Migration and replatforming
Support for Mainframe MVS and z/OS migrations to UNIX and Linux, from initial studies through migration management.
Mainframe migrationMainframe / Open expertise
Migration, modernisation and integration
Engineers equally at ease with z/OS, UNIX, Linux and Windows, from PL/I to Java.
- Founded
- 1992
- Environments
- z/OS, UNIX, Linux, Windows
- Specialism
- Mainframe replatforming
Expertise
Expertise across legacy and open systems
HH&S works with architectures, infrastructure and applications that bring Mainframe and open systems together.
Systems and middleware
Technical expertise, architecture, administration, support and modernisation of Mainframe and Open infrastructures.
View our expertiseLinux on IBM Z
Expertise first explored in 2001 to support the implementation of Linux in IBM Z environments.
Linux on ZThe company
Engineers from the IBM Mainframe world
Founded in 1992, HH&S is an independent IT consulting firm whose engineers combine an IBM Mainframe background with deep expertise in open systems. This breadth of experience enables us to design robust IT architectures and support implementation, migration and modernisation projects.
Among HH&S achievements, the ACMU JCL/Shell converter has contributed to the company’s recognition in the field of replatforming.
Learn more about HH&SHH&S software
Tools built for real-world technical needs
ACMU
An automated MVS JCL to UNIX Shell converter for migration and replatforming projects.
Discover ACMU
Services
Consulting, implementation and technical support
We tailor our services to each project, from short-term support and long-term engagements to fixed-price delivery.
- Systems and middleware expertise
- Architecture and development
- Audits and RFP preparation
- Migration and migration management
- Technical support and administration
- Training