Tech and IT Contractors: Tax Guide

Personal Services Income rules, the results test, R&D Tax Incentive for software, home office deductions, contractor versus employee classification, Employee Share Schemes, and IP commercialisation for Australian IT professionals.

Australian IT contractors face heightened ATO scrutiny under the Personal Services Income rules in Part 2-42 ITAA 1997. If more than 50% of your contract income rewards your personal labour or skills, the income is PSI regardless of whether you operate through a company or trust. Most IT contractors billing on hourly or daily rates, using client-provided systems, and not liable for defect rectification fail the results test and cannot self-assess as a Personal Services Business. The R&D Tax Incentive offers a 43.5% refundable offset (turnover under $20 million) or 38.5% non-refundable offset for eligible software development activities.

Last reviewed: 27 May 2026

Guidance, not advice. We explain the rules, we don't assess your situation. Always seek financial or tax advice from your accountant, or contact ATO. Read our editorial scope →

Personal Services Income: why IT is a high-scrutiny sector

PSI is income that is mainly a reward for your personal efforts or skills. If more than 50% of what you receive for a contract is for your own labour, skills, or expertise, the income is PSI. Part 2-42 ITAA 1997 can look through a company or trust and attribute the profit to the individual. IT consulting and contracting is a key ATO focus sector, referenced in recent guidance and PCG 2025/5 commentary.

The PSI tests in order of priority

The primary safe harbour is the results test. If you pass it, you are automatically a Personal Services Business and PSI rules do not apply. If you fail the results test, the 80% rule becomes relevant: if less than 80% of your PSI comes from a single client (including associates), you can self-assess using the unrelated clients test, the employment test, or the business premises test. If 80% or more of your PSI comes from one client, you cannot self-assess any test other than the results test and must apply for an ATO PSB determination.

Why hourly billing kills the results test

The results test requires three concurrent conditions for at least 75% of PSI. You must be paid to produce a specific result (not billed by the hour or day). You must provide your own tools and equipment (not use client-provided laptops, repositories, or cloud environments). You must be contractually liable to rectify defects at your own cost. Most IT contractors billing on time-and-materials, using client infrastructure, and with no warranty obligations fail all three limbs. The ATO's PSI decision tool confirms this pattern for the majority of time-based IT engagements.

Strategies to genuinely pass the PSI tests

Passing the results test requires re-engineering your contracts and working arrangements to reflect genuine business risk, not cosmetic changes. Fixed-price, deliverables-based contracts where primary consideration is for a specified result (feature set, deployment, migration) with milestone or completion payments support the first limb. Supplying your own major tools (laptop, development environment, cloud accounts) rather than relying on client infrastructure supports the second. Including warranty and defect rectification clauses making you responsible for fixing issues at your own cost within a defined period supports the third.

Alternative PSB tests when results test fails

The unrelated clients test requires cultivating and contracting with multiple unrelated clients, obtained through public advertising or genuine intermediaries, with no single client providing 80% or more of your PSI. The employment test requires engaging employees or contractors to perform at least 20% of the principal work or more than 1,800 hours per year. The business premises test requires maintaining dedicated premises (not part of your home) used mainly for PSI work and separate from clients' premises. Every strategy must reflect commercial reality. The ATO can apply Part IVA even if you technically pass a PSB test where the dominant purpose appears to be tax avoidance.

R&D Tax Incentive for software development

The R&D Tax Incentive under Division 355 ITAA 1997 provides a tax offset for eligible R&D expenditure. Companies with aggregated turnover under $20 million receive a 43.5% refundable offset (the company tax rate of 25% plus an 18.5% premium). Companies with turnover of $20 million or more receive a 38.5% non-refundable offset. The incentive is available only to companies, not to sole traders or partnerships.

What qualifies as eligible software R&D

Eligible activities must involve generating new knowledge or information, or creating new or improved materials, products, devices, processes, or services, where the outcome cannot be known in advance by a competent professional in the field. For software, this typically covers novel algorithm development, new platform architectures, experimental data processing methods, or genuinely innovative product features. Routine software development, configuration, integration, bug fixing, and incremental feature additions do not qualify. You must register your R&D activities with AusIndustry before lodging your company tax return for the relevant income year.

Documentation requirements

The ATO and AusIndustry expect contemporaneous records of hypotheses, experimental methodology, results, and conclusions. For software projects, this means version-controlled experiment logs, design documents that articulate what was uncertain, and records of failed approaches. Post-hoc reclassification of ordinary development work as R&D is a current compliance focus and attracts clawback, interest, and penalties.

Home office deductions for remote IT work

IT contractors working from home can claim deductions using the fixed-rate method (70 cents per hour, covering electricity, gas, internet, mobile and home phone, and stationery) or the actual-cost method (work-related portion of actual running costs based on reasonable apportionment). Under the fixed-rate method, decline in value of equipment (monitors, desks, chairs) is claimed separately on top of the hourly rate. You must keep records of all hours worked from home and at least one invoice or receipt for each cost category covered by the rate. Estimates are not accepted.

