Apache Grails consultancy, upgrades and support — since Grails 1.x, current to Grails 7 and 8.

If your business runs on Grails 1–6, official support has ended, and below 6.2 there is no extended support for the framework itself. We plan and deliver the upgrade — or tell you honestly if you shouldn't.

Where your Grails version stands (2026)

Grails version	Status	Extended support?
2.x	End of Support since Jun 2021	Not available
3.x	End of Support since Sep 2021	Not available
4.x	End of Support since Mar 2024	Not available
5.x	End of Support since Jun 2024	Not available
6.x	End of Support since Jun 2025	6.2.x only (security patches)
7.x	Current — active maintenance	Available
8	In milestone builds	—

Source: official Apache Grails support schedule. Extended support keeps known CVEs patched — it buys time, not a future. When you're ready to actually move, that's what we do.

Not sure what your upgrade involves?

Get your free assessment

We offer a free upgrade assessment. Send us your current Grails version and your plugin and dependency list, and a senior engineer will come back with a written summary: a realistic upgrade path, which plugins are likely to cause trouble, and the risks we’d want to look at first. Then a 30-minute call to talk it through. There’s no charge and no obligation, and the summary is yours to use with us or with anyone else.

We're Good At What We Do

Grails Upgrades & Conversion

Book a consultation

Grails System Architecture and Design
Gorm Data modelling and design
Upgrades from any version since 1.x to Apache Grails 7/8, including Spring Boot 3.5, Jakarta and Java 17 migration
Testing with JUnit or Spock
CI Build Configuration
Deployment whether on-site, cloud, etc
Debugging and QA
UI/UX with GSP Groovy Server Pages and JS frameworks
Grails Performance Optimisation/Tuning
Security Architecture
Spring Boot / Gradle Configuration
Legacy Application Migration to Web/Cloud
javax → jakarta namespace migration
Grails-to-Spring-Boot conversion where retirement is the right answer

Schedule A Call

We have hired David as a consultant to help us with the migration and global improvement of one of our critical web application used by dozens of customs authorities and many other stakeholders around the world. David has a great expertise in Grails/Groovy and he did an excellent job in performing what was requested. David is also very professional as he has a keen interest in quality, focusing on automated tests, and he didn't hesitate to go the extra mile to ensure the long term viability of our application.

Sébastien Galtier Project Manager in the United Nations

We engaged with Dave to help us do an upgrade of a critical component of our platform in 2022. Overall, the project was done within budget and on time and with high quality. Dave was available to collaborate with our teams across timezones. And he left us with the tools and insights to carry on with the component once he had finished the upgrade. I would definitely recommend Dave to any and all. And I will be reaching out to him the next time I have a need.

Anil Nair CTO, Lifelink Systems

We have developed many packages together and they have always been a good collaborator. Tucanoo use efficient planning tools to track software development so that all concerned with a project know the state of play – what issues are outstanding and what has been accomplished.

Dr. Richard Tannenbaum CEO Propertissimo