Start your business with us

  • Start your business quickly and conveniently: online or by phone, with expert support at every stage (contact us on 22 123 96 96).
  • With a Konto Mój Biznes account, you'll get free account maintenance for 2 years and up to PLN 6,000 in bonuses under the current special offers.
  • To help you get started, you can use accounting services for PLN 1 for the first 2 months under a special offer.

How to open business online?

Own business is an important step in life. Do it with our help and join the entrepreneurs.
  • Fill in simple application - it's in our mobile app and Millenet in MilleAdministration section
  • You can count on us - start a chat with our experts at any time
  • Without having to visit the office - register online a business in CEIDG, get NIP and REGON
  • Business account with debit card to start - we'll automatically open Konto Mój Biznes account and order a debit card
  • Help with formalities - we’ll help you send a VAT declaration and report to ZUS – free of charge

Up to PLN 6,000 in bonuses to give your business a strong start with our business account special offer

Start your business with us and open a Konto Mój Biznes account. Meet simple conditions and enjoy extra cash. With a single application, you can register your business in CEIDG and obtain your NIP and REGON numbers.

In this special offer you can gain:

  • Up to PLN 2,400 for payments – pay with your card or mobile wallet and receive up to 10% back on your purchases.
  • Up to PLN 1,800 for a PayTel payment terminal – sign a 12-month agreement and ensure monthly terminal turnover of at least PLN 1,000.
  • PLN 1,800 for leasing or a loan – pay a leasing instalment of at least PLN 1,000 to Millennium Leasing or take a loan for at least PLN 50,000 within 6 months of opening the account.

Additionally, remember to have given your marketing and commercial consents, log in to the mobile app at least once a month, and pay your Social Insurance Institution (ZUS) contributions from the account opened under this offer.

The special offer "Open a Konto Mój Biznes account with a bonus of up to PLN 6,000" is valid from 1.10.2026 to 28.02.2027. Limit: 18,000 accounts.

Up to 2 years of free account maintaining

Open the best account for sole traders available in our offer and pay for 2 years:
  • 0 PLN for maintaining a payment account in PLN
  • 0 PLN for maintaining a foreign currency account in GBP, EUR, CHF, USD
  • 0 PLN annual fee for Millennium Visa Business credit card
  • 0 PLN fee for online domestic transfers in PLN, EUR to EEA countries and SEPA
Promotion "Rozwiń swój biznes z Kontem Mój Biznes" runs from 1.04.2025 until further notice. We'll inform on our website about its completion at least 7 days in advance.

Opening a business is a first and the most important step – and we’ll help you take the next ones

Our experts will help you free of charge to:
  • Send a VAT declaration (if your business is obliged to it)
  • Report yourself, your employees and family members to ZUS
  • Make sure you’ve completed all the necessary formalities at the start

Legal note

You may open an account in the promotion till 28.02.2027 or up to expiry of the limit of 18,000 accounts. As part of the promotion, you can get bonuses worth a total of PLN 6000 if you open an account online and meet the conditions described in the regulations of the “Otwórz Konto Mój Biznes z bonusem do 6000 zł” promotion.

The promotion is targeted at entrepreneurs understood to mean sole traders registered in Centralna Ewidencja i Informacja o Działalności Gospodarczej [Central Business Activity Records and Information].

The provider of the service of setting up a business in CEIDG is Bank Millennium S.A. The service consists in making available and submitting to the Ministry of Development and Technology an application for entry of a business activity into the Central Registration and Information on Business Activity (CEIDG). The application is available in the mobile app and Millenet. Detailed terms and conditions are described in “Załóż firmę przez internet z Bankiem Millennium” (Set up a business online with Bank Millennium) Service Regulations, which are available in the Bank’s branches and on www.bankmillennium.pl.

Additionally in the “Rozwiń swój biznes z Kontem Mój Biznes” (Develop your business with Konto Mój Biznes account) promotion during 24 months the fee for keeping Konto Mój Biznes account shall be 0 PLN, for the first and subsequent FX accounts 0 PLN, the annual fee for a Millennium VISA Business credit card shall be 0 PLN. Domestic transfers ordered in electronic banking and mobile application to accounts in other banks: in PLN and EUR to EEA and SEPA countries in the standard mode free of charge. The a/m Promotion is available to entities which were not party to an agreement on a settlement account in PLN for Business Clients during 1.04.2024-31.03.2025 and gave all the marketing and commercial consents. Concluding a Konto Mój Biznes account agreement in PLN shall be deemed as joining the a/m Promotion. The “Rozwiń swój biznes z Kontem Mój Biznes” Promotion is valid from 01.04.2025 until its end, about which the Bank shall inform on the website http://www.bankmillennium.pl. Details are stipulated in “Rozwiń swój biznes z Kontem Mój Biznes” Promotion Regulations available in the Bank’s branches and on https://www.bankmillennium.pl.

The Millennium Księgowość service is provided by CashDirector S.A. with head office located in Warsaw, at Al. Jerozolimskie 96, 00-807 Warszawa. Promotion “Accounting for 1 PLN for 2 Months” is valid from 1 October 2026 to 28 February 2027 and consists of reducing the monthly fee for the Basic or Standard Accounting Services Package to 1 PLN net per month for the first two months of using the service. The promotion does not cover any additional accounting services that are charged in accordance with the Terms and Conditions of the Millennium Accounting service.

The promotion is available to sole traders who either hold or open a ‘Mój Biznes’ Account with Bank Millennium and who meet the conditions set out in the Terms and Conditions of the ‘Accounting for 1 PLN for 2 Months’ promotion. In particular, the promotion is intended for individuals who have not previously used any Accounting Services Packages within the Millennium Accounting service and who, during the preceding 24 months, have not used accounting services provided by CashDirector S.A. under any promotion organised by CashDirector S.A.

The promotion cannot be combined with other promotions relating to paid Accounting Services Packages offered by CashDirector S.A., with the exception of the ‘Entrepreneur Starter Pack’ promotion.

The detailed terms and conditions of the promotion are set out in the Regulations of the ‘Accounting for 1 PLN for 2 Months’ Promotion, available at www.bankmillennium.pl/delegate/managedfiles/136005/latest. The Regulations of the Millennium Accounting service are available at www.bankmillennium.pl/delegate/managedfiles/34005/latest.

Detailed principles of keeping business accounts, information about fees and interest rate are stipulated in General Conditions of Opening and Keeping Bank Accounts for Business Clients in Bank Millennium S.A. and the Service Price List, the said documents being available in the Bank’s branches and at www.bankmillennium.pl.