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Year-end tax moves every founder should consider

Q4 has a way of sneaking up on founders. One minute you’re pushing through summer sales, and the next you’re staring down December with a stack of loose receipts and a vague sense that you should “get your books in order.” If that sounds familiar, you’re not alone — and the good news is that most of what actually matters this time of year isn’t complicated. It just needs to happen before January.

Key takeaways

  • Reconcile your books before your tax preparer ever opens your file — not after.
  • Separate personal and business spending now, while records are still fresh.
  • Pull your contractor payment list early so 1099s aren’t a January scramble.
  • Pair your year-end close with a real look at your financial statements.
  • Sketch next year’s budget while this year’s numbers are still top of mind.

Start with your books, not your return

The biggest mistake we see founders make is treating tax season as a January problem. By the time your tax preparer opens your file, the real work — reconciling every account, matching transactions to receipts, sorting out what’s actually a business expense — should already be done. Trying to squeeze a year’s worth of bookkeeping into three weeks is how deductions get missed and founders end up paying more than they needed to, not because the rules changed, but because nobody had time to look closely.

If your books have been slipping for a few months, now’s the moment to close the gap. A proper bookkeeping and reconciliation pass before year-end gives your tax preparer clean numbers to work with, and gives you an honest read on how the year actually went.

Step one: clean books before you touch the return

Separate the personal from the business, for real this time

Every founder means to keep personal and business spending separate. Fewer actually manage it consistently. If your business card has covered the occasional personal purchase (or vice versa), December is the time to go back and flag it — not April. This one habit alone makes filing faster and makes your financial statements far more trustworthy if you ever need to show them to a lender or investor.

The founders who go into January calm are almost never the ones with the fewest problems — they’re the ones who closed the gaps in November.

Review contractor payments before the 1099 deadline creeps up

If you paid any freelancers or contractors $600 or more this year, you’ll need to issue 1099s in January. Pull that list now, while you still have time to track down a missing W-9 or a current mailing address, instead of scrambling the first week of the new year.

Look at your numbers as a whole, not just at tax time

A year-end close is also a good excuse to actually sit with your financial statements — not just the P&L, but your cash position and where the money went by category. It’s easy to run a business quarter to quarter and never step back far enough to see the pattern. If you haven’t had a proper financial statement review done recently, pairing it with your year-end close means you walk into January already knowing where you stand.

Close this year, then budget the next

Set next year’s budget while this year is still fresh

It’s tempting to close out December and immediately move on to whatever’s next. But you have more context on your business right now than you will in March. Use it. Block out an hour to sketch a rough budget for next year based on what actually happened this year, not what you hoped would happen. Founders who do this tend to make faster, less reactive decisions the following year.

A quick note on all of this

None of the above replaces a conversation with your tax preparer, who knows your specific filing situation better than any blog post can. What we’re talking about here is the groundwork — clean books, sorted records, a clear picture of the year — that makes that conversation shorter and a lot less stressful. If getting there feels like more than you have bandwidth for right now, that’s exactly the kind of back office support we handle for founders every year around this time.

Want your books ready before year-end?

Our back office team handles reconciliation, financial statements, and budget planning for founders year-round.

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