There is less and less time to adapt to KSeF. The good news is that as many as 72 percent surveyed enterprises (research commissioned by Asseco Poland) declare partial or complete readiness for KSeF. Only 10 percent claims that it has not yet taken any actions to prepare for the invoice revolution. Many companies (13%) are at the initial stage of implementation.
Most implement KSeF with the help of external partners. It is worth treating this as a systemic change and not just another function of the ERP system (enterprise resource management software system). Thanks to this, the company will benefit much more than just preparing for a new method of invoicing and document circulation. The study also shows what problems companies have in preparing for KSeF.
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Who is ready for the mandatory KSeF and who is not yet?
Let us remind you that the largest taxpayers are to start issuing mandatory e-invoices structured in KSeF from February 1, 2026, and the rest from April 1, 2026. The Biostat Research and Development Center, commissioned by Asseco Poland and Asseco Business Solution, conducted a study to assess the companies' preparations. It was attended by 150 respondents from the finance, insurance, leasing, trade, production, services and logistics sectors.
The report “Readiness of Polish companies for KSeF”, which was based on the study, shows that medium and large enterprises (employing over 100 people) are best prepared for KSeF. Over 50 percent such companies declared their full readiness for KSeF.
The smallest companies employing 5 to 10 people are the least advanced in the implementation of KSeF. In this group, only 27 percent are fully ready for KSeF.
One of the stages of preparation for the National e-Invoice System are system tests. The most active in the tests are medium-sized companies and enterprises from the finance and logistics sectors. 60 percent entities employing 51 to 100 people have already tested KSeF. In the case of small organizations – from 5 to 10 people – only 20 percent conducted tests. respondents.
Important support from external entities
The report also shows that most companies (69%) are preparing for KSeF using the support of external partners. The most popular strategy (48 percent of respondents) is the implementation of an ERP system or a financial and accounting system in cooperation with the existing supplier.
Some companies (23%) prepare for KSeF on their own, and 21%. with the help of an integrator. Only 8 percent respondents intend to exchange documents manually using the gateway provided by the Ministry of Finance.
“These data clearly show how important a role technological partners play in the preparation process for KSeF. – say the authors of the report.
What problems do companies have in preparing for KSeF?
Among the greatest organizational challenges related to the implementation of KSeF, entrepreneurs indicated in the study, among others: lack of experts and resources in the enterprise with knowledge of KSeF, the need to raise awareness of digital processes and adapt procedures for digital document circulation. The respondents also indicated that ambiguous regulations regarding the KSeF are a challenge, as well lack of knowledge in issuing corrections to invoices, lack of knowledge of employees, lack of knowledge of particular issues, the need for additional training. The challenge will be to discipline your clients and contractors to also use the KSeF system.
According to the companies, the biggest technological challenges include: the need to adapt IT systems and the lack of appropriate employee skills to operate the new technological environment, as well as concerns about insufficient hardware resources and system stability and efficiency.
Is KSeF a chance for something more than just adapting to new invoicing requirements?
Entrepreneurs also see benefits in KSeF, including: a chance to automate and simplify processes, easier accounting settlements, higher level of transaction security and accelerating digitalization.
As Renata Łukasik, director of the ERP Systems Production Division and member of the management board of Asseco Business Solutions, says, let's imagine an organization in which every domestic invoice – sales and purchases – is sent to the ERP system fully automatically. Each document is validated and immediately linked to the appropriate order or employee notification, goes through the approval path and is automatically posted. Employees responsible for the settlement area do not download files, copy data or verify it manually.
— In such a model, KSeF ceases to be a bureaucratic obligation and becomes a real work accelerator and reduces the risk of errors. We know from the experience of our implementations that such an “ideal model” is achievable — provided that we treat KSeF as a system change, and not as “another function” added to the ERP system – emphasizes Renata Łukasik.
He adds that KSeF also does this transformation of key processes: document circulation, integration and data flow between systems, security and, above all, the way people work.
Author: Łukasz Zalewski, journalist of the Law section of Business Insider Polska
