> ## Documentation Index
> Fetch the complete documentation index at: https://apidoc.cufinder.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Company Subsidiaries Finder API

> Subsidiary networks reveal organizational structures that enterprise sales teams need to map complete account hierarchies. The [Company Subsidiaries Finder](https://cufinder.io/enrichment-engine/find-child-companies) API returns comprehensive lists of child companies and divisions from parent company queries with 93% confidence scores. Built for developers creating enterprise sales and organizational mapping tools, this RESTful endpoint delivers verified subsidiary data that power account planning, relationship mapping, and multi-division outreach workflows across your sales stack.

export const ReadMore = ({link, children, className = ""}) => {
  return <div className={`${className}`}>
      <h3>Read More</h3>
      <Button href={link} target="_blank" variant="outline" size="md" color="primary" className="mt-2">
        <Icon icon="code" size={24} className="!mint-bg-emerald-600 mr-2" />
        {children}
      </Button>
    </div>;
};

export const Button = ({variant = "fill", size = "md", color = "primary", href, target, children, className = "", style = {}}) => {
  const isLink = !!href;
  const variantClassname = {
    fill: "border-none mint-bg-[var(--color)] !mint-text-white hover:mint-bg-[var(--color-dark)]",
    outline: "border !mint-border-b border-solid mint-border-[var(--color)] !mint-text-[var(--color)] mint-bg-[var(--color-lightest)] hover:mint-bg-[var(--color-lighter)]",
    text: "border-none bg-transparent !mint-text-[var(--color)] hover:mint-bg-[var(--color-lighter)]"
  };
  const sizeClassname = {
    sm: "px-3 py-1 rounded-md text-sm",
    md: "px-6 py-2 rounded-lg text-base",
    lg: "px-8 py-2.5 rounded-xl text-lg"
  };
  const colors = {
    primary: "rgb(22 163 74)",
    info: "rgb(43 127 255)",
    warning: "rgb(254 154 0)",
    error: "rgb(251 44 54)"
  };
  const Comp = isLink ? "a" : "button";
  return <Comp href={isLink ? href : undefined} target={isLink ? target : undefined} className={`inline-block duration-150 transition-all font-medium ${variantClassname[variant]} ${sizeClassname[size]} ${className}`} style={{
    "--color": colors[color],
    "--color-lightest": `color-mix(in srgb, ${colors[color]}, white 90%)`,
    "--color-lighter": `color-mix(in srgb, ${colors[color]}, white 80%)`,
    "--color-light": `color-mix(in srgb, ${colors[color]}, white 10%)`,
    "--color-dark": `color-mix(in srgb, ${colors[color]}, black 10%)`,
    ...style
  }}>
      {children}
    </Comp>;
};

export const SDKsList = ({className = ""}) => {
  const sdks = [{
    href: "https://github.com/CUFinder/cufinder-ts",
    title: "Typescript",
    description: "The Official TypeScript SDK for CUFinder APIs",
    imgSrc: "/images/logos/typescript.svg"
  }, {
    href: "https://github.com/CUFinder/cufinder-py",
    title: "Python",
    description: "The Official Python SDK for CUFinder APIs",
    imgSrc: "/images/logos/python.svg"
  }, {
    href: "https://github.com/CUFinder/cufinder-go",
    title: "Go",
    description: "The Official Go SDK for CUFinder APIs",
    imgSrc: "/images/logos/go.svg"
  }, {
    href: "https://github.com/CUFinder/cufinder-rust",
    title: "Rust",
    description: "The Official Rust SDK for CUFinder APIs",
    imgSrc: "/images/logos/rust.svg",
    darkRevert: true
  }, {
    href: "https://github.com/CUFinder/cufinder-ruby",
    title: "Ruby",
    description: "The Official Ruby SDK for CUFinder APIs",
    imgSrc: "/images/logos/ruby.svg"
  }];
  return <div className={`divide-y divide-slate-200 divide-solid ${className}`}>
      <h2>CUFinder Official SDKs</h2>
      <ul className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-y-4">
        {sdks.map(sdk => <li key={sdk.title}>
            <a href={sdk.href} target="_blank" className="flex items-center gap-4">
              <img src={sdk.imgSrc} alt={sdk.title} noZoom width={100} height={100} className={`w-12 !my-0 ${sdk.darkRevert ? "dark:invert-100" : ""}`} />
              <div>
                <div>
                  <p className="text-sm text-gray-800 dark:text-gray-200">{sdk.title}</p>
                </div>
                <div>
                  <p className="text-xs text-gray-500 leading-[1.2rem]">
                    {sdk.description}
                  </p>
                </div>
              </div>
            </a>
          </li>)}
      </ul>
    </div>;
};

<div id="cuf-use-cases" className="cuf-use-cases">
  ## Common Use Cases

  Seeing the full corporate family changes how you map an account and where you expand next.

