How Can the Office Prepare for Tax Filing Deadlines Across Multiple Entities?

Keep a filing calendar for every entity, with an owner, required records, and professional support listed for each filing. Confirm the entity list and filing obligations with the family's CPA. Requirements and deadlines vary by entity and jurisdiction, so the office should coordinate the process and ask the CPA to confirm the details.

Build the Entity and Deadline Calendar

List each entity and the people responsible for providing records, approving information, and preparing or reviewing filings. Ask the CPA to confirm the filing schedule, required records, and jurisdiction-specific considerations. For each obligation, record its due date, internal target date, preparer, office coordinator, and status. Add estimated payments and other recurring tax dates identified by the CPA.

Use a clear status for each filing: not started, collecting records, with preparer, awaiting family input, ready for review, or filed. Record extensions with their new due dates, and keep evidence of each filing or payment submission. Treat the calendar as a working control. Have one person review it regularly and raise overdue items with the appropriate family contact or adviser.

Collect Records in a Consistent Way

Set an internal collection date before each filing deadline, giving the preparer time to ask questions. Use a checklist tailored to the entity and covering CPA requests, such as financial statements, transaction details, and distribution records. Include supporting documents too. Organize files by entity and filing period, and note when information arrives and what remains outstanding.

Check each year's file for completeness, and confirm with the CPA whether information still applies to each entity. Ask about changed requirements or unresolved items. When family members or outside advisers provide documents, route them through the assigned office coordinator so the preparer has one point of contact. The office process should explain how staff store records and restrict access, as described in single family office governance.

Coordinate Review and Follow-up

Before submission, have someone check that the preparer received the requested material and that questions have been answered. Confirm who can review and approve information for each entity. After filing, record the submission date, retain confirmation, and list follow-up tasks. These steps help plan the next cycle and respond if questions arise.

Structures or activities spanning multiple jurisdictions may call for specialist advice. A family office executive interviewed in comparing ownership and operating structures described using outside specialists for specific international tax and estate matters. The office can coordinate those relationships and track deliverables. The CPA and attorney can address tax and legal specifics. For the wider setup sequence, see the family office starting guide.

Taxation - Pay what you owe, but structure deals so as to minimize your tax liabilities since taxes are really just another cost of doing business.

Sources: The Family Office Book, The Single Family Office. Informational only, not financial, legal or tax advice.