Insights

Cloud-native advantage Castled.io sits atop a customer data warehouse to power segmentation and omnichannel engagement without storing customer data, presenting a compelling value proposition for data-driven marketing teams seeking privacy-friendly CEP solutions.

Low headcount, specialist With a lean team of 2-10 employees, Castled.io may be highly agile and customer-centric, offering a potential entry point for enterprise pilots or partnerships that leverage external scalability while maintaining a focused product roadmap.

Moderate funding cadence Current funding of 2.1M and revenue in the 1M–10M range indicate a growing but early-stage company, suggesting opportunities for upsell to premium features, data governance capabilities, or expanded channel reach as they scale.

Competitive positioning Positioned as a privacy-forward alternative to Braze, Customer.io, and MoEngage, Castled.io can pursue partnerships or co-sell initiatives with integrations into popular ecosystems to accelerate market adoption.

Tech ecosystem fit Existing tech stack elements like Cloudflare, HubSpot, and GoDaddy indicate potential integration and go-to-market opportunities with marketing and hosting platforms, enabling joint campaigns and improved onboarding for mid-market teams.

Similar companies to Castled.io

Castled.io Tech Stack

Castled.io uses 8 technology products and services including Google AdSense, Amazon Web Services, CookieYes, and more. Explore Castled.io's tech stack below.

Castled.io's Email Address Formats

Castled.io uses at least 1 email format:
Castled.io Email FormatsExamplePercentage
First@castled.ioJohn@castled.io
100%

Frequently Asked Questions

What is Castled.io's official website and social media links?

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Castled.io's official website is castled.io and has social profiles on LinkedIn.

How much revenue does Castled.io generate?

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As of August 2026, Castled.io's annual revenue is estimated to be $1M - $10M.

What is Castled.io's NAICS code?

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Castled.io's NAICS code is 5112 - Software Publishers.

How many employees does Castled.io have currently?

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As of August 2026, Castled.io has approximately 3 employees across 2 continents, including North America and Asia. Key team members include Co-Founder & Cpo: A. T. and Mobile Solutions Architect: A. J. M. Explore Castled.io's employee directory with LeadIQ.

What industry does Castled.io belong to?

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Castled.io operates in the Software Development industry.

What technology does Castled.io use?

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Castled.io's tech stack includes Google AdSense, Amazon Web Services, CookieYes, Amazon Simple Email Service, HubSpot, Microsoft Azure, Vercel and Algolia.

What is Castled.io's email format?

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Castled.io's email format typically follows the pattern of First@castled.io. Find more Castled.io email formats with LeadIQ.

How much funding has Castled.io raised to date?

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As of August 2026, Castled.io has raised $2.1M in funding. The last funding round occurred on Mar 31, 2022.

When was Castled.io founded?

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Castled.io was founded in 2021.
Castled.io logo

Castled.io

Software DevelopmentCalifornia, United States2-10 Employees

Castled.io is a software platform that supports customer engagement by converting a company’s warehouse data into audience segments and cross-channel outreach. It operates as a customer engagement platform, designed to use the client’s own data rather than storing it within the service. This arrangement allows marketers to work with their existing cloud data and activate segments across multiple channels. The approach centers on data control by the client while enabling targeted engagement.

It is based in San Francisco, California, and represents a small team within the software development sector. The product is positioned to serve marketers who want data-driven engagement built on their own warehouse data, differentiating itself by not duplicating customer data in the platform.

Section iconCompany Overview

Website
castled.io
NAICS Code
5112 - Software Publishers
Founded
2021
Employees
2-10

Section iconFunding & Financials

  • $2.1M

    Castled.io has raised a total of $2.1M of funding over 1 rounds. Their latest funding round was raised on Mar 31, 2022 as a Seed.

  • $1M - $10M

    Castled.io's revenue is estimated to be in the range of $1M - $10M

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