Рассчитать налоги и комиссии при интеграции платежных систем

Hello. I am a sole proprietor, engaged in the trade of goods from China through my own website. I purchase goods through cargo companies or in Ukraine (less often). I received a request from the bank for financial monitoring. I provided some information myself, but after that, the request increased further) I need help preparing all the documents they are requesting. The freelancer needs to have prior experience with similar issues.

We need to connect a cash register system (PRRO) to an online store on the OpenCart 2.3.x platform. The specific one is not critical, but there is an account in Checkbox with a registered Trading Point, cash register, etc. We are using a simple CRM https://api.net.ua/. There are instructions for integration with Checkbox: https://api.net.ua/%d0%bf%d1%80%d0%be%d0%b3%d1%80%d0%b0%d0%bc%d0%bc%d0%bd%d1%8b%d0%b9-%d1%80%d1%80%d0%be-%d1%81heckbox-ua/ We use 3 types of payments: 1) online via LiqPay 2) transfer to the FOP account (as far as I understand, it does not require fiscalization) 3) cash on delivery via Nova Poshta Please write which PRRO you suggest for integration and the cost.

from 1-7-26 on VAT newly created 5 operations for 06-2026 prepare reports and submit and correctly prepare everything for VAT accounting (3-5 operations per month) without hired employees, only the director

Hello, I need to liquidate an LLC. It was created for grant funding, which was not received, with one founder. There are no hired employees, turnover is 0, and reports have not been submitted. Opened: November 2025, Kharkiv. In your proposals, please write about your experience and estimated time. The price can be discussed in private messages. Thank you.

1. Consultation on EDIN It is necessary to conduct a consultation and assist with the following issues: the principle of EDIN operation; document exchange with trading networks and corporate clients; setting up the exchange process: orders; invoices; tax invoices; acts; other EDI documents; integration of EDIN with the accounting system (if possible or recommendations for integration); typical mistakes and ways to avoid them.2. Organization of B2B accounting support It is needed: to consult on the proper organization of document flow with B2B clients; Experience in accounting for B2B companies. Practical experience working with electronic document flow through EDIN. Mandatory experience working with large trading networks and marketplaces, including: Epicenter; COMFY; Foxtrot; Rozetka.