Insights

Internal comms focus Zelo specializes in streamlining internal communications across multiple channels (email, SMS, Teams, Slack). This indicates a primary need for robust reach, message tracking, and channel optimization within organizations, presenting an opportunity to expand adoption among mid-market teams seeking better employee engagement and information flow.

SaaS product evolution The 2021 release of Zelo 2.0 signals a continued product development cycle and a willingness to invest in feature-rich updates. This suggests potential for upsell opportunities around advanced analytics, monitoring capabilities, and expanded channel support to meet growing enterprise requirements.

Growth potential Current revenue range ($1M–$10M) and a modest employee base (11–50) imply a fast-growing startup with room to scale. This can translate into targeted expansion plays for mid-market and small enterprise segments, offering scalable deployment and flexible pricing models.

Tech stack alignment Zelo utilizes a mix of web and analytics tools (Hotjar, Varnish, Webflow, Yoast SEO) and collaboration platforms, indicating a modern web-based product with emphasis on user experience and discoverability. Partners and integrations with common enterprise tools could be a strong selling point to reduce adoption friction.

Competitive positioning Operating in a space with incumbents like BambooHR and Gusto suggests opportunities to differentiate on targeted internal comms capabilities, channel breadth, and real-time message tracking. Propose value propositions around rapid ROI from improved employee alignment, change communications, and compliance messaging.

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 August 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 August 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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