Insights

Growing User Base Castbox's global reach with access to content in multiple languages and across various platforms indicates a diverse and expanding user base, presenting opportunities to target multilingual and cross-platform advertising solutions.

Innovative Technology With proprietary features like in-audio deep search and curated recommendations, Castbox demonstrates a commitment to enhancing user experience, offering potential for partnerships in advanced AI-driven content integration and engaging advertising formats.

Strategic Integrations Recent integrations such as with Waze highlight Castbox's focus on embedding their technology into popular apps, signaling opportunities to collaborate with automotive, navigation, and smart device manufacturers for pre-installed or integrated audio solutions.

Growth Initiatives Launching features like Livecasts, Community, and ContentBox shows Castbox’s active effort to diversify revenue streams and monetize content, making them a promising partner for content monetization platforms and sponsorship opportunities.

Financial and Market Position With a revenue range up to 50 million USD and significant funding of 59 million USD, Castbox is positioned as a competitive player in the podcast industry, open to strategic investments or partnerships to accelerate expansion and technological capabilities.

Castbox Tech Stack

Castbox uses 8 technology products and services including Google AdSense, Comscore, C3.js, and more. Explore Castbox's tech stack below.

  • Google AdSense
    Advertising
  • Comscore
    Analytics
  • C3.js
    Charting
  • Amazon Web Services
    Cloud Hosting
  • MySQL
    Database
  • Google Tag Manager
    Tag Management
  • Bootstrap
    UI Frameworks
  • Facebook
    Widgets

Castbox's Email Address Formats

Castbox uses at least 1 format(s):
Castbox Email FormatsExamplePercentage
First.Last@castbox.fmJohn.Doe@castbox.fm
46%
First@castbox.fmJohn@castbox.fm
4%
First.Last@castbox.fmJohn.Doe@castbox.fm
46%
First@castbox.fmJohn@castbox.fm
4%

Frequently Asked Questions

Where is Castbox's headquarters located?

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Castbox's main headquarters is located at 450 Townsend Street San Francisco, California 94107 United States. The company has employees across 4 continents, including AsiaNorth AmericaEurope.

What is Castbox's official website and social media links?

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Castbox's official website is castbox.fm and has social profiles on LinkedInCrunchbase.

What is Castbox's NAICS code?

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Castbox's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Castbox have currently?

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As of February 2026, Castbox has approximately 82 employees across 4 continents, including AsiaNorth AmericaEurope. Key team members include Cfo: C. J.Chief Technology Officer: X. H.Chief Technology Officer: X. H.. Explore Castbox's employee directory with LeadIQ.

What industry does Castbox belong to?

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Castbox operates in the Technology, Information and Internet industry.

What technology does Castbox use?

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Castbox's tech stack includes Google AdSenseComscoreC3.jsAmazon Web ServicesMySQLGoogle Tag ManagerBootstrapFacebook.

What is Castbox's email format?

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Castbox's email format typically follows the pattern of First.Last@castbox.fm. Find more Castbox email formats with LeadIQ.

How much funding has Castbox raised to date?

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As of February 2026, Castbox has raised $59M in funding. The last funding round occurred on Apr 25, 2018 for $14M.

When was Castbox founded?

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Castbox was founded in 2016.

Castbox

Technology, Information and InternetCalifornia, United States51-200 Employees

Castbox is an award-winning global podcast platform that enables anyone to easily find, access, create and enjoy spoken audio content. We provide our users with access to endless content in multiple languages, from anywhere, across any platform including Android, iOS, desktop, car and smart home devices.

Our proprietary technology includes features like curated podcast recommendations and in-audio deep search to customize our user’s listening experience to change the way we listen to spoken audio.

Section iconCompany Overview

Headquarters
450 Townsend Street San Francisco, California 94107 United States
Website
castbox.fm
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2016
Employees
51-200

Section iconFunding & Financials

  • $59M

    Castbox has raised a total of $59M of funding over 3 rounds. Their latest funding round was raised on Apr 25, 2018 in the amount of $14Mas a Series B.

  • $25M$50M

    Castbox's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $59M

    Castbox has raised a total of $59M of funding over 3 rounds. Their latest funding round was raised on Apr 25, 2018 in the amount of $14Mas a Series B.

  • $25M$50M

    Castbox's revenue is estimated to be in the range of $25M$50M

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