Insights

Large user base Calendly serves over 20 million users across 230 countries, signaling broad market reach and potential for cross-sell into enterprises with global collaboration needs.

Enterprise readiness SOC 2 compliance and robust tech stack indicate security and reliability, making Calendly a compelling scheduling platform for regulated industries and large organizations seeking trusted vendors.

Expansion signals Recent competitor activity and integrations (Barrettsolutions, AI Agent Studio, ClickUp) suggest growing demand for automation-enhanced scheduling; opportunity to position Calendly as a scalable integration-friendly solution.

Financial scale Revenue in the high hundreds of millions with substantial funding implies strong growth and budget availability for expansion projects, presenting upsell and enterprise contract opportunities.

Competitive landscape Ongoing comparisons with Koalendar, Fluentive, Wealthbox, and others indicate a ripe market for differentiating Calendly’s features, security, and integrations to win mid-market accounts and SMBs seeking robust workflows.

Calendly Tech Stack

Calendly uses 8 technology products and services including Gravatar, CompTIA Network+, SOC 2, and more. Explore Calendly's tech stack below.

  • Gravatar
    Audio, Video, Graphics
  • CompTIA Network+
    Certificates
  • SOC 2
    Governance, Risk And Compliance
  • OneLogin
    Identity And Access Management
  • Nuxt.js
    Javascript Frameworks
  • GraphQL
    Programming Languages
  • Trello
    Project Management
  • X-Content-Type-Options
    Web & Portal Technology

Calendly's Email Address Formats

Calendly uses at least 1 format(s):
Calendly Email FormatsExamplePercentage
First.Last@calendly.comJohn.Doe@calendly.com
76%
F.Last@calendly.comJ.Doe@calendly.com
20%
First@calendly.comJohn@calendly.com
3%
FLast@calendly.comJDoe@calendly.com
1%

Frequently Asked Questions

What is Calendly's phone number?

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You can contact Calendly's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

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

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Calendly's official website is calendly.com and has social profiles on LinkedInCrunchbase.

What is Calendly's SIC code NAICS code?

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Calendly's SIC code is 7372 - Prepackaged Software NAICS code is 5112 - Software Publishers.

How many employees does Calendly have currently?

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As of July 2026, Calendly has approximately 530 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: A. L.Chief Executive Officer: J. B.Chief Executive Officer: J. H.. Explore Calendly's employee directory with LeadIQ.

What industry does Calendly belong to?

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Calendly operates in the Software Development industry.

What technology does Calendly use?

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Calendly's tech stack includes GravatarCompTIA Network+SOC 2OneLoginNuxt.jsGraphQLTrelloX-Content-Type-Options.

What is Calendly's email format?

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Calendly's email format typically follows the pattern of First.Last@calendly.com. Find more Calendly email formats with LeadIQ.

How much funding has Calendly raised to date?

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As of July 2026, Calendly has raised $351M in funding. The last funding round occurred on Jan 26, 2021 for $350M.
Calendly logo

Calendly

Software DevelopmentGeorgia, United States501-1000 Employees

Calendly is a software development company headquartered in Atlanta, Georgia, at 271 17th Street Northwest, 10th Floor, Atlanta, Georgia 30363, United States. Its scheduling automation platform enables individuals, teams, and organizations to automate meetings and reduce scheduling back-and-forth. The platform is used globally, with more than 20 million users across 230 countries. Calendly employs between 501 and 1000 people. The company's website is https://calendly.com.

Section iconCompany Overview

Phone number
SIC Code
7372 - Prepackaged Software
NAICS Code
5112 - Software Publishers
Employees
501-1000

Section iconFunding & Financials

  • $351M

    Calendly has raised a total of $351M of funding over 2 rounds. Their latest funding round was raised on Jan 26, 2021 in the amount of $350Mas a series_b.

  • $500M$1B

    Calendly's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $351M

    Calendly has raised a total of $351M of funding over 2 rounds. Their latest funding round was raised on Jan 26, 2021 in the amount of $350Mas a series_b.

  • $500M$1B

    Calendly's revenue is estimated to be in the range of $500M$1B

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