Insights

Diversified Portfolio Atrium operates Syndicate 609 and Syndicate 2026 with a diversified insurance and reinsurance portfolio across Property, Casualty, and Specialty. Sales opportunities exist in cross-selling tailored coverage packages to mid-size to large clients seeking comprehensive risk transfer and multi-line capacity.

Lloyd’s Prestige As a leading Lloyd’s Syndicate with a strong historical track record of profitability and low volatility, Atrium can leverage its reputation to target reinsurers and insureds seeking stability and access to Lloyd’s market capacity, especially for complex or catastrophe-exposed risks.

Global Reach Atrium protects clients worldwide, presenting opportunities to engage multinational corporates requiring coordinated international risk transfer programs, captive support, and consistent underwriting standards across jurisdictions.

Tech Enablement Utilization of modern tools such as Microsoft Azure, ServiceNow, SharePoint, and DocuSign indicates a digital-ready collaboration and workflow environment, which can be highlighted to enterprise clients prioritizing efficiency, automated underwriting, and streamlined policy administration.

Growth and Stability Atrium’s top-performing status and recent growth trajectory suggest a value proposition around scalable capacity, favorable pricing stability, and long-term partnerships with brokers and insureds seeking reliable risk transfer partners in an inflationary or volatile market.

Similar companies to Atrium

Atrium Tech Stack

Atrium uses 8 technology products and services including Microsoft SharePoint, WordPress, Microsoft SQL Server, and more. Explore Atrium's tech stack below.

Media & News

Atrium's Email Address Formats

Atrium uses at least 3 email formats:
Atrium Email FormatsExamplePercentage
First.Last@atrium-uw.comJohn.Doe@atrium-uw.com
85%
First.Middle@atrium-uw.comJohn.Michael@atrium-uw.com
8%
Last@atrium-uw.comDoe@atrium-uw.com
7%

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-uw.com and has social profiles on LinkedIn.

How much revenue does Atrium generate?

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As of October 2026, Atrium's annual revenue is estimated to be $100M - $250M.

What is Atrium's NAICS code?

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Atrium's NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does Atrium have currently?

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As of October 2026, Atrium has approximately 276 employees across 3 continents, including Europe, North America and Asia. Key team members include Cco - Group Head Of Controls: D. A., Chief Strategy Officer (cso): H. M. and Chief Executive: J. F. Explore Atrium's employee directory with LeadIQ.

What industry does Atrium belong to?

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Atrium operates in the Insurance industry.

What technology does Atrium use?

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Atrium's tech stack includes Microsoft SharePoint, WordPress, Microsoft SQL Server, Microsoft 365, DocuSign, ServiceNow, Microsoft Azure and Microsoft Teams.

What is Atrium's email format?

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

When was Atrium founded?

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Atrium was founded in 1932.
Atrium logo

Atrium

InsuranceEngland, United Kingdom201-500 Employees

Atrium is a London-based insurance and reinsurance group operating at Lloyd's, the world's specialist insurance market. With a history dating back to the 1930s, the company provides risk protection to clients around the world. It has been ranked among Lloyd’s Syndicates with high profitability and low volatility over the past decade, achieving substantial growth and generating value for the Group. Syndicate 609 and Syndicate 2026 manage a diversified portfolio across Property, Casualty, and Specialty lines. The company is located at 8 Bishopsgate Level, London, England EC2N 4BQ, United Kingdom and employs approximately 201-500 people. More information is available on the company website at https://atrium-uw.com.

Section iconCompany Overview

Phone number
Stock Symbol
RNA
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1932
Employees
201-500

Section iconFunding & Financials

  • $100M - $250M

    Atrium's revenue is estimated to be in the range of $100M - $250M

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