Big 4-trained professionals delivering bookkeeping, payroll, and reporting with quality. We are your strategic partner in building a reliable, scalable foundation for your business.
Every back-office function, in one place.
From bookkeeping to payroll to tax coordination
— so you can focus on growing your business.
Day-to-day bookkeeping, invoicing, vendor payments, and receivables — all managed accurately and kept up to date.
Monthly and year-end financial statements, along with clear, insight-driven reports — giving you both compliant reporting and the visibility you need to run your business.
Accurate, on-time payroll processing — including withholdings, deductions, and full compliance with US and Japanese requirements.
Corporate and sales tax filing support, working closely with your CPA to ensure every deadline is met.
We coordinate across your CPA, payroll, and tax providers — so everything stays aligned, and you have a single point of contact for your entire back office.
We work with any accounting tools, helping you set up, clean up, or optimize your accounting system — so everything runs smoothly from day one.
We proactively take full ownership of your back office—from bookkeeping and payroll to tax coordination—so everything is handled seamlessly and you can stay focused on your core business.
We operate like Japanese train precision — proactively managing every detail so nothing is missed and everything is delivered on schedule.
Our Big 4–trained team brings experience from top global firms, combining technical expertise with practical, business-focused execution.
Whether you're a lean US startup or a cross-border organization, we build back-office operations that are right-sized for your business — structured to grow with you.


























We'll help you get everything set up — quickly and seamlessly. Get in touch today.
Tell us a bit about your business and what you're looking for.
We'll review your needs and follow up with next steps.