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Accounting for Sole Proprietorship in Poland (JDG Bookkeeping)
Professional Accounting & JDG Bookkeeping Services in Poland
Running a one-person business (JDG) in Poland requires navigating complex tax regulations, strict payment deadlines, and evolving statutory reporting standards. A sole proprietorship is a business structure that offers great flexibility, but managing its finances demands accuracy. At SIIAMI, our accounting experts deliver full-scope accounting for a sole proprietorship tailored to your needs.
Whether you need monthly maintenance of the Tax Book of Revenues and Expenses (KPiR) to calculate your income and expenses or flat-rate tax accounting (Ryczałt) for your business income, our team ensures complete compliance with Polish tax obligations.
What Accounting Services Do We Provide for Sole Proprietors
Sole Proprietor Accounting Support in All Tax Systems
We provide comprehensive accounting support for sole proprietors and sole traders, including bookkeeping, maintenance of the Tax Book of Revenues and Expenses (KPiR), preparation of accounting records and other required documentation. We support entrepreneurs operating under different forms of taxation, depending on the nature of their business.
VAT Accounting, Tax Reporting and Settlements
We prepare and submit the required VAT declarations and provide ongoing support with VAT-related accounting matters, including VAT-UE where applicable.
ZUS Settlements
We calculate social security contributions and prepare the required ZUS declarations and settlements, helping ensure that your obligations are handled correctly and on time.
Payroll, Employee Accounting and Financial Statements
For clients who employ staff, we provide complete payroll administration, personnel tracking, social security management, and official financial statements or annual reports.
Tax Compliance for Every Entrepreneur and Freelancer
We guide entrepreneurs through administrative taxation rules. Proper accounting for sole proprietors helps maintain clean records, shielding your business in the event of an official tax audit.
Entrust your business accounting to SIIAMI
By entrusting your bookkeeping to our specialists, you secure reliable financial accounting, timely tax declarations, and ongoing compliance with current Polish legislation.
Extensive Experience in Sole Proprietorship Bookkeeping
Our accounting experts provide reliable bookkeeping and accounting services for more than 1,000 sole proprietors and hundreds of companies across Poland.
Bookkeeping for Every Entrepreneur Across Various Industries
We offer specialized accounting for a sole proprietorship in sectors like IT, international trade, construction, recruitment, and e-commerce.
Quick Responses to Customer Enquiries
Each client has a dedicated account manager who responds to questions related to their accounting services.
This gives you direct contact with a person who knows your business and can provide ongoing support.
Tax and Legal Consulting
We offer entrepreneurs comprehensive tax and legal advice, including assistance with interpreting regulations and finding appropriate solutions to business-related issues.
Transparent Pricing
Our sole proprietorship accounting packages have transparent pricing. We have no hidden fees, so you always know what is included in your monthly service.
Starting a Sole Proprietorship or Changing Your Accountant
Changing Your Accountant
Already operating in Poland? We handle the complete accounting document transfer from your previous office with zero friction or workflow interruption.
Price list
We believe in predictable costs without hidden fees. Our base packages scale directly with your document volume.
Bookkeeping
from 325 zł/month +23% VAT
Service includes:
- Processing of up to 5 accounting documents*
- Free access to wFirma software where you can generate and issue invoices for your customers
- Processing of bank statements in MT940 format
- Monthly preparation and sending declarations
(VAT-7/ VAT-UE/ VAT-9/ VAT-8) - Monthly preparation and sending declarations (ZUS DRA/ RCA)
- Preparation and sending declarations PIT-11/ IFT/ PIT-28 at the end of the year
- Personal manager who will answer your questions
* processing of each additional document costs 10 zł (net) per document.
Personnel records of sole proprietorships
65zł/ employee
Service includes:
- Preparation and filing of tax returns (we prepare PIT-11 and PIT-4R)
- Maintenance of insurance fees ZUS DRA
- Calculation of holidays and overtime
- Personnel consultancy
Our Reviews
Frequently asked questions
Why do I need an accountant, and what are the advantages of accounting services for sole proprietorships?
Polish tax law contains intricate details that change frequently. Outsourcing your bookkeeping to an experienced accounting firm ensures your operations stay fully compliant with Urząd Skarbowy regulations, avoids penalty risks, and saves you time.
What are the duties of an accountant regarding business calculations?
The accountant accurately records transactions in the leadger (KPiR or Ryczałt register), calculates tax liabilities and ZUS health contributions, and files required electronic declarations. For specialized tax planning strategies, entrepreneurs may consult a licensed tax adviser (Doradca Podatkowy).
What Are the Most Common Bookkeeping Mistakes Sole Proprietors Should Avoid?
Common errors include missing invoice deadlines, mixing personal and business income, improperly claiming non-deductible office expenses, and late personal tax return filings.
Can I get an accountant's advice on sole proprietorship activities from SIIAMI?
Yes, at SIIAMI you can get professional advice from an accountant on running a sole proprietorship. Our specialists will help you choose a taxation system, explain the current tax and accounting requirements, and answer all questions related to the financial management of your business.
Can you assist in registering a sole proprietorship or company and then offer comprehensive accounting services?
Yes, our company SIIAMI is an expert on the Polish market in the field of sole proprietorship registration and bookkeeping. If you want to register a sole proprietorship or a company in Poland we can help you with that.
If your company is already active in Poland and you are looking at changing your accountant, we will make a trouble-free and easy transition to our specialists.