Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Attracting and retaining great people is central to building a successful company. In Australia, more founders and employers are turning to equity incentives to motivate, reward and align their teams for growth.
If you’re weighing up restricted stock units (RSUs) vs stock options, you’re not alone. The acronyms and mechanics can feel complex at first – vesting, exercise price, taxing points and more. The good news is that once you understand the basic building blocks, you can design a plan that fits your stage, budget and hiring goals.
This guide breaks down RSUs and options in plain English, with an Australian lens. We’ll cover how each works, key differences, Australian tax and compliance basics, when each structure typically suits, and the core legal documents you’ll need. Our aim is to help you reward staff effectively and stay compliant as you grow.
Let’s demystify RSUs vs stock options for Australian employers.
What Are RSUs And Stock Options?
Stock Options (Often Via An ESOP)
A stock option gives an employee the right (not obligation) to buy shares at a fixed “exercise” or “strike” price after certain conditions are met (for example, time-based vesting or performance milestones). If the company’s value rises above the exercise price, options can deliver upside when exercised and later sold.
Options are commonly issued under an Employee Share Option Plan (ESOP). If you’re exploring this route, it’s worth reading a short primer on employee share options and getting your ESOP Rules drafted properly from the start.
Restricted Stock Units (RSUs)
Restricted Stock Units are a promise to deliver shares (or sometimes a cash equivalent) when specified conditions are met, usually time-based vesting. When RSUs vest, the employee typically receives the shares automatically – there’s no separate “exercise” step and no exercise price.
RSUs are often used by larger or later-stage companies because they’re simple for employees to understand and administer at scale. If you want a deeper dive, our guide to restricted stock units (RSUs) walks through typical plan settings and design choices.
How Do RSUs And Options Compare In Practice?
Both RSUs and options can align your team with long-term company success. The right fit depends on how you want to balance motivation, cost, certainty and admin. Here’s how they differ in day-to-day use.
- Vesting and ownership: Both use vesting schedules (for example, four years with a one-year cliff). With options, employees earn the right to buy shares as they vest and must take action to exercise. With RSUs, vested awards generally settle into shares automatically, subject to your plan rules and any sale restrictions.
- Upfront cost and risk: Options only have intrinsic value if the share price is above the exercise price at exercise. If not, options may be “underwater.” RSUs don’t require an exercise price, but value is still exposed to market and liquidity risk (for example, employees may receive shares they can’t sell immediately, or that later fall in value). RSUs don’t guarantee a cash outcome.
- Complexity and admin: Options require managing exercise windows, strike prices and leaver outcomes. RSUs avoid exercise mechanics but still need clear rules on vesting, settlement, sale restrictions and leavers. Either way, tidy cap table processes and clear plan documents reduce headaches.
- Motivation and alignment: Options strongly reward growth above the exercise price, which can be powerful in early-stage environments. RSUs provide more certainty of receiving equity if the employee stays to vesting, which some teams prefer. Many companies blend both to balance certainty and upside.
- Dilution and budget: Options can be more dilution-efficient early on because the exercise price contributes capital when exercised. RSUs have no exercise price, so they may feel more “expensive” from a dilution perspective but simpler for participants.
Australian Tax And Compliance Basics (Plain English)
Tax is often the trickiest part of equity incentives. In Australia, most employee equity falls under the employee share scheme (ESS) rules. The rules can provide concessions and can change the timing of tax for employees, so documentation and processes matter.
How Tax Timing Generally Works
- Options: Under the ESS rules, many options qualify for deferred taxation. Instead of being taxed at grant, employees are typically taxed at a later “deferred taxing point” (for example, when there are no longer meaningful restrictions on sale). Some startups may also qualify for the startup concession, which can provide favourable treatment if eligibility criteria are met. The key point: it’s not always “taxed on exercise” – it depends on the plan design and the ESS rules that apply.
- RSUs: RSUs are also covered by the ESS rules. A common outcome is tax at or around the vesting/settlement event, but again, the actual taxing point can be deferred under the ESS rules depending on how your plan is structured and whether restrictions apply.
Because taxing points depend on your plan and each employee’s circumstances, it’s important to build the right settings into your equity documents and to provide clear offer materials. Many employers share a plain-English tax summary and encourage staff to seek independent tax advice before accepting an offer.
Employer Compliance Checklist
- Plan documentation: Ensure your ESOP or RSU plan is drafted to fit the ESS framework and your stage. Clear vesting, restrictions and leaver provisions will influence taxing points.
- Disclosure and offers: Provide compliant offer documents and plan rules to participants. These should explain terms, risks and tax at a high level.
- Approvals and record-keeping: Have board and (if needed) shareholder approvals in place. Maintain accurate cap table records so you can track vesting and issues.
- Payroll and reporting: Equity may trigger reporting obligations. Build processes so your payroll and finance teams can handle any withholding or year-end reporting that applies to your plan.
