Justyna King

Justyna is a dedicated and detail-oriented senior accountant with BlueStone Services. In her role as a senior accountant, Justyna supports senior colleagues in auditing, tax preparation, and financial analysis. Her strong analytical skills and attention to detail contribute to the overall success of projects and initiatives.

Barbara Weyforth

Barbara is a meticulous and detail-oriented bookkeeper with BlueStone Services who is passionate about staying updated on the latest trends and developments in accounting. Barbara’s expertise lies in maintaining accurate financial records, reconciling accounts, and preparing financial reports.

Andrew Van Thuyne

Andrew Van Thuyne - BlueStone Services

Andrew is an accounting senior consultant with BlueStone Services with extensive experience in financial advisory and strategic accounting solutions. His consulting approach emphasizes collaboration and innovation, helping organizations optimize their financial processes, implement cost-saving initiatives, and achieve sustainable growth objectives.

Karl Wappaus

Karl is a skilled Director of Business Development and Client Relations leader with over a decade of experience creating and executing strategies to expand businesses and grow existing markets. He acts as a liaison between the firm and our clients, prospective clients, and partners, to pair them with the best advisory team to achieve their … Read more

Trey Gailey, CPA

Trey Gailey is a founding member of Bluestone Services and serves as the firm’s Managing Director and Director of Accounting. He has deep experience providing accounting services across a wide swath of industries, including medical practices, distribution, and legal services. Trey has clients in the US and other areas of the world, garnering significant experience … Read more

Fred Landy, CPA, CFE

Background & Experience Fred has over 20 years experience in executive management of mid-size companies. He has worked in various industries including distribution, technology, and government contracting.  Fred specializes in supporting our government contracting clients.

BlueStone Accounting Solutions Is Moving to KatzAbosch

BlueStone Accounting Solutions is officially transitioning its online presence to our
parent company, KatzAbosch, where it will continue as a dedicated service offering.
This change allows us to bring our experience, insights, and resources together in one
place—while maintaining the BlueStone name and team you rely on.

What This Means for You
No interruption in service—our brand, team, and offerings remain the same
Expanded resources and insights through KatzAbosch’s full-service platform
One streamlined destination for accounting, advisory, and business solutions

Moving forward, all BlueStone Accounting Solutions content and services can be found
on the KatzAbosch website.

Please visit us at: www.katzabosch.com