Every October, thousands of self-employed people across Ireland sit down to prepare their Form 11 and declare what they earned the previous year. Of equal importance is thinking carefully about what they spent and how much of it they are legally entitled to deduct from that income before their tax bill is calculated.
Revenue does not send you a reminder of what you can claim. It is your responsibility to know. And in our experience working with sole traders across Ireland, from physiotherapists in private practice to nail technicians working from home, from freelance photographers to virtual assistants and yoga teachers, the same deductions come up time and again as things people simply did not know they could claim.
This is not about finding loopholes. Every allowable expense listed here is legitimate under Revenue rules, supported by the principle that a business cost must be “wholly and exclusively” incurred for the purpose of your trade to be deductible. The question is whether you are claiming all the ones that apply to you.
Here is what we see most commonly being left on the table.
1. Professional Membership Fees and Subscriptions
If you are a member of a professional body because your work requires it or benefits from it, that membership fee is an allowable business expense. This applies whether you are a chartered physiotherapist paying your ISCP fee, a podiatrist maintaining Podiatry Ireland membership, a photographer with IPPVA, or a driving instructor paying for PDIA membership.
The same logic applies to any trade publication, professional journal, or industry subscription that is directly relevant to your work. If it exists because of your business, it is deductible.
What often gets missed here is that people pay these fees year after year without ever recording them as business expenses. They feel like personal outlays rather than the business costs they actually are.
2. Continuing Professional Development (CPD) and Training Courses
This one catches a lot of people out, particularly in the health and wellness sector. If you are a yoga teacher completing a specialist training module, a massage therapist attending a CPD weekend, a speech therapist keeping up professional standards, or a nail technician upskilling on new techniques, those costs are allowable business expenses.
The test is that the training must be relevant to your existing trade. A physiotherapist completing a dry needling certification qualifies. A completely unrelated qualification that takes you into a new career generally does not. But within your field, the costs of maintaining and developing your professional skills (course fees, materials, and sometimes travel to attend) can be claimed.
For many sole traders in the health sector especially, CPD is not optional. The cost of maintaining your professional standing is a cost of running your business.
3. Professional Indemnity Insurance and Public Liability Insurance
Every self-employed professional carrying insurance is paying a premium that is fully deductible as a business expense. Yet we regularly see people who have never claimed it, treating it in their minds as a personal cost rather than a business one.
Whether you are a complementary therapist, a freelance designer, a driving instructor, or a virtual assistant, the insurance you carry to do your job safely and legally is a cost of running your business. Keep the annual renewal documentation and record it as an expense.
4. Equipment, Tools, and Technology
This is where it gets slightly more nuanced and where getting it right matters. Small items of equipment (below a few hundred euro) can typically be expensed in the year of purchase. Larger pieces of equipment are treated as capital expenditure, and the cost is spread over eight years at a rate of 12.5% per year through what Revenue calls capital allowances.
In practice, this means a nail technician who spends €300 on a UV lamp can claim that in full in the year of purchase. A physiotherapist who spends €2,000 on a treatment table claims €250 per year for eight years. It is worth knowing which category your equipment falls into.
What counts in this area is broader than people think. For a photographer or videographer, it includes cameras, lenses, drones, lighting rigs, memory cards, tripods, and editing hardware. For a yoga teacher, it includes mats, blocks, bolsters, and props used in classes. For a virtual assistant, it includes the laptop, monitor, keyboard, and any peripheral equipment used for work.
Software subscriptions (Adobe Creative Cloud, accounting software, scheduling platforms, video editing tools, project management tools) are revenue expenses fully deductible in the year you pay for them.
FastTax.ie makes it easy to correctly claim your expenses, including saving your capital allowances to be claimed over eight years.
5. Phone and Broadband
You almost certainly use your phone and broadband for a mix of personal and business purposes. Revenue allows you to claim the business-use proportion of both.
There is no fixed formula for calculating this and you are expected to make a reasonable and honest estimate. If you spend roughly half your time on your phone doing business-related things, claiming 50% of your monthly bill is a reasonable approach. If you have a separate business phone, you can claim the full cost.
The same applies to broadband. If you work from home and many of you do, whether you are a virtual assistant, an illustrator, a yoga teacher delivering online classes, the business-use proportion of your broadband is deductible.
Keep your bills. The record-keeping is simple, and the claim adds up over the year.
6. Home Office Costs
This is consistently one of the most underclaimed areas for the sole traders we work with, and it is particularly relevant for anyone working primarily from home.
