Companies / 3RD
3RD is an AI visibility platform that shows marketing teams where AI assistants choose their brand or a competitor and drafts fixes for them to approve. It serves marketing teams and the teams around them, including brand, content, PR and comms, SEO and digital, eCommerce, and agencies.
Summarized from its homepage on 10 Nov 2026.
Østerfælled Torv 10, København Ø, 2100, DK
Vendors of 3RD and the evidence for each
3RD declares 10 subprocessors, including AI providers Anthropic, OpenAI.
VercelCloud and infrastructureConfirmed
Amazon Web ServicesCloud and infrastructureConfirmed
AnthropicAI and LLM providersConfirmed
Google AIAI and LLM providersConfirmed
IntercomSupport and chatConfirmed
OpenAIAI and LLM providersConfirmed
PipedreamDeveloper toolsConfirmed
PostHogAnalyticsConfirmed
SentryObservabilityConfirmed
SupabaseCloud and infrastructureConfirmed
4 more vendors
See 3RD's full stack and the source for every claim.
Create a free accountWork email, no card. Already have one? Log inQuestions about 3RD
Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.
See 3RD's full stack
Every vendor with its source and date, and an alert when 3RD adds or drops one. The same lookup works for any company.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call