Irish VAT registration thresholds were increased in Budget 2025 and remain at the new levels for 2026: €85,000 for the supply of goods and €42,500 for the supply of services. If your taxable turnover exceeds — or is reasonably expected to exceed — the relevant threshold in any rolling 12-month period, you must register with Revenue within 30 days.
The rolling-12-month rule (where most sole traders get caught)
The threshold isn't measured against your accounting year or calendar year. It's a rolling 12-month figure, recalculated at the end of every month. A bookkeeping business that does €4,500/month for ten months is fine; the month it tips to €4,900 — pushing the trailing 12 over €42,500 — registration becomes obligatory.
The penalty for late registration isn't just back-VAT (which would have been collectible from customers if you'd registered on time). It's back-VAT that you now have to pay out of pocket because you can't reasonably go back and re-invoice past customers. We've seen €8,000–€15,000 unexpected liabilities for sole traders who missed the threshold by two or three months.
Goods or services? Sometimes both
A bicycle shop that also offers repair services has mixed supplies. Revenue applies the lower (services) threshold by default to mixed supplies — unless you can clearly identify and isolate the goods component. Get advice if you're close to either threshold.
Voluntary registration: when it makes sense
You can register voluntarily below the threshold. Reasons to do so:
- Your customers are mostly VAT-registered businesses. They reclaim the VAT you charge — no real cost to them — and you reclaim VAT on your purchases. Net benefit to you.
- You have significant input VAT to reclaim — heavy capex, vehicle purchases, large pre-trading costs.
- You want to look established — being VAT-registered subtly signals you're not a hobbyist.
- You're scaling fast and will hit the threshold within months anyway. Better to set the bookkeeping up correctly than retrofit.
Voluntary registration: when it backfires
- You sell to mostly non-VAT-registered consumers. They can't reclaim your 23% VAT — you're effectively 23% more expensive than unregistered competitors.
- You have minimal input VAT (low overheads, mostly labour).
- Compliance is a real cost — VAT3 returns, RTD, accurate records, and the time to maintain them.
Distance-selling, OSS and IOSS
If you sell goods to private consumers in other EU countries from Ireland, you may need to register for the One-Stop Shop (OSS) once total cross-border B2C goods sales exceed €10,000. If you import low-value consignments (under €150) for sale to EU consumers, the Import One-Stop Shop (IOSS) applies. Both schemes consolidate VAT reporting for distance sales into a single quarterly Irish return.
Registration mechanics
- Sole trader/partnership: file Form TR1 via ROS
- Limited company: file Form TR2 via ROS
- Provide PPS number(s), business start date, projected turnover, bank account details
- Approval typically takes 7–14 working days; Revenue may follow up for additional documentation
- Once registered, your first VAT3 return covers the period from your effective registration date
Common gotchas
- You registered for the wrong basis (invoice vs cash receipts) and can't switch easily for 2 years
- You started before registration was approved — you can still recover pre-registration VAT on goods (4 years) and services (6 months), but only with good records
- You're using a non-Irish address — Revenue will want evidence of genuine Irish establishment
- You forgot to add VAT to invoices issued in the gap between threshold-breach and registration — and now you owe Revenue VAT you never charged
Close to the threshold?
One free 15-minute call usually saves four-figure surprise bills. We register clients on ROS and set up VAT-aware bookkeeping in one cycle.
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