Fractional CFO & Controller Services in Castella
Outsourced controllers & CFOs to manage close, variance, and board reporting, CPA-reviewed, AI-assisted, and scalable.
Castella enterprises (finance, healthcare, SaaS) require board-ready reporting.
Client Reviews
We support business owners across the country with reliable, remote bookkeeping. Here’s what a few of them say:
CPA oversight ensures U.S. GAAP compliance.
Felicia W, Accounting Manager
Forecasting accuracy improved 30%.
Emily Z, Strategic Finance Lead
Their CFO support saved us during due diligence.
Isaac V, Enterprise CFO
Frequently Asked Questions
How does AI assist controllers and CFOs?
By detecting anomalies, auto-writing variance notes, and fetching policies/contracts.
How do you ensure financial data security?
Bank-level encryption, RBAC, MFA, and SOC-ready systems.
What is your onboarding process?
Discover → Document → Dry Run → Deliver (4D framework).
What is a fractional CFO?
A CFO who works part-time/outsourced, providing strategic financial leadership without full-time cost.
Do you support fundraising and investor reporting?
Yes, fractional CFOs assist with board/investor materials.
What’s the typical monthly fee in Castella?
Most clients pay $150–$350 depending on volume.
What’s the average bookkeeping cost in Castella?
Most clients pay $150–$350 per month depending on volume and complexity.
Why CPAs Trust RemoteBooksOnline
Explore Our Fractional CFO & Controller Services Coverage
Offer bookkeeping under your brand with our Fractional CFO & Controller Services plus Revenue Recognition & Sales-Tax.