Tax Compliance
United States.
Synnect manages the full tax compliance function for CPA firms and organizations in the United States—preparing federal and multi-state returns with the accuracy, lead schedules, and advance planning that prevent audit penalties rather than reacting to them.

Managed in your software
What We Offer
Business returns (Forms 1120, 1120-S & 1065)
Full corporate and partnership tax preparation with complete supporting workpapers, book-to-tax reconciliations, and lead schedules ready for CPA partner sign-off.
Individual returns & pass-throughs (Form 1040)
Comprehensive 1040 preparation including Schedule C business reporting, investment capital gains, and multi-entity Schedule K-1 pass-through distributions.
Multi-state & local sales tax nexus compliance
Proactive economic nexus evaluations, state sales and use tax return preparation, and multi-jurisdiction local registrations to eliminate state exposure.
Year-end 1099-NEC & W-2 information returns
Independent vendor classification audits, W-9 tracking, and timely federal, state, and recipient distribution of annual Form 1099-NEC filings.
IRS notice management & correspondence response
Thorough technical research and formal responses to IRS CP notices, state department adjustments, and penalty abatement requests.
Tax calendar management & busy-season scaling
Automated deadline tracking across all federal, state, and extension milestones, backed by elastic surge capacity during peak Q1 filing months.
Specially Built For
CPA Firms
Your team reviews, signs, and e-files; we prepare. We work in your tax software to your firm’s templates with elastic surge capacity during peak season.
Organizations
Maintain complete state and federal compliance without carrying an in-house tax team. We prepare returns, track deadlines, and handle notice responses.
Review-ready workpapers. You retain e-filing authorization.
Synnect prepares complete tax returns in your practice software with supporting schedules attached. Your firm's CPA or enrolled agent conducts final review and executes the e-file.
Frequently Asked
Questions
Find quick answers to common questions about our services, process and support.
