Insights

Strong Market Position Atrium Underwriters Ltd is a top-performing Lloyd's syndicate with a decade of consistent profitability and low volatility, demonstrating stability and a solid track record that can appeal to clients seeking reliable insurance partners.

Expansion and Leadership Recent leadership promotions, including the appointment of Gabrielle Griffith as Head of Motor and new hires like Emma Croucher and Kate Gordge, indicate ongoing strategic growth and product diversification in core insurance segments, presenting opportunities for targeted insurance solutions.

Recent Acquisition The planned acquisition by CRC Group suggests a phase of expansion, potentially increasing the company's market reach and product offerings, which could open doors for partners offering innovative insurance technologies or services aligned with growth strategies.

Digital and Tech Use Atrium's use of diverse tech stacks including SQL, Angular, and Google Tag Manager indicates an emphasis on digital capabilities and data-driven decision-making, offering opportunities for SaaS or technology vendors targeting insurance industry modernization.

Diversified Portfolio With a diversified insurance and reinsurance portfolio across property, casualty, and specialty lines, Atrium is positioned to explore collaborations with niche providers or risk management firms to expand its product offerings and enhance underwriting capabilities.

Atrium Tech Stack

Atrium uses 8 technology products and services including Open Graph, SQL, Angular, and more. Explore Atrium's tech stack below.

  • Open Graph
    Content Management System
  • SQL
    Database
  • Angular
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • Google Tag Manager
    Tag Management
  • Bootstrap
    UI Frameworks
  • X-Content-Type-Options
    Web & Portal Technology

Atrium's Email Address Formats

Atrium uses at least 1 format(s):
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
6%
First.Middle.Last@atrium-uw.comJohn.Michael.Doe@atrium-uw.com
1%

Frequently Asked Questions

Where is Atrium's headquarters located?

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Atrium's main headquarters is located at 8 Bishopsgate, Level. The company has employees across 3 continents, including EuropeNorth AmericaAsia.

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 0MK2.L.

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 February 2026, Atrium's annual revenue is estimated to be $10M.

What is Atrium's SIC code NAICS code?

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

How many employees does Atrium have currently?

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As of February 2026, Atrium has approximately 246 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'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 Open GraphSQLAngularjQueryModernizrGoogle Tag ManagerBootstrapX-Content-Type-Options.

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

InsuranceEngland, United 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
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's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

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

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