers’ compensation coverage for the construction industry.
Abby’s professional experience also includes hands-on business ownership, giving him a practical understanding of the challenges business owners face in managing operations, growth, risk, and financial decisions.
His accounting practice serves a diverse client base, including businesses in food service, insurance, apparel, domestic manufacturing, real estate, racehorse ownership, and construction. He has a particular concentration in working with small to mid-sized contractors within the construction trade.
Abby currently serves as Treasurer on the Board of Directors of the Nassau Chapter of NCCPAP, where he remains active in supporting the accounting profession and the local business community.
Principal
Certification: Certified Public Accountant
abbya@harboraccountinggroup.com
Abby Alhante, CPA, serves as a Principal at Kurcias & Alhante CPAs LLC, a member firm of Harbor Accounting Group. He brings extensive experience across accounting, insurance, and business ownership, allowing him to provide practical, well-rounded guidance to individuals and businesses across a wide range of industries.
Abby holds licenses in accounting as well as Property & Casualty Insurance. He is also the owner of DCAP Family Insurance Brokerage Inc., a retail insurance agency specializing in Property & Casualty Insurance products. Through this background, Abby has developed a strong understanding of commercial risk management, with a particular focus on general liability and workers’ compensation coverage for the construction industry.
Abby’s professional experience also includes hands-on business ownership, giving him a practical understanding of the challenges business owners face in managing operations, growth, risk, and financial decisions.
His accounting practice serves a diverse client base, including businesses in food service, insurance, apparel, domestic manufacturing, real estate, racehorse ownership, and construction. He has a particular concentration in working with small to mid-sized contractors within the construction trade.
Abby currently serves as Treasurer on the Board of Directors of the Nassau Chapter of NCCPAP, where he remains active in supporting the accounting profession and the local business community.
Principal
Certified Public Accountant
mark@harboraccountinggroup.com
Mark Mayoka is an esteemed Certified Public Accountant (CPA) with a rich and diverse background in business planning, boasting an impressive career spanning over 35 years.
Throughout his extensive career, Mark has played a pivotal role in facilitating numerous mergers, acquisitions, and initial public offerings (IPOs), harnessing his financial expertise to navigate intricate transactions to successful outcomes. His leadership extends to overseeing comprehensive international and domestic tax planning strategies, benefiting both corporations and high-net-worth individuals by optimizing tax efficiency.
Over the years, Mark has worked closely on critical aspects such as tax planning, fraud prevention, corporate governance, and strategic planning across a diverse spectrum of industries, ranging from the dynamic low-voltage sector to the intricate world of banking. Additionally, he has seamlessly transitioned into providing Chief Financial Officer (CFO) functions for both public and private firms, specializing in pre-IPO planning.
Mark Mayoka’s academic accomplishments include graduating Cum Laude from SUNY Albany, and obtaining a law degree from Pace Law School. Furthermore, he is the accomplished author of “Financial Crisis Planning for Small Businesses,” a testament to his expertise in financial planning and crisis management. His dedication and extensive experience continue to make a profound impact in the financial landscape, benefiting clients and industries across the board.
Mark has also served four years as a Huntington Town Councilman, is president of the Cold Spring Harbor Civic Association, NYSCPA, the AICPA and founding member of NCCPAP.
Christine Steinert, EA serves as Managing Director of the Shields & Company practice and is an Enrolled Agent licensed by the Internal Revenue Service. With more than 20 years of experience in tax and accounting services, she has built a reputation for providing exceptional guidance and dedicated support to her clients.
Christine is a member of the National Association of Tax Professionals and possesses extensive expertise in a wide range of tax matters, including individual, corporate, payroll, and sales tax. Her comprehensive knowledge, attention to detail, and commitment to client success have made her a trusted advisor to individuals and businesses alike.
Known for her professionalism, integrity, and client-focused approach, Christine is dedicated to helping clients navigate complex financial and tax challenges with confidence.
Outside of her professional responsibilities, Christine values time with her husband and their two accomplished adult children. Her commitment, loyalty, and strong work ethic are guiding principles that shape both her personal life and her career.
Principal
Certified Public Accountant
Christine Steinert, EA serves as Managing Director of the Shields & Company practice and is an Enrolled Agent licensed by the Internal Revenue Service. With more than 20 years of experience in tax and accounting services, she has built a reputation for providing exceptional guidance and dedicated support to her clients.
Christine is a member of the National Association of Tax Professionals and possesses extensive expertise in a wide range of tax matters, including individual, corporate, payroll, and sales tax. Her comprehensive knowledge, attention to detail, and commitment to client success have made her a trusted advisor to individuals and businesses alike.
Known for her professionalism, integrity, and client-focused approach, Christine is dedicated to helping clients navigate complex financial and tax challenges with confidence.
Outside of her professional responsibilities, Christine values time with her husband and their two accomplished adult children. Her commitment, loyalty, and strong work ethic are guiding principles that shape both her personal life and her career.
Principal
Senior Tax Accountant
Senior Tax Accountant
Administrative Assistant
Director of Operations
Ready to take the next step? Contact us today to schedule a consultation.
Client Portal
Online Payment