Business tax filing

Business tax preparation for LLCs, S corporations, partnerships, and small businesses.

JMLINCE helps business owners prepare accurate federal and California filings, review reports, and organize the records needed for business returns.

Business structures

  • S corporations
  • Partnerships
  • C corporations
  • Single-member and multi-member LLCs

Forms and filings

  • 1120S
  • 1065
  • 1120
  • K-1 preparation
  • Prior-year and amended returns

Records to upload

  • Profit and loss statement
  • Balance sheet, if available
  • QuickBooks reports
  • Expense summaries
  • Prior-year return

Business owners often need more than a simple upload.

Business filings can depend on entity type, owner compensation, K-1 reporting, California requirements, and whether books are complete.

  • Confirm which entity return is required.
  • Review whether the books are ready for filing.
  • Identify missing reports or prior-year context.
  • Explain next steps before e-filing.

Start with the business upload form

Use the upload form for QuickBooks reports, spreadsheets, mileage logs, and business documents.

Upload Business Files