Sales-Tax Compliance Made Easy for Castalia Enterprises
Multi-state filings, CPA oversight, and AI-assisted anomaly detection - audit-ready every time.
Castalia enterprises often face multi-state nexus + local jurisdiction audits.- High ecommerce & SaaS presence means frequent compliance risk.
Client Reviews
We support business owners across the country with reliable, remote bookkeeping. Here’s what a few of them say:
AI detected a nexus we didn’t even know about.
- Marcus T, Tax Director
Penalties dropped by 60% after outsourcing.
- Lana S, Controller
Variance alerts flagged an underpayment before penalties hit.
- Alicia K, Tax Compliance Officer
Frequently Asked Questions
Do you integrate with ERP and ecommerce systems?
Yes — NetSuite, SAP, Dynamics, QuickBooks, Shopify, Amazon.
How does AI improve compliance?
By auto-detecting nexus, variance alerts, and fetching rules during audits.
How do you identify sales-tax nexus?
Using transaction analysis + AI detection.
How do you ensure timely filings?
Through automated scheduling + CPA review.
Can you reduce penalties and interest?
Yes, with accurate filings and proactive nexus mapping.
Do you support SaaS sales-tax compliance?
Yes, including subscription billing and digital goods taxation.
Do you handle construction industry tax compliance?
Yes, including materials, equipment, and labor.
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