Oxyok vs inFakt vs iFirma — Comparison of Accounting Services in Poland (2026)

Choosing accounting for a sole proprietorship (JDG — a Polish registered business run by one individual) in Poland? I compare Oxyok, inFakt, and iFirma — pricing, features, KSeF, language support, lump-sum tax. No marketing fluff, just facts.

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Pricing comparison (2026)

• Oxyok: from 49 zł + VAT / month
• inFakt: from 69 zł + VAT / month (Start plan)
• iFirma: from 69 zł + VAT / month (Start plan)

Oxyok is cheaper by ~20–30 zł per month. Over a year, that is 240–360 zł in savings.

Feature comparison

KSeF (National e-Invoice System — obligatory Polish e-invoicing)

• Oxyok: Full KSeF support from 2027. Electronic invoices, automatic records.
• inFakt: KSeF support planned.
• iFirma: KSeF support planned.

Lump-sum tax (ryczałt) and multilingual support

• Oxyok: Full lump-sum tax support at 8.5% for caregivers, IT, e-commerce. Website and communication in 8 languages (PL, EN, UK, RU, ES, FR, IT, DE).
• inFakt: Lump-sum tax supported, but communication mainly in Polish.
• iFirma: Lump-sum tax supported, communication in Polish.

Foreign transactions (export, intra-community acquisition, reverse charge)

• Oxyok: Specialization in foreign transactions — VAT-UE (EU VAT registration), intra-community acquisition of goods (WNT), intra-community supply of goods (WDT), reverse charge, invoices in EUR/USD.
• inFakt: Basic support.
• iFirma: Basic support.

Proactivity (reminders)

• Oxyok: Reminders about social-insurance (ZUS), VAT, and personal income tax (PIT) deadlines before the deadline.
• inFakt: In-app notifications.
• iFirma: In-app notifications.

Who is Oxyok for?

Oxyok is best when:

• You are a foreigner running a sole proprietorship (JDG) in Poland (communication in your language)
• You have foreign transactions (export, intra-community acquisition, reverse charge)
• You are on the lump-sum tax (ryczałt) — caregivers, IT, e-commerce
• You want proactive service (reminders, advice)
• You want a lower price without losing quality

Who is inFakt / iFirma for?

inFakt or iFirma may be better when:

• You are a Polish entrepreneur without foreign transactions
• You want a large app with many features
• Communication only in Polish is fine for you

FAQ

Does Oxyok support KSeF?

Yes. Full KSeF support from 2027.

Does Oxyok communicate in English?

Yes, in 8 languages: PL, EN, UK, RU, ES, FR, IT, DE.

Does Oxyok handle foreign transactions?

Yes — that is our specialty. VAT-UE, intra-community acquisition of goods (WNT), intra-community supply of goods (WDT), reverse charge, invoices in EUR/USD.

Is Oxyok cheaper than inFakt?

Yes. Oxyok from 49 zł + VAT, inFakt from 69 zł + VAT.

Choosing Oxyok?

I run sole-proprietorship accounting with proactive service — lump-sum tax, KSeF, foreign transactions, communication in 8 languages. From 49 zł + VAT per month.

Write to [email protected] or visit oxyok.com/pl.

Note: Prices based on public price lists in July 2026. Before deciding, check the current price lists.