We have a corporate website based on a proprietary CMS, which is difficult to use. Additionally, the scope of our activity has changed. We need to create a website from scratch with the store function (several products) and connect it to, for example, Typo3 CMS. We don't want to put it on WordPress. The graphics / colors of the current website may be similar, but without the carousel with logos, and the Projects menu, Free quote. The blog should be able to link the movie from YT. It is important that the store can import a given product with serial numbers (a pair of 2 numbers for each) from a CSV, XML file, and during the sale, this serial number is removed from the state. The buyer is to receive the serial numbers to the e-mail confirming the purchase, he does not see these numbers before. 3 language versions (translations on our side). Optionally, integration with GLS, downloading company data from the Central Statistical Office (GUS) after NIP (Tax Identification Number).