By S&S Co. Advocates & Solicitors · Published 18 February 2026 · Informational content, not legal advice: see our disclaimer
The Basic Principle. Arbitration Is Consensual
Arbitration is, at its foundation, a creature of contract. A party can generally be compelled to arbitrate only if it agreed to do so. The 'group of companies doctrine' is a judicially developed exception to this rule, under which a company that never signed an arbitration agreement can, in specific circumstances, still be bound by it because of its close relationship with a group entity that did sign.
What the Cox and Kings Constitution Bench Settled
In Cox and Kings Ltd. v. SAP India Pvt. Ltd., a seven-judge Constitution Bench of the Supreme Court settled several long-disputed questions about the doctrine: that it survives as good law under the Indian arbitration framework, that 'party' under Section 2(1)(h) of the Act includes both signatories and non-signatories whose intention to be bound can be established, and that the doctrine's proper basis is the mutual intention of the parties, evidenced through the entire transaction, not a piercing of the corporate veil, which is a distinct legal concept with a different threshold.
The Factors Courts Actually Look At
Rather than a mechanical test, courts and tribunals weigh a cluster of factors on the specific facts: the corporate structure and interrelationship of the group entities; whether the non-signatory participated directly in the negotiation, execution or performance of the underlying contract; whether the subject matter of the dispute is closely intertwined with the non-signatory's own commercial role in the wider transaction; a composite reading of multiple related agreements executed by different group entities for a single commercial purpose; and the overall conduct of the parties, including any representations that the group entity would be bound.
No single factor is decisive: courts examine the transaction as a whole to determine whether the non-signatory, despite not putting pen to paper on the arbitration clause itself, was in substance a real party to the bargain.
What the Doctrine Does Not Do
The doctrine is not a mechanism to rope in a group's holding company or a sister concern merely because they share a common brand, common directors, or a common corporate parent. Mere corporate affiliation, without genuine involvement in the negotiation or performance of the specific transaction giving rise to the dispute, is not enough. Courts have repeatedly cautioned against using the doctrine as a shortcut to reach a better-resourced group entity that had no real role in the underlying deal.
Frequently Asked Questions
Does the group of companies doctrine apply automatically to every company in a corporate group?
No. It requires a fact-specific showing of the non-signatory's actual involvement and the parties' mutual intention, not mere common ownership or branding.
Is the group of companies doctrine the same as piercing the corporate veil?
No: the Supreme Court in Cox and Kings clarified these are distinct legal concepts; the doctrine rests on the parties' mutual intention as shown by the transaction, not on disregarding corporate separateness to prevent fraud or abuse.
Who decides whether the doctrine applies: the court or the tribunal?
Where the question is raised in a Section 11 appointment application, the referral court applies only a prima facie test, and the arbitral tribunal ultimately determines the question in more detail once constituted, consistent with the kompetenz-kompetenz principle.
How can a company protect itself from being bound as a non-signatory?
Maintaining clear, documented separation between group entities' roles in a transaction, and avoiding conduct that suggests an affiliate is a real party to the deal (such as an affiliate signing correspondence, guaranteeing performance, or directly negotiating terms), reduces the risk of being drawn into another entity's arbitration agreement.
References & Further Reading
This article references the following statutory provisions. It is educational content, not advice on any specific dispute.
- Arbitration and Conciliation Act, 1996, Section 2(1)(h) and Section 7: definition of 'party' and requirements of a valid arbitration agreement.
- See our Arbitration & Dispute Resolution practice area for further reading.