Insights

Growth potential Atrium operates in a high-growth startup ecosystem with a platform and expert network to accelerate startup growth across legal, fundraising, HR & culture, and hiring. This presents opportunities to position complementary services such as compliance tooling, interim leadership, or expanded HRIS integrations to scale with their customer base.

Strategic backing Backed by leading VC firms and trusted by over 400 startups, Atrium has a strong credibility and a ready-made reference pool. This suggests plenty of cross-sell and partner-channel opportunities with portfolio companies and potential co-marketing activities to reach similar high-growth startups.

Tech-enabled delivery Atrium combines a technology platform with a network of providers, indicating a priority on scalable, tech-first services. This opens doors for selling integrations, API-based offerings, or platform-embedded solutions that streamline onboarding, billing, or case management for startups.

Funding momentum Public disclosures show Atrium Therapeutics, not Atrium Software, but the shared name and investor activity signal a high-growth, capital-intensive environment. For B2B sales, there is potential to target adjacent fintech, legaltech, or life sciences customers seeking scalable, well-funded professional services platforms.

Market fit signals Atrium’s focus on helping startups with legal, fundraising, HR, and hiring aligns with common pain points in early-stage ventures. This creates opportunities to position products or services that enhance compliance, fundraising readiness, talent acquisition, and culture-building as add-ons or premium bundles.

Atrium Tech Stack

Atrium uses 8 technology products and services including WordPress, Vue.js, jQuery, and more. Explore Atrium's tech stack below.

  • WordPress
    Content Management System
  • Vue.js
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Pardot
    Marketing
  • Google Tag Manager
    Tag Management
  • Bootstrap
    UI Frameworks
  • Google Analytics
    Web Analytics
  • HTML5
    Web Tools And Plugins

Media & News

Atrium's Email Address Formats

Atrium uses at least 1 format(s):
Atrium Email FormatsExamplePercentage
First.Last@atrium.coJohn.Doe@atrium.co
80%
FLast@atrium.coJDoe@atrium.co
10%
First@atrium.coJohn@atrium.co
6%
Last.F@atrium.coDoe.J@atrium.co
4%

Frequently Asked Questions

What is Atrium's phone number?

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You can contact Atrium'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 Atrium's stock symbol?

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Atrium is a publicly traded company; the company's stock symbol is RNA.

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

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Atrium's official website is atrium.co and has social profiles on LinkedInCrunchbase.

What is Atrium's NAICS code?

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Atrium's NAICS code is 5112 - Software Publishers.

How many employees does Atrium have currently?

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As of July 2026, Atrium has approximately 35 employees across 5 continents, including North AmericaEuropeSouth America. Key team members include Emergency Room Nurse: D. P.. Explore Atrium's employee directory with LeadIQ.

What industry does Atrium belong to?

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Atrium operates in the Software Development industry.

What technology does Atrium use?

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Atrium's tech stack includes WordPressVue.jsjQueryPardotGoogle Tag ManagerBootstrapGoogle AnalyticsHTML5.

What is Atrium's email format?

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Atrium's email format typically follows the pattern of First.Last@atrium.co. Find more Atrium email formats with LeadIQ.

How much funding has Atrium raised to date?

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As of July 2026, Atrium has raised $76M in funding. The last funding round occurred on Sep 10, 2018 for $65M.

When was Atrium founded?

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Atrium was founded in 2017.
Atrium logo

Atrium

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.

Section iconCompany Overview

Phone number
Website
atrium.co
Stock Symbol
RNA
NAICS Code
5112 - Software Publishers
Founded
2017
Employees
11-50

Section iconFunding & Financials

  • $76M

    Atrium has raised a total of $76M of funding over 5 rounds. Their latest funding round was raised on Sep 10, 2018 in the amount of $65Mas a series_b.

  • $10M$25M

    Atrium's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $76M

    Atrium has raised a total of $76M of funding over 5 rounds. Their latest funding round was raised on Sep 10, 2018 in the amount of $65Mas a series_b.

  • $10M$25M

    Atrium's revenue is estimated to be in the range of $10M$25M

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