Companies / Dayworkbook / OpenAI
Does Dayworkbook use OpenAI?
Probably
We hold good evidence for this, but not the strongest kind.
- The company's privacy policy names it as a processor, controller or partner.
How we know
About Dayworkbook
Dayworkbook is a digital platform for managing daywork sheets, from creation and signing to billing reports and payment. It serves subcontractors and their clients.
Summarized from its homepage on 11 Nov 2026.
What else Dayworkbook uses
Dayworkbook has evidence for 5 vendors. The strongest:
Other companies using OpenAI
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- 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