Case record · Core: antitrust / funding · United Kingdom (GB)
UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow
On 13 October 2026 the UK Competition Appeal Tribunal ruled that ACSO can be authorised as class representative in its opt-out collective proceedings against Amazon group companies, subject to conditions; full reasons are to follow in a separate judgment.
Proceedings
United Kingdom — Authority proceeding
- Jurisdiction
- United Kingdom
- Case number
- unknown
- Posture
- Pending (as of 14 October 2026)
- Finality
- Unknown
- ID
- CASE-GB-2-P1
Timeline
- (decision date · day precision)
Certification: UK CAT certifies ACSO's opt-out collective claim against Amazon on conditions, with reasons to follow
Actor: Competition Appeal Tribunal · Posture after: Pending · latest recorded event
GBP 150 (other amount)
- 1749/7/7/25 Association of Consumer Support Organisations Ltd v (1) Amazon.com, Inc., (2) Amazon Europe Core S.À.R.L., (3) Amazon EU S.À.R.L, (4) Amazon U.K. Services Ltd., and (5) Amazon Payments U.K. Limited
United Kingdom · Official / primary · Judgment · published 13 October 2026 · en · checked 14 October 2026Cited at: A. Introduction, paragraph 1; A. Introduction, paragraph 1; A. Introduction, paragraph 2; A. Introduction, paragraph 2; A. Introduction, paragraph 3; A. Introduction, paragraph 3; A. Introduction, paragraph 3; B. ACSO's Application for a Collective Proceedings Order, paragraph 4; B. ACSO's Application for a Collective Proceedings Order, paragraph 4(a)-(b); B. ACSO's Application for a Collective Proceedings Order, paragraph 4(c)(i)-(ii); B. ACSO's Application for a Collective Proceedings Order, paragraph 5(a); B. ACSO's Application for a Collective Proceedings Order, paragraph 5(b); B. ACSO's Application for a Collective Proceedings Order, paragraph 5(b)(i)-(ii); B. ACSO's Application for a Collective Proceedings Order, paragraph 6; B. ACSO's Application for a Collective Proceedings Order, paragraph 7; B. ACSO's Application for a Collective Proceedings Order, paragraph 8; Cover page and B., paragraph 9
- 1749/7/7/25 Association of Consumer Support Organisations Ltd v (1) Amazon.com, Inc., (2) Amazon Europe Core S.À.R.L., (3) Amazon EU S.À.R.L, (4) Amazon U.K. Services Ltd., and (5) Amazon Payments U.K. Limited