If you’re setting up an ESOP, make sure your ESOP Rules are tailored to the ESS rules and your commercial goals.
Which Structure Suits Your Business Stage?
Early-Stage Or High-Growth Startups
Options are commonly used by Australian startups because they concentrate rewards on growth above the exercise price and can be designed to access startup concessions under the ESS rules (if the company qualifies). They also conserve cash, which is helpful in the early years.
Typical features include a four-year vesting schedule with a one-year cliff, good/bad leaver rules, and an exercise window after leaving. Many early teams anchor their equity program around options and revisit the mix at later stages.
Later-Stage, Larger Or Pre-IPO Companies
RSUs are often preferred once you’re more established, have a higher share value, or need simpler communication across a large team. RSUs can be easier for participants to understand and remove the administration of exercise and strike prices. They also suit companies with more predictable liquidity horizons.
That said, RSUs still carry market and liquidity risk. If there are sale restrictions or a long pathway to a liquidity event, employees may hold paper value that can move up or down.
A Hybrid Approach
Many employers blend instruments: for example, options for senior leaders who want more upside leverage, and RSUs for roles that value certainty. You can also adjust vesting schedules across groups to align with retention and performance needs. Whatever you choose, make sure your plan rules, Company Constitution and shareholder approvals are aligned so administration stays smooth as you grow.
Vesting, Leavers And Governance: Getting The Settings Right
Clear rules around vesting, leavers and approvals are where many equity plans succeed or stumble. Keep these fundamentals front-of-mind when drafting your plan documents.
- Vesting schedules: A common pattern is a one-year cliff, then monthly or quarterly vesting for the remaining term. Some companies add performance conditions for a portion of the grant.
- Good vs bad leavers: Define how unvested and vested equity is treated on resignation, termination, redundancy, or misconduct. Clarity avoids disputes and protects your cap table.
- Exercise windows (for options): Set a fair period post-employment to exercise vested options, balanced against cap table housekeeping and tax settings.
- Settlement mechanics (for RSUs): Spell out how and when RSUs settle into shares, and any sale restrictions or holding locks that apply.
- Buy-backs and transfers: For private companies, your Shareholders Agreement and Company Constitution should support your plan’s leaver outcomes, including buy-backs at fair value where appropriate.
- Approvals and execution: Use board or shareholder resolutions to authorise grants and plan adoption. If documents are being executed by the company, consider using the streamlined rules for signing under section 127 of the Corporations Act. For sole director companies, a short note on sole director resolutions can also be helpful.
What Legal Documents Will I Need?
The exact suite depends on whether you choose options, RSUs or a mix, but most Australian companies will need the following core documents.
- ESOP Rules (for options): The rulebook for your option plan – who’s eligible, vesting, exercise, leaver outcomes, restrictions and administration. You can work from a base Employee Share Option Plan and tailor to your needs.
- RSU Plan Rules (for RSUs): Sets the vesting schedule, settlement mechanics (shares or cash), sale restrictions and leaver treatment for RSUs.
- Offer Letter / Participant Agreement: The individual grant terms – number of options/RSUs, vesting, any performance conditions and key risk/tax disclosures.
- Shareholders Agreement: For private companies, a Shareholders Agreement manages decision-making, transfers, buy-backs and what happens at exit – it should align with your plan rules.
- Company Constitution: Your Company Constitution should support issuing equity under your plan and any future buy-backs or restrictions.
- Board/Shareholder Resolutions: Approving the plan and specific grants keeps you compliant and your cap table clean.
- Employment Contracts & Policies: If your employment agreements refer to bonuses or equity, make sure they’re consistent with your plan terms. Where you’re updating contracts, consider using a modern Employment Contract template and a short policy that explains your equity program.
Not every company will need every document on day one, but most will need several. The best approach is to fit your documents to your stage today – and keep them robust enough to support the next stage of growth.
Key Takeaways
- Stock options and RSUs both align teams with long-term success; the right choice depends on your stage, budget, hiring goals and how you want to balance certainty vs upside.
- Under Australia’s ESS rules, tax timing is often deferred and depends on your plan settings; it’s not always “taxed on exercise” for options or “taxed on vesting” for RSUs.
- Early-stage startups often prefer options (especially where startup concessions may apply), while later-stage companies frequently lean towards RSUs for simplicity.
- Clear vesting, leaver rules, approvals and aligned governance (via your Shareholders Agreement and Company Constitution) are critical to avoid disputes and protect your cap table.
- Essential documents usually include ESOP Rules or RSU Plan Rules, offer letters, board/shareholder resolutions, and consistent employment contracts and policies.
- Invest time in compliant offer materials and internal processes for payroll/reporting – this protects you and helps employees understand the value of their equity.
If you’d like a consultation on setting up or refreshing your RSU or ESOP plan, you can reach our team at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








