Mash
Mash is a Copenhagen-based high-end steakhouse chain operating in Denmark and Germany.
Last updated August 31, 2026
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Overview
Mash, short for “Modern American Steak House,” is a high-end restaurant brand founded in Copenhagen in 2009. The chain is centered on an American-inspired steakhouse format, combining premium beef, an extensive wine and drinks program, and contemporary urban dining environments. Its first restaurant opened on Bredgade in central Copenhagen, establishing the brand in the Danish capital before the concept expanded to additional Danish locations and international markets. The brand’s development has been associated with Copenhagen Concepts, the restaurant group that also operates Le Sommelier and Umami. Jesper Boelskifte is identified as the group’s chief executive, while Mikkel Glahn and Erik Gemal are among the owners. French chef Francis Cardenau was one of Mash’s founding partners and sold his ownership stake in 2017. The available reference material does not establish a separate publicly listed parent company or a public ticker. Mash pursued international expansion during the 2010s. In 2012, it opened a London restaurant on Brewer Street in Soho, in a building owned by Crown Estates. The London location attracted significant attention in the local restaurant scene and received the Restaurant of the Year award at the 2013 London Lifestyle Awards. The London operation ultimately closed in 2019. Mash later entered Germany, opening its first German restaurant on Große Elbstrasse in Hamburg in August 2015. The chain subsequently maintained locations in Hamburg and Düsseldorf. Its Danish estate has included several differently positioned venues, including the original Mash City in Copenhagen, a restaurant at Copenhagen Airport, Mash Penthouse at the Tivoli Hotel and Congress Center, and locations in Charlottenlund, Rungsted, Aarhus, and Odense. These sites indicate a strategy of placing the brand in central urban districts, hospitality properties, transport hubs, and established leisure or marina destinations. Mash’s core proposition is a premium steakhouse experience rather than a mass-market fast-food or casual-dining offer. The brand name explicitly signals its connection to the American steakhouse tradition, while its Copenhagen origins and multiple site formats give it a distinctly Nordic restaurant-group context. The reference material does not provide a complete menu, specific beef suppliers, financial figures, current location count, or a precise account of the chain’s current management beyond the named Copenhagen Concepts executives. Accordingly, the brand’s current scale and detailed operating performance remain partially undocumented.
History
Mash is a restaurant chain whose name is an abbreviation of “Modern American Steak House.” It was established in Copenhagen, Denmark, and opened its first restaurant on Bredgade in 2009. The founding concept combined the recognizable format of an American steakhouse with the setting, service style, and restaurant-group infrastructure of Copenhagen’s upscale dining scene. The business became part of Copenhagen Concepts, a group associated with other Copenhagen restaurants including Le Sommelier and Umami. During its early development, Mash was associated with chef Francis Cardenau, who was one of the founding partners. The ownership structure also included Mikkel Glahn and Erik Gemal, while Jesper Boelskifte served as chief executive of Copenhagen Concepts. Cardenau later sold his stake in 2017, marking a change in the founding ownership group without indicating that the Mash brand itself was discontinued. After establishing its first Copenhagen location, Mash expanded within Denmark. Its restaurant portfolio came to include Mash City in Bredgade, Mash Airport at Copenhagen Airport, Mash Penthouse at the Tivoli Hotel and Congress Center, Mash Skovriderkroen in Charlottenlund, Mash Rungsted at Rungsted Marina, and venues in Aarhus and Odense. The range of locations shows the brand’s use of several site types, from central-city restaurants to airport, hotel, marina, and regional-city venues. Mash began its first major international expansion in 2012, when it opened on Brewer Street in London’s Soho district. The site was located in a building owned by Crown Estates. The London restaurant quickly gained attention from the local dining press. In 2013, it won Restaurant of the Year at the London Lifestyle Awards, and contemporary coverage characterized the team behind the restaurant as having made a strong impact on London’s steakhouse market. Despite this recognition, the London site was eventually closed in 2019, leaving the United Kingdom outside the brand’s continuing operating markets described in the reference material. The chain entered Germany in August 2015 with its first restaurant on Große Elbstrasse in Hamburg. Its German presence later included restaurants in Hamburg and Düsseldorf. This expansion extended Mash’s Copenhagen-developed steakhouse model into another Northern European market while keeping the brand’s focus on premium beef and destination dining. The available sources describe Mash primarily as a high-end steakhouse chain rather than as a packaged-food or retail brand. Its offer is therefore centered on restaurant-prepared steaks, accompanying dishes, beverages, and hospitality. The references do not supply a detailed menu, standardized product specifications, ownership percentages, financial results, employee figures, or a confirmed official website URL. The chain is described as active, with operations in Denmark and Germany, but its exact current restaurant count and present-day trading performance require further verification.
