For foreign-owned US single-member LLCs
Your US LLC's books and tax forms, in one place.
Invoice clients, track expenses, and keep real double-entry books. Corplyst turns that same data into draft Form 5472 and pro forma 1120 filings. You answer business questions; no IRS knowledge needed.
| Account | Debit | Credit | |
|---|---|---|---|
| 1000 | Cash | 5,000.00 | |
| 3000 | Owner's equity | 5,000.00 | |
How it works
Record the business. The books and forms follow.
Every invoice, expense, and owner transfer becomes a balanced journal entry. The tax center reads those entries, not a separate spreadsheet.
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01
Record what happened
Send an invoice, log an expense with its receipt, or note money you put in or took out.
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02
Books post themselves
Each transaction posts a double-entry journal entry. Debits always equal credits; entries are reversed, never deleted.
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03
Forms get drafted
The tax center flags missing details, like an EIN or an address, then drafts Form 5472 and the pro forma 1120 as PDFs.
Features
Replaces the spreadsheets and the five other tools.
Built for one owner running a US company from abroad, with room for an accountant and a team.
Invoices & quotes
Branded PDFs with your bank details, recurring schedules, and quotes that convert to invoices in one click.
Multi-currency
Bill in EUR, GBP, or any major currency. The exchange rate is locked when the invoice is issued and kept on the books.
Expenses & receipts
Log expenses against the right account and keep the receipt file attached to each one.
Double-entry accounting
A standard chart of accounts for single-member LLCs, ready on day one. Every change to a journal entry is audited.
Tax center
Plain-language questions, a missing-information report, and draft Form 5472 and pro forma 1120 PDFs.
Clients, suppliers & documents
CSV import with duplicate detection, plus a home for your operating agreement and EIN letter.
Form 5472 is filed with a pro forma 1120 every year, even if the LLC had no income. The IRS penalty for a missing or incomplete 5472 starts at $25,000.
Start your booksSecurity
Financial data handled like financial data.
- ✓Encrypted at rest. Bank details and personal identifiers are encrypted in the database.
- ✓Roles that match real teams. Owner, Admin, Accountant, Employee, and Read-only, each with its own permissions.
- ✓Your company's data stays separate. Tenant isolation is enforced inside the database itself, not only in application code.
- ✓A full audit trail. Journal entries can't be deleted, only reversed, and every change is recorded.
Set up your company in minutes.
Enter your EIN, formation state, and tax year. Corplyst sets up the chart of accounts for you.