The osocorp family
Building the software
modern firms run on.
osocorp is the parent company behind a focused set of products for accounting, tax, and operations. Independent tools, one standard of craft.
Our products
Three independent companies, built and operated under osocorp.
VaultLedge
Bookkeeping & accounting for modern firms
Double-entry accounting, invoicing, payroll, bank feeds, and AI categorization in one multi-tenant platform.
vaultledge.com
FinishTax
Practice management for tax preparers
An all-in-one workspace for tax professionals — client intake, e-signatures, secure documents, and workflow, built for the season.
finish.tax
Oso Plaza
Live music, StreetPass-style
Build your card, discover shows, and check in to collect everyone in the room — a diary of every night out.
osoplaza.comOne company, focused products.
osocorp builds and operates independent software businesses. We don't chase every market — each product solves one job exceptionally well for the people who depend on it every day.
Our products share a standard, not a codebase: thoughtful design, dependable engineering, and support from the people who built them.
Get in touch
Questions, partnerships, or press — reach out and we'll get back to you.
contact@osocorp.org