ESS vs ESOP – what’s the difference?

Employee share schemes (ESS) and employee share option plans (ESOP) are commonly used by corporations to incentivise employees and align performance with company growth by providing them with an interest in the company.  While the terms are often used interchangeably, they have distinct legal and structural differences under Australian law.  This article explains the key differences between ESS Interests and ESOP arrangements.

Difference between shares and options

A share represents an existing interest in a company and confers the rights attached to that interest, which may include voting rights, entitlement to dividends, and participation in any distribution of surplus assets on winding up.  By contrast, an option is a contractual right, but not an obligation, to purchase an asset under specific conditions.  Shares are immediate, current assets while options are future rights.

What are ESS Interests?

Section 1100M of the Corporations Act 2001 (Cth) (Corporations Act) defines an ESS Interest in an unlisted body corporate as:

• a fully paid share in the body corporate;
• an incentive right granted in relation to, or an option to acquire, an interest in a fully paid share; or
• any other interest in the body corporate prescribed by the regulations for the purposes of this paragraph.

An ESS Interest may be offered in the form of ordinary shares or the option to acquire ordinary shares.[1]  An offer is said to be eligible in connection with an ESS where the offer is expressed and covered by:

• section 1100P – offers for no monetary consideration;
• section 1100Q – offers for monetary consideration; or
• section 1100R – offers that would otherwise not need disclosure.

Interests provided in the form of a share or shares may be done so using an ESS, where interests provided in the form of an option to acquire shares may be provided using an ESOP.

What is an ESS?

Under section 1100L of the Corporations Act:

An ESS allows employees to acquire shares in their employer or a related body corporate, typically as part of their remuneration or incentive structure.

When the employee purchases these shares, they assume the same voting and dividend rights as other shareholders.

What is an ESOP?

Commonly, an ESS Interest offered in the form of an option to acquire shares is described as an ESOP, the difference being the “option” aspect.  An ESOP contains the terms on which a employees may be granted an options to acquire shares in the company at a future date, often subject to vesting conditions such as duration of employment or performance milestones.  Options do not represent ownership until they are exercised, and the employee must pay the exercise price or forfeit their option.  ESOPs are not explicitly codified in legislation, rather, they provide a method by which an ESS Interest may be offered.

When would an ESS or an ESOP be better?

As employees become shareholders at the time the shares are issued, ESS structures are most often used by more established companies seeking to promote long-term employee ownership and staff retention.  ESS arrangements are also frequently used by listed companies or mature private companies where the share value is relatively stable and employees can hold actual equity without creating significant upfront tax or valuation complications.

By contrast, ESOPs are most commonly used by start-ups and companies in their “pre-seed” or “seed” rounds, where issuing shares immediately may create tax liabilities or dilute founders prematurely.  Options allow companies to link equity participation to vesting periods, performance milestones, or liquidity events, meaning employees are rewarded only if the company’s value increases.  This structure preserves flexibility for founders and investors while still aligning employees with the company’s growth trajectory.

Key takeaways

If you are a business considering equity-based incentives, it is important to carefully assess whether an ESS or ESOP best aligns with your objectives.  This requires consideration of the following factors:

• stage of the company – early-stage and high-growth companies often favour options, while mature companies may prefer shares;
• employee incentives – whether the goal is long-term retention, performance alignment, or broad employee ownership;
• cash flow impact – options usually require no upfront payment from employees, whereas shares may;
• tax treatment – the tax consequences for both the company and employees under Australian ESS rules are immediate, but deferred for ESOPs;
• dilution of ownership – the effect issuing shares or options may have on existing shareholders;
• vesting conditions – whether equity should vest over time or on performance milestones; and
• administrative and regulatory requirements – compliance with the Corporations Act and ESS disclosure obligations will be less strict whether interests are offered for no monetary consideration.

---

[1] Corporations Act 2001 (Cth) s 1100W.

Links and further references

Cases

For an example of an ESOP dispute, see our article on the case of Selak v National Tiles Co Pty Ltd & Ors (No 4) [2024] VSC 438

Legislation

Corporations Act 2001 (Cth)

Further information

If you need advice on an employee share scheme or an employee share option plan, contact us for a confidential and obligation‑free discussion.

Disclaimer

This article contains general commentary only.  You should not rely on the commentary as legal advice.  Specific legal advice should be obtained to ascertain how the law applies to your particular circumstances

Related insights into Employee Share Schemes