US tax and accounting. Cross-border Italy advisory. Gaming analytics. AI systems. One team built to handle the work most firms can't.
Every engagement is partner-led from start to finish. With expertise across tax, analytics, and operational systems, our leadership team stays directly involved in the work and the relationships behind it.
Jeff co-founded JSBC in 2021 after going independent in 2016. He leads the firm's US Tax & Accounting practice and oversees Vantage, the analytics and compliance platform for Illinois VGT terminal operators. 15+ years of operator instinct, picked up one client at a time. The voice on the other end of the phone.
Paul co-founded JSBC and built its cross-border tax practice. He's been running Greenwire since 2008. Multilingual, dual-jurisdiction, treaty-savvy. He also oversees the firm's business consulting work and IT operations. Handles complex residency and filing situations for Americans living in Italy and Italians living in America.
James leads the firm's work on business systems powered by AI. He builds custom AI tools using industry-standard frameworks and ships the websites that connect those systems to clients and operations. The technical side of how the firm runs.
Each division is led independently while supported by the collective experience of the firm.
Tax preparation, planning, and accounting for US businesses and individuals. Long-term advisory relationships, not transactional filings.
Explore the practice →Cross-border tax, advisory, and compliance for Americans in Italy and Italians in America. Multilingual, dual-jurisdiction, treaty-savvy.
Visit jsbc.itAnalytics, compliance, and accounting for Illinois VGT route operators. Reports for management, teams, and licensed locations in one platform.
See Vantage →Modern accounting, financial systems, and AI implementation for SMBs that have outgrown their bookkeeper. One integrated engagement.
Start a systems audit →Tax season stacking up? Books in disarray? Cross-border puzzle? Compliance you can't keep up with? Send us the messy details. Let's talk.
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