Your cap table — who owns what — looks like a spreadsheet, not a tax problem. But the way you hand out, vest and buy back shares quietly decides whether someone walks into a tax bill on equity they barely paid for. Get the structure right and it protects the company and keeps investors happy. Get it wrong and your own shares can be taxed.
First, why founder vesting exists
Most people know employee vesting. Founders use the mirror image: reverse vesting. You hold all your shares from Day 1, but the company has the right to buy back the unvested portion if you leave early. The market standard is four years with a one-year cliff — nothing vests in year one, then it vests gradually — written into the shareholders’ agreement for every co-founder, including the CEO.
Why bother on your own company? Because of dead equity. A co-founder who quits at month eight and keeps 20% forever is a block of equity contributing nothing — and it is the first red flag an investor finds in due diligence. Vesting is what lets you reclaim that equity cleanly.
Now the tax traps — four of them
Trap 1: timing — take your shares early, at par
The single most important move. When you incorporate, the company is worth almost nothing, so founders subscribe to shares at par value with no tax cost. Wait until the company has real value and then issue founder shares cheaply, and the gap between what you pay and what the shares are worth can be taxed as income. Subscribe early, at par.
Trap 2: cheap shares are taxed in the receiver’s hands (56(2)(x))
If anyone receives shares for less than their fair market value — a co-founder who joins late and gets equity at par, or remaining founders buying out a leaver below value — the discount is taxed as income in the receiver’s hands (old Section 56(2)(x), now Section 92(2)(m) of the Income-tax Act, 2025), once it crosses ₹50,000.
Trap 3: shares for sweat are salary — taxed now
Getting equity for your work or IP rather than buying it (sweat equity) is treated as a salary perquisite under Section 17(2)(vi). The full value of the shares on the allotment date is taxed as salary that year — even though you received no cash. Receive sweat equity worth ₹20 lakh and ₹20 lakh is added to your salary income, with the tax payable in cash. DPIIT-recognised, 80-IAC-certified startups can defer this until a sale; most cannot.
Trap 4: buying out a leaver — the rules just changed
When the company buys back a departing founder’s shares, the tax has flip-flopped. For buybacks from 1 April 2026, the proceeds are back to being taxed as capital gains in the seller’s hands (unlisted long-term gains at 12.5%). But a founder is usually a promoter, and promoters carry an extra layer that lifts the effective rate. A leaver’s exit needs to be priced and timed with this in mind.
One more, if anyone is a non-resident
There is a quiet conflict between two rulebooks: income-tax says issue at or below FMV, while FEMA says issue at or above FMV. With a foreign founder or investor on the cap table, the only price that keeps both happy is exactly the FMV. Miss it in either direction and you have a problem with one regulator or the other.
The traps, and the fixes
| Equity event | The trap | The fix |
|---|---|---|
| Founder shares at incorporation | None — if done early | Subscribe at par, on Day 1 |
| Co-founder joins later | Discount taxed as income (56(2)(x)) | Issue at valuer FMV |
| Shares for sweat / IP | Salary tax now, no cash | Budget the tax; DPIIT defer |
| Buying out a leaver | Capital gains + promoter layer | Price at FMV, plan the timing |
What to actually do
- Put reverse vesting and leaver clauses in the SHA from Day 1 — for all founders, no exceptions.
- Subscribe your founder shares early, at par, before the company has value.
- Get a registered-valuer FMV for every issue, transfer and buyback — it is your defence against 56(2)(x).
- Keep the cap table clean and documented — no verbal promises, no undocumented advisor shares, no dead equity.
Frequently asked questions
What is reverse vesting for founders?
Reverse vesting means founders hold all their shares from Day 1, but the company can buy back the unvested portion if a founder leaves early. The market standard is four years with a one-year cliff, written into the shareholders’ agreement for every co-founder. It prevents a departing founder from keeping a large “dead equity” stake.
Why should I take founder shares at par right at the start?
Because at incorporation the company has almost no value, so subscribing at par carries no tax. If you wait until the company is worth something and then issue founder shares cheaply, the gap between the price you pay and the shares’ fair value can be taxed as income. Early, at par, is the clean way.
Is there tax if I get shares below fair market value?
Yes. If you receive shares for less than fair market value, the shortfall above Rs 50,000 is taxed as income in your hands under the old Section 56(2)(x), now Section 92(2)(m) of the Income-tax Act, 2025. This hits late co-founders given cheap equity and founders bought out below value, which is why every transfer needs a registered-valuer FMV.
How are sweat equity shares taxed?
As a salary perquisite under Section 17(2)(vi). The full fair market value of the shares on the allotment date, minus anything you paid, is taxed as salary that year - even though you got no cash. DPIIT-recognised, 80-IAC-certified startups can defer this tax until a sale; most startups must pay it at allotment.
How is a founder buyback taxed now?
For buybacks from 1 April 2026, the proceeds are taxed as capital gains in the seller’s hands (unlisted long-term gains at 12.5%), reversing the earlier deemed-dividend treatment. However, a founder is usually a promoter, and promoters face an additional tax layer, so a leaver’s buyback should be priced and timed carefully.
CA Vijay R Singh, FCA
Founder, Vijay R Singh & Co., Chartered Accountants · ICAI M.No. 153926 · FRN 136869W
Chartered Accountant for startups, NRIs and SMEs in Mumbai, in practice since 2013. More about CA Vijay →
Educational content, not tax or legal advice — equity structuring is highly fact-specific and the rules (buyback tax, the new 2025 Act) have changed recently; valuations must be supported by a registered valuer. Consult your advisor before any issue, transfer or buyback. Vijay R Singh & Co., Chartered Accountants · FRN 136869W · ICAI M.No. 153926 · Mumbai, in practice since 2013.
