Insights

Market Leadership Atrium Underwriters Ltd is a top-performing Lloyd's syndicate with a strong track record of profitability and low volatility, indicating a stable and attractive target for partnerships and advanced risk management solutions.

Growth & Expansion Recent acquisitions and leadership promotions, including the planned acquisition by CRC Group and key hires like Head of Motor and US General Liability, showcase ongoing growth opportunities and potential for expanded product lines.

Technological Foundation With a modern tech stack including SQL, Angular, and Google Tag Manager, Atrium demonstrates a commitment to leveraging technology, opening opportunities for advanced data analytics, insurtech integrations, and digital transformation partnerships.

Market Diversification Operating across property, casualty, and specialty insurance segments, Atrium's diversified portfolio broadens opportunities for clients seeking comprehensive risk solutions across multiple sectors.

Financial Stability Revenue estimates between 50 and 100 million dollars, combined with a stable market position, suggest a reliable customer base and potential for upselling or additional value-added insurance services.

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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

Media & News

Atrium Underwriters Ltd's Email Address Formats

Atrium Underwriters Ltd uses at least 1 format(s):

Atrium Underwriters Ltd Email Formats	Example	Percentage
First.Last@atrium-uw.com	John.Doe@atrium-uw.com	85%
First.Middle@atrium-uw.com	John.Michael@atrium-uw.com	8%
Last@atrium-uw.com	Doe@atrium-uw.com	6%
First.Middle.Last@atrium-uw.com	John.Michael.Doe@atrium-uw.com	1%

Frequently Asked Questions

Where is Atrium Underwriters Ltd's headquarters located?

Atrium Underwriters Ltd's main headquarters is located at 8 Bishopsgate Level London, England ec2n 4bq United Kingdom. The company has employees across 3 continents, including EuropeNorth AmericaAsia.

What is Atrium Underwriters Ltd's phone number?

You can contact Atrium Underwriters Ltd's main corporate office by phone at

+44-442073****

. 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?

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?

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

How much revenue does Atrium Underwriters Ltd generate?

As of March 2026, Atrium Underwriters Ltd's annual revenue is estimated to be $10M.

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

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?

As of March 2026, Atrium Underwriters Ltd has approximately 244 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?

Atrium Underwriters Ltd operates in the Insurance industry.

What technology does Atrium Underwriters Ltd use?

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

What is Atrium Underwriters Ltd's email format?

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?

Atrium Underwriters Ltd was founded in 1932.

Atrium Underwriters Ltd

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

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

Q: How many employees does Atrium Underwriters Ltd have currently?

Atrium Underwriters Ltd has approximately 244 employees.

Q: What technology does Atrium Underwriters Ltd use?

Atrium Underwriters Ltd's tech stack includes SQL, Duck Creek Platform, Google Tag Manager, Bootstrap, Video.js.

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 and Syndicate 2026 write a diversified insurance and reinsurance portfolio across the Property, Casualty, and Specialty business groups.