A secure place for tender work.
We store and analyse documentation using AI in Poland. openSales is backed by OpenNexus: a company with four ISO certificates and over 15 years of experience in the public procurement market.
Poland
servers with tender documentation
AI in Poland
attachment analysis and summary
4 × ISO
OpenNexus certificates
Over 15 years
OpenNexus in public procurement
Documentation and AI in Poland
Documentation → AI analysis → summary. Processing in Poland.
Your documentation remains in Poland.
We store tender documentation on servers in Poland. We use cloud infrastructure provided by the National Cloud Operator. You have a clearly defined place for storing information needed to work on the tender.
Our AI operates in Poland.
Summaries and attachment analysis are generated on infrastructure located in Poland. Documents processed by our AI systems remain in the country even during analysis.
Four standards. What they mean for your work.
OpenNexus certificates cover information security, cloud services, personal data protection, and business continuity. Check what each of these areas means.
ISO/IEC 27001: systematic information protection
Information security has defined principles, responsibilities, and supervision. We identify risks and select safeguards to protect the confidentiality, integrity, and availability of data. Scope of standard (opens in a new tab)
ISO/IEC 27017: cloud service security
We apply information protection principles taking into account the specifics of the cloud. These include securing the environment and dividing responsibility between the provider and the service user. Scope of standard (opens in a new tab)
ISO/IEC 27018: protection of personal data in the cloud
The standard organizes the protection of personal data entrusted to a cloud provider. For your company, this means an additional basis for assessing how the provider handles this information. Scope of standard (opens in a new tab)
ISO 22301: business continuity management
We manage business continuity: we prepare for disruptions, limit their effects, and plan the recovery of necessary processes. This is important in work where deadlines matter. Scope of standard (opens in a new tab)
Clear data protection rules. Someone you can contact.
We care about the processing of personal data in accordance with GDPR. OpenNexus has a designated Data Protection Officer, whom you can contact regarding privacy and the processing of your data.
You can find information about the purposes of processing, recipients of data, and your rights in the privacy policy.
Privacy policy
Processing purposes, data recipients, and your rights in one document.
Data Protection Officer
For privacy matters, write to iod@opennexus.com.
Business continuity and scalability
Prepared for disruptions.
We have backup plans and recovery procedures that we test regularly. Their goal is to limit the effects of disruptions and restore the processes needed to operate the services.
Ready to handle growing demand.
The cloud infrastructure allows adapting resources to the growing number of users and processed documentation. This allows us to develop the platform along with the scale of our clients' operations.
Polish capital. Clear responsibility.
openSales is developed by OpenNexus, a group with 100% Polish capital. You know who is behind the platform and responsible for its development.
Over 15 years of experience in public procurement.
OpenNexus develops openSales, the company also behind openBuy. For over 15 years, we have been creating solutions for the public procurement market. We combine experience in serving this market with the development of technologies supporting daily work.
for over 15 years in public procurement
Buyer's site
The buyer announces and conducts procedures, and suppliers submit bids.
Supplier's site
You find tenders, check requirements with analysis, and plan deadlines.
Check documents. Ask for details.
Evaluating openSales for your company? Check our certificates and data protection policies. The certificates are held by OpenNexus and issued by TÜV NORD bodies. You can view them without registering.

ISO/IEC 27001:2022
information security management
valid until 26.06.2027
Full certificate ISO/IEC 27001:2022 (PDF, 171 KB) (opens in a new tab)
ISO/IEC 27017:2015
cloud service security
valid until 26.06.2027
Full certificate ISO/IEC 27017:2015 (PDF, 163 KB) (opens in a new tab)
ISO/IEC 27018:2019
personal data protection in the cloud
valid until 26.06.2027
Full certificate ISO/IEC 27018:2019 (PDF, 164 KB) (opens in a new tab)
EN ISO 22301:2019
business continuity
valid until 07.01.2029
Full certificate EN ISO 22301:2019 (PDF, 404 KB) (opens in a new tab)