Does an estate freeze done years ago still hold up if I finally sell the business now?

Generally yes, an estate freeze that was properly implemented continues to do what it was designed to do regardless of how many years pass before an eventual sale, but it's worth reviewing before a sale closes rather than simply assuming everything is still in order. An estate freeze typically uses a rollover to exchange your growth shares for fixed-value preferred shares while new common shares (often held by family members, sometimes through a trust) absorb future growth, freezing your own tax exposure at that point in time and shifting subsequent value out of your estate.

When a sale finally happens, the mechanics of that original freeze — who holds which class of shares, what each class is entitled to on a sale, and whether each shareholder's shares independently qualify for their own capital gains exemption — directly determine how the sale proceeds actually get divided and taxed among family members. Corporate records, share terms, and any trust involved should all be reviewed to confirm they still reflect what was intended and that nothing has drifted out of compliance over the years.

Because an old freeze interacts directly with today's sale structure and exemption planning, having it reviewed by a tax advisor and lawyer before finalizing the sale is worth the time.