Occupancy costs and CGT implications

Mortgage interest, rent, council rates, and insurance are generally not deductible unless part of your home is a dedicated place of business used exclusively for income-producing work. An exclusively dedicated home office (separate room, used solely for work, with evidence of exclusive use) can qualify for occupancy cost deductions. However, claiming occupancy costs creates CGT implications on the sale of your home because the claimed portion loses the main residence exemption. For most IT contractors, the running-cost methods provide adequate deductions without triggering CGT exposure on the home.

Contractor versus employee classification

The ATO and courts examine the whole relationship, not just contractual labels. Factors that point toward employee status include set working hours, long-term engagement with a single client, integration into the client's team structure, use of employer-provided tools and systems, and lack of genuine business risk. The Full Federal Court in On Call Interpreters examined the totality of the relationship, including control, integration into the payer's business, and the economic reality of the arrangement.

Consequences of misclassification

If the ATO reclassifies a contractor as an employee, the engaging business becomes liable for unpaid superannuation guarantee (currently 12%), PAYG withholding on all payments, payroll tax in the relevant state, workers' compensation premiums, and entitlements under the applicable award or enterprise agreement. For the individual, reclassification can affect PSI status, the availability of business deductions, and GST registration obligations. Penalty and interest charges apply on unpaid amounts from the date they should have been paid.

Division 83A ITAA 1997 governs the taxation of shares and options received in connection with employment or services. Three treatment pathways exist. Taxed-upfront schemes assess the discount in the year of acquisition, sometimes with a reduction for eligible schemes. Deferral schemes postpone the taxing point until restrictions lift, employment ceases, or a statutory time limit passes. The startup concession, available for qualifying early-stage companies meeting age, turnover, and valuation limits, effectively eliminates upfront tax and pushes the gain into the CGT regime on eventual sale of the shares.

Contractors and ESS

If you are not technically an employee but receive equity through your company or trust in connection with IT services, ESS rules can still apply. The key question is whether the equity interest was provided in connection with your services to the issuing company. ESS statements issued by the company guide reporting. Where a contractor entity (Pty Ltd) receives shares, the individual behind the entity may still be the relevant taxpayer for ESS purposes depending on the arrangement's structure.

Equipment depreciation and software subscriptions

Items costing $300 or less used more than 50% for income-producing work qualify for immediate deduction in the year of purchase. Assets above $300 are depreciated over their effective life using prime cost or diminishing value methods. Laptops have a two-year effective life (50% prime cost per year). Desktop computers have a four-year effective life (25% per year). All claims must be apportioned for private use, with records of work-related versus personal usage maintained throughout the year.

Cloud and SaaS subscriptions

Most software and cloud subscriptions are revenue expenses deductible in the year incurred. This covers IDEs, developer tools, cloud hosting (IaaS and PaaS), test environments, SaaS platforms for project management, monitoring, and collaboration. Large one-off software licence acquisitions may be treated as depreciating assets depending on the terms. Annual or monthly subscription fees for tools like GitHub, AWS, Azure, JetBrains, Jira, and Slack are straightforward deductions apportioned for any private use.

Statute references

ITAA 1997 Part 2-42, Divisions 84-87 (Personal Services Income regime)
ITAA 1997 Division 83A (Employee Share Schemes)
ITAA 1997 Division 355 (R&D Tax Incentive)
ATO PCG 2025/5 (PSI compliance guidance for professionals)
ATO home office deduction guidance (fixed-rate and actual-cost methods)
ATO effective life determinations (IT equipment depreciation lives)
Fair Work Act 2009 (contractor versus employee classification)

Frequently asked questions

Why do most IT contractors fail the PSI results test?+

The results test requires all three conditions to be met for at least 75% of your PSI: you are paid to produce a specific result (not billed by the hour or day), you provide your own tools and equipment (not required to use client systems, laptops, or repositories), and you are liable to fix defects at your own cost. Most IT contractors bill on time-and-materials, use client-provided infrastructure, and have no contractual defect liability after the engagement ends. Failing any one condition means failing the entire test.

Can I split income to my spouse through a company if PSI rules apply?+

No. When PSI rules apply, net PSI is attributed to the individual whose personal efforts generated the income, even if it was earned through a company or trust. Income splitting to family members is ineffective for PSI. Retaining profits in a company at the lower corporate rate (dividend deferral) is also high-risk because the ATO treats deferred PSI distributions as non-compliant. The entity's allowable deductions are limited to what the individual could have claimed directly.

Is the R&D Tax Incentive available for in-house software development?+

Yes, but only for eligible R&D activities that meet the legislative tests under Division 355 ITAA 1997. The work must involve generating new knowledge or information, creating new or improved materials, products, devices, processes, or services, and the outcome must not be knowable in advance by a competent professional. Routine software development, systems integration, and bug fixing do not qualify. You must register your R&D activities with AusIndustry before lodging your company tax return for the relevant year.

How are stock options taxed for IT contractors working at startups?+

Employee Share Scheme rules under Division 83A ITAA 1997 govern the taxation of equity received in connection with services. For qualifying early-stage startup concessions, upfront tax is effectively eliminated and the gain is pushed into the CGT regime on eventual sale. Standard ESS rules tax the discount either upfront (in the year of acquisition) or on a deferred basis (when restrictions lift, employment ceases, or a time limit passes). Contractors who are not technically employees but receive equity through their service entity may still be caught by ESS rules if the equity is provided in connection with services.