What is Thommessen's NAICS code?

Thommessen's NAICS code is 54111 (Offices of Lawyers).

Insights

Strategic Growth Norway’s leading commercial law firm with multiple offices (Oslo, Bergen, Stavanger, London) and a long-standing client base positions Thommessen for cross-border advisory opportunities in corporate, finance, and regulatory matters.

Cybersecurity Expansion Thommessen launched CyberHub and collaborates with international cybersecurity experts, signaling a strong capability and demand in cyber risk, compliance, and incident response services for clients facing evolving threats.

Top Tier Recognition Recognized as top ranked in 16 Legal 500 categories, indicating credibility and market demand; potential to upsell premium advisory services, niche practice areas, and managed services to existing clients.

Leadership & Expertise Recent partner appointment of Hedvig Moe, with national security leadership background, highlights depth in security, compliance, and risk mitigation—opportunities to offer specialized regulatory and governance solutions.

Technology Enablement Adoption of modern tech stack (Microsoft 365, DocuSign, Cloudflare, Atlassian, imgix) supports scalable service delivery and digital collaboration, enabling packaged tech-enabled legal services for clients seeking efficiency and secure workflows.

Thommessen Tech Stack

Thommessen uses 8 technology products and services including Atlassian, imgix, Cloudflare, and more. Explore Thommessen's tech stack below.

Atlassian

Application Development & Management

imgix

Content Delivery Network

Cloudflare

Content Management System

Microsoft PowerPoint

Editors

Microsoft 365

DocuSign

Miscellaneous

Cisco

Network Hardware

X-Content-Type-Options

Web & Portal Technology

Thommessen Email Formats	Example	Percentage
First.Last@thommessen.no	John.Doe@thommessen.no	78%
Last@thommessen.no	Doe@thommessen.no	15%
First.Middle.Last@thommessen.no	John.Michael.Doe@thommessen.no	4%
First@thommessen.no	John@thommessen.no	3%

Thommessen Email Formats

Example

Percentage

First.Last@thommessen.no

John.Doe@thommessen.no

78%

Last@thommessen.no

Doe@thommessen.no

15%

First.Middle.Last@thommessen.no

John.Michael.Doe@thommessen.no

First@thommessen.no

John@thommessen.no

Frequently Asked Questions

What is Thommessen's phone number?

You can contact Thommessen's main corporate office by phone at

+47-23-11-1****

. 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 Thommessen's official website and social media links?

Thommessen's official website is thommessen.no and has social profiles on LinkedIn.

How much revenue does Thommessen generate?

As of October 2026, Thommessen's annual revenue is estimated to be $1M - $10M.

What is Thommessen's SIC code and NAICS code?

Thommessen's SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

How many employees does Thommessen have currently?

As of October 2026, Thommessen has approximately 475 employees across 2 continents, including Europe and North America. Key team members include Cfo: A. M. O., Head Of Marketing And Communications: M. K. F. and Head Of Hr: A. T. B. Explore Thommessen's employee directory with LeadIQ.

What industry does Thommessen belong to?

Thommessen operates in the Law Practice industry.

What technology does Thommessen use?

Thommessen's tech stack includes Atlassian, imgix, Cloudflare, Microsoft PowerPoint, Microsoft 365, DocuSign, Cisco and X-Content-Type-Options.

What is Thommessen's email format?

Thommessen's email format typically follows the pattern of First.Last@thommessen.no. Find more Thommessen email formats with LeadIQ.

When was Thommessen founded?

Thommessen was founded in 1856.

Thommessen

Q: What is Thommessen's official website and social media links?

Thommessen's official website is thommessen.no. Thommessen has social profiles on LinkedIn.

Q: How many employees does Thommessen have currently?

Thommessen has approximately 475 employees.

Q: What technology does Thommessen use?

Thommessen's tech stack includes Video.js, Cisco, Google Fonts API, Craft CMS, Mailjet.

Law PracticeOslo, Norway201-500 Employees

Thommessen is a prominent commercial law firm in Norway that serves both domestic and international clients across private and public sectors. It provides a full-service, modern legal offering designed to manage complex matters with confidence, efficiency, and high quality, drawing on extensive experience, capacity, and a collaborative culture. Founded in 1856 and based in Oslo, the firm also maintains offices in Bergen, Stavanger, and London.

Over its long history, Thommessen has been closely involved in shaping Norwegian business and continues to emphasize a future-oriented approach and sustainable growth within the business community. A notable recent development is the 2021 launch of Thommessen CyberHub, a one-stop shop for cyberassurance services built with international cybersecurity expertise.

Insights

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Thommessen Tech Stack

Media & News

Thommessen appoints Hedvig Moe as partner from Oct 1st '24 after her May 2023 arrival as Specialist Counsel, where she leads the firm's national security work.

Thommessen recognized as top ranked in 16 categories in the Legal 500.

Green Ducklings Ltd. partners with Thommessen.

Thommessen launches Thommessen CyberHub.

Thommessen hired Kristine on Jan 1st '20.

Thommessen recognized as Firm of the Year.

Thommessen's Email Address Formats