500+
accounting firms served
7
Countries: US · UK · AU · NZ · CA · AE · BH
60%
Avg. cost reduction
4.9/5
Client satisfaction · 127 reviews
California firms deal with some of the most complex state returns in the US: Form 540 and 540NR, the $800 minimum franchise tax, LLC gross-receipts fees and conformity differences from federal rules.
We prepare federal and California returns side by side, flag conformity adjustments, and keep a clear workpaper trail for your reviewers in Los Angeles, the Bay Area or San Diego.
What We Offer
California tax work we handle
Form 540 / 540NR and Schedule CA adjustments
Form 100 / 100S and Form 568 for LLCs, including the gross-receipts fee
Pass-through entity elective tax (PTET) calculations
Services for US firms
One offshore team, every US workflow
US tax preparation
1040, 1120, 1120-S, 1065, 1041 and 990 returns in your software.
Learn moreBookkeeping & write-up
Monthly write-up, reconciliations and trial balances in QuickBooks and Xero.
Learn morePayroll (Gusto / ADP)
Payroll runs, 941/940 prep and state filings in Gusto, ADP and QuickBooks Payroll.
Learn moreAudit support
Lead schedules, PBC tracking and working papers built to your methodology.
Learn moreSales & use tax
Nexus reviews, registrations and multi-state filings after Wayfair.
Learn moreCase study · Austin, Texas
58% cost reduction and 3× throughput during tax season
A mid-sized Texas CPA firm eliminated seasonal burnout by moving 1040 and 1120S preparation to a dedicated offshore team — without hiring a single new local employee.
Read the full case study58%
cost reduction
3×
throughput
Get a tailored proposal
Step 1 / 2Mutual NDA before scoping · Reply within 1 business day · No obligation
Ready to Scale Your Firm Without Scaling Your Headcount?
Book a no-obligation 30-minute discovery call. No commitment, no pressure — just a conversation about how we can help.
Prefer email? Write to us at Info@accountingallygroup.com