The ELI-GBS and SSRIP Commissioning Workshop took place during 9-10 November at ELI-NP. The researchers from GDED and GSD departments of ELI-NP were joined by many invited expert users from several international institutes to discuss the current status of the two new facilities to be commissioned in the near future at ELI-NP: ELI-GBS and SSRIP. The plans for the commissioning experiments to take place in 2027 for the two beamlines, the experimental setups and the first physics results were presented by the participants and discussed in separate sessions.