There is no fixed rate for NIS2 compliance
There is no concrete amount for "NIS2 compliance", and nobody can give you that with certainty in advance. The directive prescribes ten categories of measures, but the way a company implements them, and thus what it costs, varies greatly depending on the situation. An installation company with a few laptops and an accounting package in the cloud has a different starting point than a company with its own server room and multiple IT suppliers.
What costs are determined by is a limited number of factors: the size and complexity of your IT environment, how many of the requested measures you already have in place, whether you outsource work to an external party, and which tools or software you purchase. This makes it difficult to name an amount, but it is possible to understand where the money goes.
What determines your own situation
The first cost item is often not visible in an invoice: the time needed internally to take inventory of what you already have. Who needs to have access to which systems, which suppliers have access to your network, and how is an incident currently handled. Companies that already have this foundation in order, for example because they started an ISO 27001 process earlier, have less work than companies starting from scratch.
The second factor is the choice between doing it yourself and outsourcing. Some measures, such as an access control policy or an incident reporting procedure, are mainly a matter of documentation and agreements. Other measures, such as data encryption or network traffic monitoring, require more technical expertise and thus software or an external supplier. How much of the latter is needed depends on what is already in place.
The third factor is whether you engage a consulting firm for the entire process or only for certain parts. Full guidance costs more than targeted help with specific points, but saves internal time. Which choice is more cost-effective varies from company to company and is not a question that can be answered in general terms. If you first want to see which parts are relevant for your own company, you can check that with a few short questions yourself.
Costs that are often overlooked
Beyond the direct costs of measures and advice, there are costs that only become visible later. Evidence such as a risk analysis or a summary of access rights often have a validity period and must be updated periodically. This is not a one-time expense but a recurring task, and the time it takes counts towards the overall picture.
In addition, customers are increasingly sending questionnaires on cybersecurity, and each customer uses its own format and portal. Repeatedly filling in largely the same information costs time that is easily underestimated. An overview of which topics come up in this context can be found worked out per situation in the knowledge base.
What supplia does and does not do in this process
Supplia.eu does not build certification and does not provide an assessment of your security level; that remains your responsibility, your adviser's, and the competent supervisory authority's. What the platform does do is help to ensure that the answers you have already documented come back consistently in the questionnaires your customers send you. This saves no money on the underlying measures, but it does save time in documenting and delivering them repeatedly.
The basic information about NIS2 and the other concepts that come up in questionnaires is freely available, including the source in the official text. What a subscription adds is the detailed elaboration per obligation with the associated timelines and templates, and a notification as soon as something changes that affects your situation. The differences between free and paid are clearly shown on the pricing page.
How to arrive at a realistic estimate
Because the amount depends on your own starting position, the most useful first step is not to look for an average rate, but to establish where you currently stand. Only after that is a conversation with an IT supplier, consultancy firm or the competent supervisory authority worthwhile, as they can only say something about costs once it is known what is already in place and what is still missing. For questions that specifically affect your business, a lawyer or specialized consultancy firm remains the appropriate point of contact; this article describes the general line, not advice for an individual situation.
Would you like to first see which components are relevant for your business before you start comparing costs? Take the free quick-scan or browse through the topics in the knowledge bank to see where you stand.