ESOP vs RSU

ESOP or RSU? The short answer: an ESOP is an option to buy shares, an RSU is a grant of free shares, and in India an RSU is not a separate instrument. This free guide explains the difference in structure, cost, vesting, taxation and risk, and how RSUs are actually structured under Indian law.

ESOP and RSU are the two most common forms of equity compensation, and the most confused. The difference is simple at the core: an ESOP is an option you choose to exercise by paying a price, while an RSU is a promise of free shares once you vest. The Indian twist is that RSU is not a defined instrument under the Companies Act, so it is delivered through an ESOP or a cash-settled structure.

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An RSU, or Restricted Stock Unit, is a company's commitment to deliver shares free of cost once vesting conditions of time or performance are met. There is no exercise price to pay.

Because the shares are free, an RSU almost always has value at vesting, which makes it steadier than an ESOP. RSUs are predominantly granted by listed multinationals and foreign parents. In India, since RSU is not a defined instrument, it is delivered either as an ESOP with a token exercise price or as a cash-settled right such as a stock appreciation right.

Both are taxed twice: as a salary perquisite first, then as capital gains on sale. The timing of the first stage is the key difference.

• ESOP perquisite at exercise: the gap between FMV on exercise and the exercise price is taxed as salary.
• RSU perquisite at vesting: the full FMV on vesting is taxed as salary, since the shares are free.
• Capital gains at sale: for both, sale price minus the FMV already taxed is the capital gain, classified by holding period.

Which one should a company choose: early-stage startups use ESOPs (no cash cost, future upside); listed or late-stage companies use ESOP-structured RSUs (steadier value, easy to explain); foreign parents align with the global RSU plan, structured for Indian compliance and tax; and dilution-averse companies use cash-settled SAR or phantom stock that mimics equity without issuing shares.

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Chosen ESOPs? See our ESOP management and compliance services, which cover the perquisite tax computation at exercise and the wider scheme work. Considering an equity grant for contribution? The same team advises on sweat equity alongside ESOPs.

Holding foreign-parent RSUs? The cross-border tax for NRI and non-resident employees and the ESOP perquisite reporting on your return are handled within our ESOP management and compliance services and income tax return filing. See also the full ESOP services hub.

ESOP: granted under Section 62(1)(b) of the Companies Act as an option to buy shares; the perquisite at exercise is taxed under Section 17(2)(vi) of the Income-tax Act.

RSU in India: not a separate statutory instrument; delivered as an equity-settled ESOP, a Section 62(1)(c) preferential allotment with Section 42 compliance, or a cash-settled SAR or phantom stock taxed as salary.

Taxation: RSU perquisite is taxed at vesting on full FMV; ESOP perquisite at exercise on FMV minus exercise price; both are taxed as capital gains on sale, with the cost base equal to the FMV already taxed.

Listed and foreign: listed-company plans follow the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations 2021; foreign-parent RSUs may attract overseas withholding with DTAA relief in India.

Authoritative sources: the Ministry of Corporate Affairs (Companies Act, Section 62), the Income Tax Department (perquisite, capital gains), the Companies Act and Rules, and SEBI (SBEB and Sweat Equity Regulations 2021).

Choosing the wrong instrument, or structuring an RSU as if it were a recognised Indian security, creates compliance and tax problems that surface in audit or due diligence. Decide the instrument and structure it correctly at the start, so the equity plan holds up when investors look closely.

ESOP and RSU answer the same question, how to reward people with equity, in two different ways: an option you pay to exercise, or free shares on vesting. The Indian reality is that RSU is delivered through an ESOP or a cash-settled structure, with tax at vesting rather than exercise.

Patron Accounting LLP, a CA and CS firm with 15+ years of equity-compensation experience, helps you choose and structure the right instrument for your stage and your tax position.