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
- 2022: Jack mackerel Benchmark Workshop (SCW14)
- 2020: Jack mackerel Technical Annex (SC8-report Annex 8)
- 2019: Jack mackerel Technical Annex Rev1 (SC7-Report Annex 8 Rev1)
- 2018: SCW6 - Jack mackerel assessment workshop
- 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
- 2020: 3rd Deepwater Workshop report (Virtual, 30 September to 2 October 2020)
- 2017: 2nd Deepwater Workshop report (Shanghai, 21 September 2017)
- 2017: Deepwater Workshop report (Hobart, 25 May 2017)
3. Squid WG (since 2017)
- 2019: 2nd Squid Workshop (SCW8), Havana Cuba 5-6 October 2019
- 2017: Squid Workshop report (Shanghai, 20 September 2017)
4. Habitat Monitoring WG (since 2019)
- 2019: 2nd HM Workshop (SCW9), Havana Cuba 5-6 October 2019
- 2019: Habitat Monitoring meeting report (Galway, Ireland, 30 April 2019)