  * **Account Mapping:** Seeing the full corporate family behind a target account.
  * **Whitespace Analysis:** Finding sibling companies to expand into.
  * **Risk and Compliance:** Tracing ownership across subsidiaries.
  * **Market Research:** Understanding a conglomerate's reach.
  * **Data Enrichment:** Linking parent and subsidiary records in your CRM.
</div>

<Badge color="blue" size="lg" icon="star" className="mt-3">
  Credit usage is 3 per record found.
</Badge>

## Attributes

<ParamField body="query" type="string" required>
  Company name or Company domain or Company LinkedIn URL
</ParamField>

## Response

<CodeGroup>
  ```json Response theme={null}
  {
      "status": 1,
      "data": {
          "confidence_level": 93,
          "query": "amazon",
          "subsidiaries": [
              "a9.com",
              "abebooks, an amazon company",
              "alexa.com",
              "amazon business",
              "amazon development center poland",
              "amazon fulfillment technologies & robotics",
              "amazon music",
              "amazon web services (aws)",
              "amazon games",
              "annapurna labs",
              "audible",
              "brilliance publishing",
              "comixology, an amazon company",
              "createspace",
              "curse",
              "goodreads",
              "imdb.com",
              "amazon lab126",
              "amazon | liquavista",
              "lovefilm",
              "prime video & amazon mgm studios",
              "quidsi inc., a subsidiary of amazon",
              "ring",
              "shopbop",
              "souq.com",
              "aws thinkbox",
              "twitch",
              "whole foods market",
              "woot, inc.",
              "zappos family of companies"
          ],
          "credit_count": 9892
      }
  }
  ```
</CodeGroup>

<div className="mt-20">
  ## Company Subsidiaries Finder API Typescript SDK

  <CodeGroup>
    ```typescript Request theme={null}
     import { Cufinder } from '@cufinder/cufinder-ts';

    // Initialize the client
    const client = new Cufinder('your-api-key-here');

    // Initialize with more options
    const client = new Cufinder('your-api-key-here', { timeout: 60000 });

    const result = await client.fcc('amazon');
    console.log(result);
    ```
  </CodeGroup>
</div>

<div className="mt-12">
  ## Company Subsidiaries Finder API Python SDK

  <CodeGroup>
    ```python Request theme={null}
    from cufinder import Cufinder

    # Initialize the client
    client = Cufinder('your-api-key-here')

    # Initialize with more options
    client = Cufinder('your-api-key-here', timeout=60)

    result = client.fcc('amazon')
    print(result)
    ```
  </CodeGroup>
</div>

<div className="mt-12">
  ## Company Subsidiaries Finder API Go SDK

  <CodeGroup>
    ```go Request theme={null}
    package main

    import (
        "fmt"
        "log"
        
        "github.com/cufinder/cufinder-go"
    )

    func main() {
        // Initialize the client
        sdk := cufinder.NewSDK("your-api-key-here")
        
        // Initialize with more options
        sdk := cufinder.NewSDKWithConfig(cufinder.ClientConfig{
            APIKey:     "your-api-key-here",
            BaseURL:    "https://api.cufinder.io/v2",
            Timeout:    60 * time.Second,
            MaxRetries: 3,
        })
    }

    result, err := sdk.FCC("amazon")
    if err != nil {
        log.Fatal(err)
    }
    fmt.Println(result)
    ```
  </CodeGroup>
</div>

<div className="mt-12">
  ## Company Subsidiaries Finder API Ruby SDK

  <CodeGroup>
    ```ruby Request theme={null}
    require 'cufinder_ruby'

    # Initialize the client
    client = Cufinder::Client.new(api_key: 'your-api-key-here')

    # Initialize with more options
    client = Cufinder::Client.new(
        api_key: 'your-api-key-here',
        timeout: 60,
        max_retries: 3
    )

    result = client.fcc(query: 'amazon')
    puts result
    ```
  </CodeGroup>
</div>

<div className="mt-12">
  ## Company Subsidiaries Finder API Rust SDK

  <CodeGroup>
    ```rust Request theme={null}
     use cufinder_rust::CufinderSDK;

    #[tokio::main]
    async fn main() -> Result<(), Box<dyn std::error::Error>> {
        // Initialize the client
        let sdk = CufinderSDK::new("your-api-key-here".to_string())?;
        
        // Initialize with more options
        let sdk = CufinderSDK::with_config(ClientConfig {
            api_key: "your-api-key-here".to_string(),
            base_url: "https://api.cufinder.io/v2".to_string(),
            timeout: Duration::from_secs(60),
            max_retries: 3,
        })?;
        
        Ok(())
    }

    let result = sdk.fcc("amazon").await?;
    println!("{:?}", result);
    ```
  </CodeGroup>
</div>

## Related APIs

<CardGroup cols={2}>
  <Card title="Company Lookalikes Finder" icon="copy" href="/apis/company-lookalikes-finder">
    Discover companies similar to a target.
  </Card>

  <Card title="Company Locations" icon="map-pin" href="/apis/company-locations">
    List a company's office locations.
  </Card>

  <Card title="Company Enrichment" icon="building" href="/apis/company-enrichment">
    Enrich a company with full firmographics.
  </Card>

  <Card title="B2B Customers Finder" icon="users-group" href="/apis/b2b-customers-finder">
    Identify a company's likely B2B customers.
  </Card>
</CardGroup>
