Insights

Recent Acquisition Atrium is poised for integration with CRC Group following its recent acquisition, presenting an opportunity to offer innovative insurance solutions, technology upgrades, and tailored risk management services to enhance operational efficiency and expand market reach.

Market Diversification With a diversified portfolio across property, casualty, and specialty insurance segments, Atrium demonstrates resilience and growth potential, creating opportunities to cross-sell complementary products and strategic partnerships within these markets.

Technology Adoption Atrium's utilization of advanced digital tools including web analytics, PWAs, and automation partnerships indicates openness to technology-driven solutions, making it a receptive candidate for insurtech integrations and process automation services.

Leadership Changes Recent hires of senior professionals in US general liability and marine segments highlight strategic expansion plans, opening doors for targeted solutions in market-specific underwriting, claims management, and specialized risk assessment services.

Financial Growth With revenue between 10 and 50 million dollars and a robust reputation at Lloyd's, Atrium presents opportunities for premium growth strategies, including innovative coverage options, digital distribution channels, and client engagement platforms to boost profitability.

Atrium Underwriters Ltd Tech Stack

Atrium Underwriters Ltd uses 8 technology products and services including Open Graph, SQL, Apple iCloud Mail, and more. Explore Atrium Underwriters Ltd's tech stack below.

  • Open Graph
    Content Management System
  • SQL
    Database
  • Apple iCloud Mail
    Email
  • Angular
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • HSTS
    Security
  • Google Tag Manager
    Tag Management
  • X-Content-Type-Options
    Web & Portal Technology

Atrium Underwriters Ltd's Email Address Formats

Atrium Underwriters Ltd uses at least 1 format(s):
Atrium Underwriters Ltd Email FormatsExamplePercentage
First.Last@atrium-uw.comJohn.Doe@atrium-uw.com
84%
First.Middle@atrium-uw.comJohn.Michael@atrium-uw.com
9%
Last@atrium-uw.comDoe@atrium-uw.com
6%
First.Middle.Last@atrium-uw.comJohn.Michael.Doe@atrium-uw.com
1%

Frequently Asked Questions

Where is Atrium Underwriters Ltd's headquarters located?

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Atrium Underwriters Ltd's main headquarters is located at 8 Bishopsgate, Level 20 London, EC2N4BQ, GB. The company has employees across 3 continents, including EuropeNorth AmericaAsia.

What is Atrium Underwriters Ltd's phone number?

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You can contact Atrium Underwriters Ltd'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 Underwriters Ltd's stock symbol?

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Atrium Underwriters Ltd is a publicly traded company; the company's stock symbol is 0MK2.L.

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

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Atrium Underwriters Ltd's official website is atrium-uw.com and has social profiles on LinkedIn.

How much revenue does Atrium Underwriters Ltd generate?

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As of October 2025, Atrium Underwriters Ltd's annual revenue is estimated to be $10M.

What is Atrium Underwriters Ltd's SIC code NAICS code?

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Atrium Underwriters Ltd's SIC code is 6411 - Insurance Agents, Brokers, and Service NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does Atrium Underwriters Ltd have currently?

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As of October 2025, Atrium Underwriters Ltd has approximately 238 employees across 3 continents, including EuropeNorth AmericaAsia. Key team members include Chief Strategy Officer (cso): H. M.Chief Operating Officer: J. T. F.Chief Risk Officer: S. S.. Explore Atrium Underwriters Ltd's employee directory with LeadIQ.

What industry does Atrium Underwriters Ltd belong to?

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Atrium Underwriters Ltd operates in the Insurance industry.

What technology does Atrium Underwriters Ltd use?

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Atrium Underwriters Ltd's tech stack includes Open GraphSQLApple iCloud MailAngularjQueryHSTSGoogle Tag ManagerX-Content-Type-Options.

What is Atrium Underwriters Ltd's email format?

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

When was Atrium Underwriters Ltd founded?

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Atrium Underwriters Ltd was founded in 1932.
Atrium Underwriters Ltd

Atrium Underwriters Ltd

InsuranceUnited Kingdom201-500 Employees

Atrium is a leading (re)insurance group at Lloyd's, the world's specialist insurance market. With a proud history going back to the 1930s, we protect our clients around the world from the risks they face. 
Atrium is ranked as one of the top-performing Lloyd’s Syndicates of the past decade, measured by high profitability and low volatility, achieving substantial growth whilst generating value for the Group.
Syndicate 609, managed by Atrium Underwriters Limited, writes a diversified insurance and reinsurance portfolio across the Property, Casualty, and Specialty business groups.

Section iconCompany Overview

Headquarters
8 Bishopsgate, Level 20 London, EC2N4BQ, GB
Phone number
SIC Code
6411 - Insurance Agents, Brokers, and Service
Stock Symbol
0MK2.L
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1932
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    Atrium Underwriters Ltd's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Atrium Underwriters Ltd's revenue is estimated to be in the range of $50M$100M

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