About Irish Investor

An independent, solo-built portfolio tracker and tax calculator designed specifically for Irish investors. Built because nothing else like it existed.

What We Cover

Capital Gains Tax (CGT) — 33%: S.581 matching rules, €1,270 annual exemption, loss carry-forward
Exit Tax — 38%: 8-year deemed disposals for EU-domiciled funds, 3-phase credit system
DIRT — 33%: Deposit interest retention tax on broker cash and crypto earn
Dividend Tax — marginal rate (up to ~52%): Income Tax (40%) + USC (up to 8%, or 11% for non-PAYE over €100k) + PRSI (~4%) stacked on gross dividend; foreign withholding credit for DWT
Crypto Income Tax: Staking, earn, and airdrops taxed at marginal rate with FIFO cost basis

USC is assessed individually per spouse; the PRSI €5,000 threshold applies to combined non-PAYE income under joint assessment (per Revenue TDM 41A-01-01 §3).

Legislation We Implement

S.581 TCA 1997 — CGT share matching (same-day, 4-week bed & breakfast, FIFO)
S.552 TCA 1997 — Allowable expenditure (broker fees, funding fees)
Revenue TDM 27-01A-03 — ETF taxation: S.747E Exit Tax on EU-domiciled funds and 8-year deemed disposals
S.1017 TCA 1997 — Joint assessment and per-spouse band allocation
Revenue TDM 44-01-01 — Joint assessment of married couples and civil partners
Revenue TDM 18D-00-01 — Universal Social Charge (USC)
Revenue — DIRT — Deposit Interest Retention Tax rates and filing rules
Revenue — Form 11 — Annual filing obligation for chargeable persons

Backed by 3100+ automated tests covering tax computations, share matching, broker parsers, and edge cases across tax years 2017–2026.

Disclaimer

Not financial or tax advice. Irish Investor is a software tool that performs calculations based on your input data. It does not constitute financial advice, tax advice, or professional guidance of any kind. Always consult a qualified tax advisor before filing with Revenue. See our Terms of Service for full legal terms.

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Contact: support@irish-investor.com