
LLC vs INC — Which Structure is Right for You?
LLC vs INC: understand ownership, taxation, and compliance to choose the right U.S. structure for your business.
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Specialized CPA Firm for US Telecom Companies
We help VoIP providers, UCaaS platforms, telecom carriers, and resellers stay fully compliant with FCC filings, USF contributions, Form 499-A/Q, E911 obligations, and USAC requirements — while handling all your accounting, tax, and virtual CFO needs under one roof.
From FCC filings and USAC compliance to tax returns and virtual CFO — all under one roof.
FCC filings, Form 499-A/Q, USF contributions, E911, TRS, STIR/SHAKEN, CPNI, OCN, PUC registrations and USAC compliance. Federal and all 50 states.

Clean, audit-ready books managed by CPA professionals. Monthly reporting, reconciliations and financial statements for telecom operators.

Federal and state tax preparation, planning and advisory for telecom businesses operating in the US and internationally.

Annual reports, CPNI certifications, regulatory renewals and federal filings managed on a proactive compliance calendar.

Strategic financial guidance, forecasting and CFO-level support — without the full-time cost. Built for growing telecom operators.

Our telecom compliance and CPA services are built for these US businesses:
Cloud-based voice services — interconnected or non-interconnected
Unified communications with PSTN connectivity and voice services
Companies reselling voice or data under their own brand
Competitive carriers with state and federal filing obligations
Mobile virtual network operators on a host carrier network
Internet providers who also offer voice over broadband
Managed service providers adding hosted phone services
Companies launching a telecom or VoIP business for the first time in the US
FCC updates, USAC filing guides and compliance news — published weekly.

LLC vs INC: understand ownership, taxation, and compliance to choose the right U.S. structure for your business.
Read Full Insight
UK LTD essentials: Companies House registration, HMRC setup (CT600, VAT, PAYE), and annual filings for directors.
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EIN vs ITIN explained: who needs which, how they differ, and why banks often prefer an ITIN for individuals.
Read Full InsightMost CPA firms have never filed a Form 499 or calculated a USF contribution. We have. ZIA CPA Associates is a specialized CPA and compliance advisory firm built around the unique regulatory demands of the US telecommunications industry. From FCC registration to quarterly USAC filings, we handle the compliance obligations that most accountants have never heard of.
Beyond telecom compliance, we offer the full range of CPA services — tax filing, bookkeeping, entity structuring and virtual CFO advisory. Our clients get a telecom compliance expert and a complete accounting team in one relationship.

Industries
FCC compliance, USAC filings, USF contributions, E911, STIR/SHAKEN, CPNI, OCN, PUC registrations and full CPA services for US telecom operators.
Learn MoreUS company formation, EIN/ITIN and bank account setup, annual tax filings and ongoing compliance advisory for non-US founders and global entrepreneurs.
Learn MoreBookkeeping, sales tax nexus and multi-state compliance, inventory accounting and payment processor reconciliation for Amazon, Shopify, Etsy and Walmart sellers.
Learn MoreASC 606 revenue recognition, virtual CFO and KPI dashboards, C-Corp filings, R&D credits and cap table accounting for high-growth SaaS companies and startups.
Learn MoreCompliance alerts, USF rate updates and Form 499 deadline reminders — straight to your inbox. No spam, unsubscribe any time.
A free 30-minute compliance review tells you exactly where you stand — no obligation. We cover FCC filings, USF, E911, Form 499 status, STIR/SHAKEN, CPNI and any outstanding USAC obligations.