The principle is straightforward. If you use part of your home for work, you can claim a proportion of your household running costs as a business expense. This covers:
- Heating and electricity: the business-use proportion of your bills
- Broadband: as above
- Rent: if you are renting, a proportional claim is allowable
The calculation method Revenue expects is reasonable and proportionate. A commonly used approach is to divide the number of rooms you use for work by the total number of rooms in the house and then apply that fraction to the relevant bills. If you use one room out of five as a dedicated home office, you can claim 20% of your heating and electricity.
A word of caution worth knowing: if you claim a room as used exclusively for business, this could in theory affect the Capital Gains Tax principal private residence relief when you eventually sell your home. In practice, for most people working from a room that has occasional personal use as well, this does not arise but if you are in any doubt, it is worth a conversation with a tax adviser. Our tax experts can help you with this.
7. Vehicle and Travel Costs
If you use your car for business purposes e.g. driving to client appointments, clinics, shoot locations, or treatment rooms, you can claim the business-use proportion of your running costs, or use Revenue’s civil service mileage rates as the basis for your claim.
For a BER assessor driving between assessments, a physiotherapist doing home visits, or a driving instructor covering a wide geographic area, vehicle costs can be a significant deduction.
For sole traders and partnerships, the tax allowance for qualifying motor costs is based on the amount of business use mileage over total mileage. For example, if total running costs excluding lease costs were €8,000 and business use was 50%, then you can claim €4,000 of the motor running costs as a tax deduction.
The amount of the cost of the car that can be claimed as a tax depends on the cost and type of car. There is a general ceiling of €24,000 on the tax allowable cost and this is allowed as a tax deduction of €3,000 per annum claimed over eight years. This amount is then reduced by the fraction of business mileage over total mileage.
Leasing payments for a car are subject to the same type of restrictions.
If all of this sounds very complicated the good news is that the Fasttax.ie calculators will do all of this for you to ensure you get the correct tax allowance.
8. Clinic Room and Chair Rental
For sole traders who do not work from home but instead rent a treatment room, salon chair, or clinic space, this cost is directly and fully deductible as a business expense.
This applies to physiotherapists renting clinic rooms, massage therapists using a therapy centre, hairdressers renting a chair, acupuncturists working from a complementary health clinic, and yoga teachers paying to use a studio. If you are paying to use a space in order to generate your income, that payment is an allowable expense.
Get a receipt or invoice for every payment. An email from the studio owner confirming what you paid is entirely sufficient.
9. Marketing, Website, and Administration Costs
Any money you spend promoting your business is deductible. This includes social media advertising, Google ads, a photographer hired to take professional photos for your website, the cost of designing and printing business cards or flyers, your website hosting fee, and the annual domain registration.
It also includes accounting software, any bookkeeping support you pay for, bank charges on a business account, and professional fees. If you pay someone to help you with your tax return (including using a service like FastTax.ie) that is itself a deductible expense.
10. Pension Contributions
We have left this until last because it is the most powerful deduction available to self-employed people in Ireland and the one that is most frequently not thought of as a “business expense” at all.
As a sole trader, contributions you make to a pension are fully deductible against your income tax at your marginal rate. For a higher-rate taxpayer, Revenue effectively contributes 40% of whatever you put in. For a standard-rate taxpayer, it is 20%.
There are age-related limits on how much you can contribute and still claim relief ranging from 15% of net relevant earnings for those under 30, up to 40% for those aged 60 or over, with an overall annual earnings cap of €115,000. But within those limits, pension contributions are one of the most tax-efficient things a self-employed person can do.
And importantly for timing: a pension contribution made before 31 October can be claimed against the previous year’s tax bill. Which means that in the weeks before the filing deadline, you still have the opportunity to reduce what you owe for the previous year. It also helps for cash flow for the making of tax payments as you get the initial benefit of double tax relief when calculating the preliminary tax payments required.
You can explore how much a pension contribution could save you using the FastTax.ie Pension Contributions Tax Relief Calculator.
A Note on Record-Keeping
Revenue requires you to keep records for six years. For expenses, this means receipts, invoices, bank statements, or any other documentary evidence of what you spent and why it was a business cost. Digital copies are acceptable.
The habit of keeping records as you go is far less work than trying to reconstruct a year’s worth of spending in October. A simple folder on your phone or computer where you save receipts as they come in is genuinely sufficient for most sole traders.
How FastTax.ie Can Help
When you complete your Form 11 through FastTax.ie, our guided tool walks you through your return step by step including prompting you on the types of expenses relevant to your situation. Nothing gets missed because we ask the right questions.
You can file at your own pace using our Form 11 Core plan 1, have a tax expert review your return before you submit with Plan 2 Plus, or have our team file the return completely on your behalf with Plan 3 Premium.
If you would like to get a sense of your tax position before you start, try our Self-Employed Tax Calculator.

