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Gathering insights about Calibre One

Calibre One Tech Stack

Calibre One uses 8 technology products and services including jsDelivr, WordPress, MySQL, and more. Explore Calibre One's tech stack below.

  • jsDelivr
    Content Delivery Network
  • WordPress
    Content Management System
  • MySQL
    Database
  • Google Fonts API
    Font Scripts
  • Handlebars
    Javascript Frameworks
  • AOS
    Javascript Libraries
  • Cloudflare Bot Management
    Security
  • Gravity Forms
    Web Platform Extensions

Media & News

Calibre One's Email Address Formats

Calibre One uses at least 1 format(s):
Calibre One Email FormatsExamplePercentage
First.Last@calibreone.comJohn.Doe@calibreone.com
86%
FLast@calibreone.comJDoe@calibreone.com
12%
First.MiddleLast@calibreone.comJohn.MichaelDoe@calibreone.com
1%
FL@calibreone.comJD@calibreone.com
1%

Frequently Asked Questions

What is Calibre One's phone number?

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You can contact Calibre One'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 Calibre One's official website and social media links?

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Calibre One's official website is calibreone.com and has social profiles on LinkedIn.

How much revenue does Calibre One generate?

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As of December 2025, Calibre One's annual revenue is estimated to be $2.6M.

What is Calibre One's SIC code NAICS code?

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Calibre One's SIC code is 7361 - Employment Agencies NAICS code is 5613 - Employment Services.

How many employees does Calibre One have currently?

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As of December 2025, Calibre One has approximately 67 employees across 4 continents, including EuropeNorth AmericaOceania. Key team members include Vp Of Operations & Human Resources: S. C.Vp Nevada Geology: J. J.Head Of Human Resources & Operations: B. V.. Explore Calibre One's employee directory with LeadIQ.

What industry does Calibre One belong to?

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Calibre One operates in the Staffing and Recruiting industry.

What technology does Calibre One use?

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Calibre One's tech stack includes jsDelivrWordPressMySQLGoogle Fonts APIHandlebarsAOSCloudflare Bot ManagementGravity Forms.

What is Calibre One's email format?

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Calibre One's email format typically follows the pattern of First.Last@calibreone.com. Find more Calibre One email formats with LeadIQ.

When was Calibre One founded?

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Calibre One was founded in 1999.

Calibre One

Staffing and RecruitingEngland, United Kingdom51-200 Employees

Calibre One works with the builders of great companies– from iconic giants to VC and PE backed market pioneers – helping them to create diverse and high-performing leadership teams. 

For over 20 years we have operated from three principal hubs: San Francisco, New York and London. We also have offices in: Menlo Park, Los Angeles, San Diego, Chicago and Dallas.

We are one of very few firms with a truly well-developed transatlantic presence. We pride ourselves as being small enough to provide a high-touch, partner-led service but as a well-established global firm we are also experts at helping tech-enabled companies to grow beyond their domestic markets and access leadership talent across the world.

Sign up to 'The C1 Insider' newsletter here: https://www.calibreone.com/newsletter-signup/

Section iconCompany Overview

Phone number
SIC Code
7361 - Employment Agencies
NAICS Code
5613 - Employment Services
Founded
1999
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

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

Section iconFunding & Financials

  • $25M$50M

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

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