Nintex updates K2 on-prem platform for secure workflows

Nintex has released an updated on-premises version of its K2 workflow platform, adding new options for custom user interfaces, accessibility improvements, and expanded diagnostics for system integrations.

Branded Nintex K2 (5.9), the release targets organisations that run process automation in their own data centres. It focuses on environments shaped by security controls, audit requirements, and data residency rules.

Regulated sectors such as government and financial services have maintained demand for on-premises automation, even as software-as-a-service platforms have become the default for many business applications. Data sovereignty initiatives and stricter compliance programmes have increased scrutiny over where process data sits and how it moves across systems. As a result, self-hosted workflow platforms remain in use for some core processes, particularly those tied to identity, approvals, records management, and casework.

Nintex positioned the update as a way for IT and development teams to keep control of complex, cross-system workflows, and to modernise legacy processes while limiting risk in regulated environments.

Custom controls

A central change in K2 (5.9) is a custom control framework for building and managing tailored form elements within workflow applications. Nintex said it helps organisations align interfaces with internal governance and compliance requirements.

Many workflow programmes in regulated organisations rely on forms and task screens that mirror policy-driven processes. Teams often need to restrict what users can view, capture, or approve based on role and jurisdiction. In these environments, user interface standards can also form part of control evidence, particularly when processes map directly to regulated outcomes.

The framework lets organisations create, manage, and deploy interface elements from a centralised platform, while maintaining standard deployment and management practices as they extend form design.

Accessibility focus

The release also includes accessibility updates. Nintex said workflow applications built on the platform work with assistive technologies.

Accessibility compliance has become a procurement and operational requirement across many public sector bodies and large employers. Workflow tools often sit at the heart of employee- and citizen-facing transactions such as onboarding, requests, approvals, and service fulfilment. That makes accessibility a practical requirement rather than a check-box feature, especially where processes must work across diverse workforces.

Nintex said the changes will help organisations meet accessibility standards and support broader workforce participation.

Integration diagnostics

Integration reliability remains a persistent challenge for workflow programmes that connect older core systems with newer applications. K2 is typically deployed as an orchestration layer across multiple systems, including finance platforms, document repositories, identity services, line-of-business applications, and bespoke systems.

In K2 (5.9), Nintex said it has strengthened integration diagnostics with more descriptive error handling, added support for direct file processing through service endpoints, and enhanced support for complex data relationships to improve troubleshooting and system integration.

These changes tend to matter most in large deployments where workflows span multiple systems and integration failures can cause delays or create compliance risks. In regulated environments, IT teams also need clearer audit trails and faster incident response when workflow steps fail due to upstream system changes or data quality issues.

Customer claims

Flight Centre Travel Group referenced K2 in the context of orchestrating cross-system processes and reducing onboarding time.

"Like many global organisations, we need a tool to orchestrate complex, cross-system processes with confidence," said Nick Williams, Head of Digital Workplace, Americas at Flight Centre Travel Group. "Nintex K2 gives us the flexibility to design and control complex processes in a way that fits our business. In fact, with K2, we were able to reduce onboarding time by more than 80 per cent while maintaining governance, security, and operational consistency."

On-prem market

Nintex set the release against a backdrop of tightening security expectations and pressure on teams to deliver more automation with constrained resources. It argued that on-premises deployments still matter for organisations that need tighter control over how automation runs and how data is handled.

"Organisations running complex business processes need automation platforms that can adapt to their specific requirements while maintaining the security and control that on-premises deployment provides," said Niranjan Vijayaragavan, Chief Product and Technology Officer at Nintex. "Nintex K2 (5.9) advances those capabilities with tools that give development teams more flexibility in how they design user experiences and connect enterprise systems."

Partner firms also pointed to demand for practical improvements that affect day-to-day operations, particularly for organisations modernising legacy processes while maintaining existing platforms and controls.

"Every day, we see organisations trying to do more with complex systems, growing volumes of data, and increasing compliance demands," said Eugene Jones, Practise Lead at AiGS. "K2 release 5.9 elevates teams with more control and better accessibility in a practical way. We're excited to help customers modernise processes and combine K2 with AI to transform operational needs into real business outcomes."

Nintex said K2 (5.9) is available to existing customers through standard upgrade processes.