Frequently asked questions

Capital Gains Tax is a tax on the profit you make when you sell or dispose of an asset that has increased in value. You are taxed on the gain (the difference between what you paid for it and what you sold it for), not the total sale amount. In Ireland, CGT applies to assets like shares, employee equity, cryptocurrency, and investment property.

If you have sold shares, received and sold employee equity (such as RSUs or ESPPs), traded cryptocurrency, or disposed of any other chargeable asset at a profit in Ireland, then CGT likely applies to you. Many people in Ireland have CGT obligations without realising it, particularly employees at multinational companies who receive shares as part of their compensation.

CGT applies to a wide range of assets including stocks and shares, employee equity (RSUs, ESPPs, PSUs), cryptocurrency, investment property, business assets, and valuable collectibles such as art or antiques. Your main home (principal private residence) is generally exempt. ETFs and investment funds are subject to a separate 38% exit tax regime rather than standard CGT.

The standard CGT rate in Ireland is 33%. This applies to gains on shares, employee equity, cryptocurrency, and most other chargeable assets. Some reliefs may apply in specific circumstances (such as Entrepreneur Relief at 10% for qualifying business disposals), but for most people selling shares or crypto, the 33% rate applies.

Every individual in Ireland has an annual tax-free exemption of €1,270. This means the first €1,270 of capital gains you make in a tax year is not taxed. The exemption applies per person, per year, and cannot be carried forward if unused. Any losses you have are deducted from your gains first, before the exemption is applied.

FIFO stands for First In, First Out. It is the method Ireland requires you to use when working out which shares you sold. If you bought shares in the same company at different times and different prices, FIFO means the shares you bought first are treated as the ones you sold first. This determines your cost basis (what you originally paid), which directly affects how much gain or loss you report. Getting FIFO wrong is one of the most common mistakes people make when calculating CGT. Submyt applies FIFO automatically to every sale.

The 28-day matching rule is an exception to FIFO. If you buy shares in a company within 28 days before selling shares in that same company, the recent purchase is matched to the sale instead of using the normal FIFO order. This commonly applies when employees receive equity (such as RSU vests) and sell shortly afterwards. The rule exists to prevent people from selling shares at a loss and immediately rebuying them to claim the tax benefit. Submyt detects these situations automatically and applies the correct matching.

If you sell shares at a loss and buy shares in the same company within four weeks (28 days), you cannot use that loss to reduce your gains in the current year. The loss is "deferred," which is sometimes called bed and breakfasting. The deferred loss is not gone permanently. It attaches to the replacement shares you purchased and can be used when those shares are eventually sold. Submyt tracks deferred losses automatically and releases them at the right time.

If you buy or sell assets in a foreign currency (for example, US dollars), both the purchase and sale amounts must be converted to euro for CGT purposes. Ireland uses the European Central Bank (ECB) daily exchange rate for this conversion. Currency fluctuations between the date you bought and the date you sold can affect your gain or loss, even if the asset price in its original currency stayed the same. Submyt handles this conversion automatically using official ECB rates.

Yes. If you sell an asset at a loss, you can use that loss to reduce gains you made on other assets in the same tax year. This reduces the total amount of CGT you owe. Losses are deducted from your gains before the annual exemption is applied.

Yes. If your losses in a given year exceed your gains, the unused losses can be carried forward indefinitely and used against gains in future years. There is no time limit on how long losses can be carried forward. To use these losses in the future, you should declare them to Revenue in the year they occur.

The main exemptions include the annual exemption of €1,270 per person, the principal private residence exemption (your main home is generally exempt), transfers between spouses or civil partners, and Entrepreneur Relief (a reduced 10% rate on qualifying business disposals, subject to a lifetime limit). For most people dealing with shares, employee equity, or crypto, the annual exemption is the primary relief that applies.

Ireland splits the tax year into two periods for CGT payments. For gains made between 1 January and 30 November (Period 1), payment is due by 15 December of the same year. For gains made in December (Period 2), payment is due by 31 January of the following year. This means you often need to pay the tax in the same year you make the gain, not the following year.

Your CGT return is due by 31 October of the year following the tax year. For example, if you made gains in 2025, your return is due by 31 October 2026. If you file through ROS (Revenue Online Service), you may get a short extension to mid-November. The payment deadlines (December and January) come before the filing deadline, so you pay first and file later.

Yes. If you disposed of assets and made any gains during the year, you are required to file a CGT return with Revenue, even if the total is below the €1,270 annual exemption. The exemption means no tax is due, but the filing obligation still applies. Similarly, if you only made losses, filing is strongly recommended so those losses are on record and available to carry forward against gains in future years.

If you disposed of assets during the year but only made losses (no gains), it is strongly recommended that you file a return declaring those losses. If you do not declare them, you may not be able to use them to offset gains in future years. Filing ensures your losses are on record with Revenue and available to carry forward.

There are two main ways to file. The most common for PAYE employees is the CG1 form, which you can submit by uploading it through the "My Enquiries" section of your myAccount on Revenue.ie, or by posting it via Freepost. Alternatively, if you are registered for ROS (Revenue Online Service), you can file through a Form 11. ROS registration requires a digital certificate from Revenue, which can take some time to set up. With either approach, you need to have already paid the tax by the relevant payment deadline.

