GreenRiver is a company that has spun out of the HRmeansbusiness
consultancy, to focus on technology initiatives relating to HR and
workforce development and other projects.
Denis Barnard is the principal director; he is well-known in the
world of HR tech for his work on the selection and implementation of
systems.
In 2009 he founded the HRcomparison (now GPA comparison) the first in the UK dedicated exclusively to HR System.

To contact him directly, email: [email protected]