Insights

Top-tier syndicate Atrium operates as a leading Lloyd’s syndicate with a diversified Property, Casualty, and Specialty portfolio, signaling strong capacity for layered reinsurance partnerships and collaborative product development opportunities.

Global client protection With a long-standing history and global client footprint, Atrium presents a compelling case for partnerships targeting multinational insureds seeking stable and profitable reinsurance solutions, especially in high-volatility regions.

Financial strength signals Strong performance metrics reported over the past decade, evidenced by profitability and growth with low volatility, suggest reliability for counterparties seeking long-term reinsurance arrangements and risk-sharing programs.

Tech-enabled risk management Utilization of digital tools and platforms (SharePoint, RiskSmart, analytics and web technologies) indicates openness to modern risk engineering, data collaboration, and portal-based service models that can be extended to clients and brokers.

Strategic partnerships Recent high-profile collaborations in related healthcare and cardiovascular spaces (illustrative of broad partner ecosystem engagement) imply potential to explore new co-development or wordings with strategic allies and capital partners.

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 August 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 August 2026, Atrium has approximately 265 employees across 3 continents, including Europe, North America and Asia. Key team members include Chief Strategy Officer (cso): H. M., Chief Operating Officer: J. T. F. and Chief Risk Officer: S. S. 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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