Insights

Internal comms efficiency Zelo focuses on streamlining internal communications across multiple channels (email, SMS, Slack, MS Teams), signaling a strong value proposition for companies seeking to improve message reach and engagement within large or distributed teams.

SaaS upgrade momentum Recent release of Zelo 2.0 and its emphasis on monitoring and improving internal communications suggests ongoing product enhancement, an opportunity to target mid-market firms looking to modernize collaboration tooling.

Mid-market potential With an employee base in the 11-50 range and revenue likely in the low to mid single-digit millions, Zelo sits between SMBs and large enterprises, indicating a sweet spot for scalable adoption by growing companies needing structured updates across channels.

Tech stack fit Presence of integrations and technologies like Google Ads, Segment, Intercom, and Webflow indicates receptivity to digital marketing, analytics, and customer experience tools—opportunities to propose bundled solutions or co-sell with partners.

Competitive landscape Benchmarking against HR and People Ops platforms with high ARR and large employee counts suggests selling points around ease of deployment, cost efficiency, and focused internal comms capabilities for teams seeking alternatives to larger, more complex systems.

Similar companies to Zelo

Zelo Tech Stack

Zelo uses 8 technology products and services including Google Ads, Linkedin Insight Tag, iCIMS, and more. Explore Zelo's tech stack below.

Zelo's Email Address Formats

Zelo uses at least 1 email format:
Zelo Email FormatsExamplePercentage
First@zeloapp.comJohn@zeloapp.com
100%

Frequently Asked Questions

What is Zelo's stock symbol?

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Zelo is a publicly traded company; the company's stock symbol is EST.WA.

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

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Zelo's official website is zeloapp.com and has social profiles on LinkedIn.

How much revenue does Zelo generate?

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As of September 2026, Zelo's annual revenue is estimated to be $1M - $10M.

What is Zelo's NAICS code?

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Zelo's NAICS code is 5112 - Software Publishers.

How many employees does Zelo have currently?

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As of September 2026, Zelo has approximately 18 employees across 3 continents, including North America, South America and Europe. Key team members include Founder & Ceo: H. J. S., Founder & Coo: S. Y. and Founder And General Manager: B. C. Explore Zelo's employee directory with LeadIQ.

What industry does Zelo belong to?

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Zelo operates in the Software Development industry.

What technology does Zelo use?

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Zelo's tech stack includes Google Ads, Linkedin Insight Tag, iCIMS, WordPress, OneTrust, Segment, Intercom and Webflow.

What is Zelo's email format?

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Zelo's email format typically follows the pattern of First@zeloapp.com. Find more Zelo email formats with LeadIQ.

When was Zelo founded?

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Zelo was founded in 2017.
Zelo logo

Zelo

Software DevelopmentCalifornia, United States11-50 Employees

Zelo is a software development company based in San Francisco, California, focused on improving internal communications within organizations. Its platform enables users to compose, distribute, and track company updates across multiple channels, including email, SMS, Teams, and Slack, with the aim of optimizing reach and engagement. By allowing messages to be routed through preferred communication channels, Zelo targets teams that need efficient, multi-channel messaging to keep employees informed. The company positions itself in the internal communications and collaboration software space, providing a solution that helps organizations monitor and improve how information circulates internally. In addition to its core offering, Zelo announced the launch of Zelo 2.0 in June 2021, signaling an ongoing product evolution to support more effective corporate communications.

Section iconCompany Overview

Stock Symbol
EST.WA
NAICS Code
5112 - Software Publishers
Founded
2017
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

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

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