The filing itself is straightforward. You fill in a form with your gains, losses, and tax due, and submit it to Revenue. The difficult part is getting the numbers right: applying FIFO matching, detecting 28-day rule situations, converting foreign currencies, and tracking losses across years. That is what Submyt does for you. Your Submyt tax summary maps directly to the CG1 form fields, so once you have the summary, completing the form is a simple exercise.

If you pay late, Revenue charges interest at approximately 8% per year (calculated daily) on the outstanding amount. There can also be penalties for late filing of your return. It is important to note that Submyt has no involvement in the payment or filing process and cannot apply any discretion regarding fines, fees, or penalty interest imposed by Revenue.

Yes. Revenue treats cryptocurrency as a chargeable asset. Any profit you make from selling, exchanging, or otherwise disposing of cryptocurrency is subject to CGT at the standard 33% rate. This includes exchanging one cryptocurrency for another, not just converting to euro. The same rules around the annual exemption, loss offsetting, and payment deadlines apply to crypto as they do to shares.

Yes. When you sell shares that you received through an RSU (Restricted Stock Unit), ESPP (Employee Stock Purchase Plan), or PSU (Performance Stock Unit), any gain is subject to CGT. The cost basis is typically the market value at the time of vesting (for RSUs and PSUs) or the purchase price you paid (for ESPPs). Note that there may also be income tax obligations at the point of vesting or purchase, which are separate from CGT. CGT only applies when you later sell the shares at a profit.

Capital Gains Tax in Ireland is not a one-off event. You have payment obligations in December and January, a filing deadline in October, and your tax position changes every time you make a trade throughout the year. A subscription means Submyt is always there, keeping your calculations up to date and your deadlines visible, rather than something you scramble to use once a year at filing time.

Submyt has three plans. Discover is a free account that lets you try the full platform with up to 5 trades. Core (€75/year) gives you unlimited trades for stocks and employee equity. Core Plus (€150/year) includes everything in Core plus a Koinly license for cryptocurrency tax support. All paid plans are annual subscriptions with no hidden fees.

Core is €75 per year. Core Plus is €150 per year. You can also start with a free Discover account (limited to 5 trades) to try the platform before committing. There are no hidden fees, setup costs, or additional charges. Your subscription covers all tax years, so if you need to calculate CGT for previous years as well as the current year, it is all included.

Accountants are professionals with broad expertise across many areas of tax and financial services. When you hire one for CGT, you are paying for that full breadth of knowledge, which is often more than what CGT calculations require. Submyt specialises entirely in Capital Gains Tax. Our platform automates the calculations that would otherwise take an accountant hours to do manually, including FIFO matching, 28-day rule detection, foreign currency conversion, and loss tracking. That automation keeps our costs low, and we pass those savings on to you.

When you sign up, your subscription runs for one year from the date of purchase. During that time you have full access to the platform, including calculations for any tax year (current and previous). Your plan renews automatically each year unless you cancel. If you cancel, you keep access until the end of your billing period. Your data is always preserved, even if your subscription lapses.

Every paid plan includes unlimited trades, automatic CGT calculations with full Irish Revenue compliance (33% rate, period splitting, FIFO matching, 28-day rule, loss deferral, foreign currency conversion), real-time portfolio tracking, downloadable PDF tax summaries, a CG1 filing guide, deadline reminders, and full trade history across all tax years. Core Plus also includes a Koinly license for crypto tax.

Submyt is a CGT calculation platform, not a tax advisory service. We do not provide tax advice, portfolio optimisation recommendations, or guidance on when to buy or sell. We do not file your return with Revenue on your behalf. We also do not cover income tax, tax credits, or other tax obligations beyond Capital Gains Tax. For the specific asset types we support and do not support, see the "What does Submyt cover?" section below.

Yes. Your subscription covers all tax years, not just the current one. If you need to go back and calculate CGT for earlier years, you can do that within the same subscription. We recommend entering your oldest trades first so that FIFO matching and loss carryforward calculations are accurate across all years.

Submyt supports stocks and shares (listed on major exchanges), RSUs (Restricted Stock Units), ESPPs (Employee Stock Purchase Plans), PSUs (Performance Stock Units), and cryptocurrency (via our Koinly integration on the Core Plus plan). You can also add manual CGT entries for gains or losses from assets managed outside the platform.

Not yet. ETFs and investment funds in Ireland are subject to a separate 38% exit tax regime (down from 41%) with an 8-year deemed disposal rule, which is different from standard CGT. Supporting this correctly requires a separate implementation, and it is on our roadmap.

No. Futures, options, contracts for difference (CFDs), and other derivative instruments are not currently supported. These products have complex tax treatments that fall outside our current scope.

No. Foreign exchange (forex) trading is not currently supported. Note that Submyt does handle foreign currency conversion for share trades denominated in non-euro currencies (such as US dollar stocks). That is a different matter from forex trading as an asset class.

No. Submyt is designed for quotable assets: shares, employee equity, and cryptocurrency. We do not support property sales, business disposals, art, antiques, jewellery, or other non-quotable assets. If you have gains or losses from these assets that you want to include in your overall CGT position, you can add them as manual entries on the platform.

Not yet. Submyt currently supports Irish CGT rules only. UK support is on our roadmap. If you have CGT obligations in multiple jurisdictions, Submyt can only help with the Irish portion at this time.