Illona Hermes, CPA, is a tax manager at Lanigan Ryan, where she has been instrumental in strengthening the firm’s tax department. She works closely with businesses and high-net-worth individuals, offering accounting, tax, and consulting services that help clients navigate challenges and achieve their goals. Building long-term relationships is at the heart of Illona’s approach—she takes the time to understand each client’s unique needs, finding strategic solutions that improve both their financial outcomes and overall quality of life.
Illona ensures that both colleagues and clients feel supported and empowered. Her ability to communicate complex tax matters with clarity and patience makes her a trusted resource for both internal teams and the businesses she serves.
Outside of work, Illona loves to travel with her husband and keep up with their two energetic toddlers. She is also passionate about giving back, dedicating her time and expertise to her local church and supporting a charity that runs orphanages in Kenya.
Professional Memberships
AGN International
American Institute of Certified Public Accountants
Pennsylvania Institute of Certified Public Accountants
Leadership Positions
PICPA State Council (2022-2024)
Committee Chair of PICPA Young Professionals Group