Insights

Strong Market Reputation Thommessen is a well-established leader in the Norwegian legal sector with a long history since 1856 and recognition as Norway's Firm of the Year for eleven consecutive years, indicating a premium brand that values quality and excellence.

International Presence With offices in Oslo, Bergen, Stavanger, and London, Thommessen serves both domestic and international clients, creating opportunities for cross-border legal service collaborations and international technology solutions.

Growth in Cybersecurity Services The recent launch of Thommessen CyberHub, collaborating with global cybersecurity experts, signals a strategic shift toward cybersecurity and digital risk management, presenting prospects for tech vendors specializing in cyberassurance, security software, and attack emulation solutions.

Recognition and Top Rankings Being top-ranked in 16 categories by Legal 500 demonstrates the firm's specialization areas and high client satisfaction, opening doors for specialized legal tech tools, legal automation platforms, and compliance solutions to enhance service delivery.

Innovative Talent Acquisition Recent strategic hires like Hedvig Moe and Kristine, along with partnerships such as Green Ducklings Ltd., highlight Thommessen's focus on expert talent and innovative collaborations, providing opportunities for HR tech, professional development platforms, and partnership management solutions.

Thommessen Tech Stack

Thommessen uses 8 technology products and services including Facebook Pixel, Akamai, Open Graph, and more. Explore Thommessen's tech stack below.

Facebook Pixel

Analytics

Akamai

Content Delivery Network

Open Graph

Content Management System

Craft CMS

Content Management System

Mailjet

Video.js

Javascript Libraries

DocuSign

Miscellaneous

X-Content-Type-Options

Web & Portal Technology

Thommessen Email Formats	Example	Percentage
First.Last@thommessen.no	John.Doe@thommessen.no	71%
Last@thommessen.no	Doe@thommessen.no	17%
First.Middle.Last@thommessen.no	John.Michael.Doe@thommessen.no	7%
First@thommessen.no	John@thommessen.no	5%

Thommessen Email Formats

Example

Percentage

First.Last@thommessen.no

John.Doe@thommessen.no

71%

Last@thommessen.no

Doe@thommessen.no

17%

First.Middle.Last@thommessen.no

John.Michael.Doe@thommessen.no

First@thommessen.no

John@thommessen.no

Frequently Asked Questions

Where is Thommessen's headquarters located?

Thommessen's main headquarters is located at 38 Ruseløkkveien Oslo, Oslo 0251 Norway. The company has employees across 2 continents, including EuropeNorth America.

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.

What is Thommessen's SIC code NAICS code?

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

How many employees does Thommessen have currently?

As of March 2026, Thommessen has approximately 480 employees across 2 continents, including EuropeNorth America. Key team members include Head Of Hr: A. T. B.Digitaliseringssjef/Cdo: T. M.Partner: A. M.. 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 Facebook PixelAkamaiOpen GraphCraft CMSMailjetVideo.jsDocuSignX-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 480 employees.

Q: What technology does Thommessen use?

Thommessen's tech stack includes Facebook Pixel, jQuery UI, Microsoft 365, Mailjet, Akamai mPulse.

Law PracticeOslo, Norway201-500 Employees

Thommessen is one of Norway’s leading commercial law firms, with offices in Oslo, Bergen, Stavanger and London. Since our foundation in 1856, we have been closely involved in most of the defining developments in Norwegian business. Our clients are Norwegian and international businesses, in both the private and public sector. We assist businesses that recognize the value of a full-service, modern law firm with the experience, capacity, and culture required to handle complex matters with confidence, efficiency, and the highest quality.

For nearly 170 years, we have played a role in shaping Norway. With a long history and strong reputation, our focus remains firmly on the future. Together with our clients, we will continue to contribute to a stronger and more sustainable business community.

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Thommessen Tech Stack

Media & News

Thommessen hired Hedvig Moe as Specialist Counsel on May 1st '23.

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