How many email patterns does Atrium use?

Atrium uses 13 known email patterns.

What domain does Atrium use for work emails?

Atrium uses atrium.co for work email addresses.

Most Common Email Formats at Atrium

Atrium's most common email format is First.Last@atrium.co (ex. John.Doe@atrium.co), used for 80% of atrium.co addresses. Atrium uses 4 email patterns.

@atrium.co

4 patterns

Format	Example	Share of atrium.co
First.Last@atrium.coMost common	John.Doe@atrium.co	80%
FLast@atrium.co	JDoe@atrium.co	10%
First@atrium.co	John@atrium.co	6%
Last.F@atrium.co	Doe.J@atrium.co	4%

Need a specific person's email?

Browse Atrium's employee directory (about 36 employees) and reveal verified emails free.

Frequently Asked Questions

What does Atrium do?

Atrium was founded in 2017 and operates in the Software Development industry, alongside similar companies like BambooHR, Namely and Rippling. You can visit atrium.co or contact Atrium's headquarters by phone at

+1-415-991-****

. Explore Atrium's company overview page for more information.

What is Atrium's email address format?

Atrium's email format typically follows the pattern of First.Last@atrium.co; this email format is used 80% of the time. Other contacts within LeadIQ's database had email formats such as FLast@atrium.co and First@atrium.co. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Atrium have currently?

Atrium has approximately 36 employees as of November 2026. Key team members to contact include Emergency Room Nurse: D. P. For more team information and contact data, explore Atrium's employee directory with LeadIQ.

Atrium Email Format

Q: What is Atrium's email address format?

Atrium's email format typically follows the pattern of ${fn}.${ln}. Other email formats include ${fi}${ln} and ${fn}.

Software DevelopmentCalifornia, United States11-50 Employees

Atrium is a software development company based in San Francisco, California, that provides a technology platform and a network of expert providers to support startups. It aims to accelerate startup growth by offering advisory services in areas such as legal, fundraising, HR and culture, and hiring, helping founders focus on core strengths. Co-founded in 2017 by Justin Kan, Atrium has backing from prominent investors including Andreessen Horowitz, Y Combinator, and General Catalyst, among others. The company serves more than 400 startups and employs between 11 and 50 people. Its technology stack includes WordPress, React, jQuery UI, Pardot, Google Tag Manager, Bootstrap, Google Analytics, and HTML5.

Most common format

First.Last@atrium.co

Example: John.Doe@atrium.co

4 patterns. See all formats

Verify a Atrium email address

Free with a LeadIQ account. No credit card.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust LeadIQ to help them build pipeline confidently.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

Most Common Email Formats at Atrium

@atrium.co

Need a specific person's email?

Frequently Asked Questions

What does Atrium do?

What is Atrium's email address format?

How many employees does Atrium have currently?

Atrium Email Format

Ready to create more pipeline?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.