- 2019
London location closes
[1]Mash ends its London operation after several years in Soho.
- 2017
Founding partner exits ownership
[1]Francis Cardenau sells his share of the company after serving as one of Mash’s founding partners.
- 2015
First German restaurant opens in Hamburg
[1]Mash enters Germany with a restaurant on Große Elbstrasse in Hamburg.
- 2013
London restaurant wins Restaurant of the Year
[1]The London location receives the Restaurant of the Year award at the London Lifestyle Awards.
- 2012
International expansion to London
[1]Mash opens a restaurant on Brewer Street in London’s Soho neighborhood.
- 2009
First Mash restaurant opens in Copenhagen
[1]The first Mash steakhouse opens on Bredgade in Copenhagen, establishing the brand’s Danish base.
Products and positioning
A high-end, American-inspired steakhouse brand with Danish roots, focused on premium beef, polished hospitality, and prominent urban or destination restaurant locations.
Restaurant dining · 2009
Premium steakhouse menu
Mash’s central offering is a high-end steakhouse meal built around premium beef and steak preparations. The format is presented as an interpretation of the modern American steakhouse, supported by side dishes, sauces, beverages, and full-service hospitality. The available reference does not identify specific cuts, suppliers, cooking standards, or menu prices.
Beverages · 2009
Wine and beverage service
Wine and other beverages form part of the restaurant experience accompanying Mash’s steakhouse food offer. The source material confirms the brand’s restaurant and hospitality positioning but does not provide a complete beverage list or describe individual labels.
Brand decisions
2017
Founding partner sells ownership stakeM&ABackground
Francis Cardenau was one of Mash’s founding partners and participated in the company’s early ownership group.
Action taken
Cardenau sold his share of the company.
Aftermath
The reference material does not specify the buyer, transaction value, or subsequent ownership percentages.
2015
Expansion into GermanyStrategyBackground
Mash continued its international development after entering the United Kingdom.
Action taken
The brand opened its first German restaurant on Große Elbstrasse in Hamburg in August 2015.
Aftermath
The German portfolio later included restaurants in Hamburg and Düsseldorf.
2012
Entry into the London marketStrategyBackground
After establishing its first restaurant in Copenhagen, Mash pursued international growth through a Soho location in London.
Action taken
The chain opened a restaurant on Brewer Street in a Crown Estates-owned building.
Aftermath
The restaurant received a London Lifestyle Awards Restaurant of the Year honor in 2013 but closed in 2019.
Recent events
- 2019
Mash closes its London restaurant[1]
Other
The brand ended its London operation after operating in Soho for several years.
- 2017
Francis Cardenau sells his stake in Mash[1]
Leadership change
Francis Cardenau, described as one of Mash’s founding partners, sold his share of the company.
- 2015
Mash opens its first German restaurant in Hamburg[1]
Other
Mash entered Germany with a restaurant on Große Elbstrasse in Hamburg.
- 2013
Mash receives Restaurant of the Year recognition at the London Lifestyle Awards[1]
Other
The London Mash restaurant won the Restaurant of the Year award at the 2013 London Lifestyle Awards, increasing the brand’s visibility in the London restaurant market.
- 2012
Mash opens its first London restaurant in Soho[1]
Other
Mash expanded beyond Denmark with a restaurant on Brewer Street in London’s Soho district.
Sources1 sources
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