The Scientific Committee has established four Working Groups (WGs); some of them are convened during or adjacent to the annual Scientific Committee meeting. These WGs discuss their particular topic in a smaller group and organise intersessional workshops on specialised subject matters in their area of interest:

1. Jack Mackerel WG

• 2017: Tables and figures for the Jack mackerel assessment 
• 2016: Jack mackerel assessment 
• 2016: Jack mackerel Assessment Workshop (7-8 October 2016, The Hague, Netherlands)
• 2015: Jack mackerel Data Workshop (7-8 October 2016, Port Vila, Vanuatu)
• 2015: Jack mackerel assessment
  
• 2014: Jack mackerel assessment
  
• 2014: Report of the 5th Workshop on Diagnosis of the Status of the Jack mackerel Fishery in Peru (Peru 3-5 September 2014)
  

2. Deepwater WG

• 2017: 2nd Deepwater Workshop report (Shanghai, 21 September 2017)
• 2017: Deepwater Workshop report (Hobart, 25 May 2017)

3. Squid WG (since 2017)

• 2017: Squid Workshop report (Shanghai, 20 September 2017)

4. Habitat Monitoring WG (since 2019)

• 2019: Habitat Monitoring meeting report (Galway, Ireland, 30 April 2019)