Lump-sum tax
Running a business on the lump-sum tax? TAX NINJA handles all your filings end to end. Remote service across all of Poland.
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Our services
Full bookkeeping, payroll and tax advisory services for businesses of all sizes.
What we do
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KPiR
KPiR bookkeeping by an experienced online accounting firm. Flat-rate (liniowy) tax or the tax scale. All of Poland.
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Full accounting
Full accounting for limited liability companies (sp. z o.o.), joint-stock companies and other entities. Online accounting firm.
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HR and Payroll
Comprehensive HR and payroll services for companies across Poland. Employment contracts, payroll, ZUS, PPK.
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Statements
We prepare annual financial statements for companies: balance sheet, profit and loss account, additional notes. We file them with the KRS and the Ministry of Finance.
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Company Registration
We help you set up a sole proprietorship (JDG) through CEIDG. Choice of taxation form, VAT registration, ZUS.
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Company Formation
We help you set up a limited liability company (sp. z o.o.) via S24 or before a notary. Registration with KRS, NIP, REGON, VAT.
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IT Accounting
An accounting firm specialized in serving developers and IT companies. JDG, B2B contracts, KSeF, foreign-currency invoices, technology companies.
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KSeF
An accounting firm ready for KSeF. We help you roll out e-invoices in your company. Integration with accounting systems.
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Representation
Power of attorney, correspondence with authorities, audits, summons, verification activities, and proceedings — we'll handle it for you.
Innovative solutions.
We offer a full range of bookkeeping, payroll and tax advisory services.
Free consultation
AI
Wykorzystujemy sztuczną inteligencję do automatyzacji procesów księgowych, analizy dokumentów i wykrywania nieprawidłowości.
KSeF
Jesteśmy gotowi na obowiązkowy Krajowy System e-Faktur. Wdrożymy KSeF w Twojej firmie bez dodatkowych opłat.
SLA 24h
Gwarantowany czas odpowiedzi do 24 godzin w dni robocze. Pilne sprawy rozwiązujemy tego samego dnia.
100% Online
Cała obsługa zdalna — dokumenty, konsultacje, deklaracje. Bez papieru, bez przyjazdów do biura.
Frequently asked questions
Odpowiadamy na pytania, które najczęściej dostajemy od przedsiębiorców.
Do you handle sole proprietorships (JDG)?
Yes. We handle both the KPiR (revenue and expense ledger) and lump-sum taxation for JDG (sole proprietorships), as well as full accounting for sp. z o.o. (limited liability companies). We treat every business individually — no off-the-shelf solutions.
Do you represent clients before the tax office (US)?
Yes. Under the accounting service agreement, we represent clients in day-to-day matters before the US (tax office) and ZUS (Social Insurance Institution). We also provide support during tax inspections.
Which forms of taxation do you handle?
Registered lump-sum taxation, the KPiR (revenue and expense ledger) under the tax scale and flat tax, as well as full accounting for companies. We will help you choose the most advantageous form.
Do you help with setting up a business?
Yes — registering a JDG (sole proprietorship) via CEIDG, setting up an sp. z o.o. (limited liability company) via S24 or a notary, and registering for VAT and ZUS. Full support from day one.
Do you serve businesses from all over Poland?
Yes. We operate 100% online — regardless of location. All you need is an internet connection and access to e-mail or our platform. We serve clients from every voivodeship.
Will you prepare financial statements?
Yes — the balance sheet, the profit and loss account and the supplementary notes. We file the e-Financial Statement with the KRS (National Court Register) and KAS (National Revenue Administration) on time. We keep track of all statutory deadlines.
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