Comment by mfrye0 - Hacker Neue

mfrye0 Oct 22, 2025 parent

Since it's quiet here, figured I'd share what the API actually spits out. Here's MG Motor's ownership chain (this is just the Mermaid diagram field - we return a bunch of other stuff too):

  graph TD
    e2[SAIC MOTOR UK HOLDING CO., LTD.]-->|2005-02-15|e1[MG MOTOR UK LTD]
    e1[MG MOTOR UK LTD]-->|2018|e7[MG Sales Centre Limited]
    e4[SAIC Motor Corporation Limited]-->e2[SAIC MOTOR UK HOLDING CO., LTD.]
    e4[SAIC Motor Corporation Limited]-->e3[SAIC MOTOR INTERNATIONAL UK LTD]
    e5[Shanghai Automotive Industry Corporation Group]-->|62.69%|e4[SAIC Motor Corporation Limited]
    e6[Shanghai State-owned Assets Supervision and Administration Commission Shanghai SASAC]-->e5[Shanghai Automotive Industry Corporation Group]

You can copy/paste that into any Mermaid renderer to see it visually. Pretty wild how a British car brand ends up tracing back to Shanghai's government.

Happy to run lookups for other companies if anyone's curious what their ownership looks like!

promiseofbeans Oct 28, 2025

How does it handle companies with huge numbers of subsidiaries, like Volkswagen?

mfrye0 OP Oct 28, 2025

Hey, good question. Yeah, we're aware of many companies that can have thousands of subsidiaries.

We found that going both up the chain and down / sideways in the chain was too much for the agent to handle - they are two distinct operations. The #1 use case was customers trying to understand the ultimate parent, so we decided to focus on that first.

We have something roughly working on subsidiaries, but it's not ready for prime time yet. It would likely be a separate API.

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