Tanker Brewery
An Estonian brewery founded in Tallinn in 2014 and known for innovative beers including Sauna Session, flavored with birch whisks.
Last updated August 25, 2026
Overview
Tanker Brewery is an Estonian brewing company established in Tallinn in 2014. It developed within Estonia’s modern craft-beer movement, combining conventional beer styles with locally distinctive ingredients and concepts. Its best-known product is Sauna Session, a beer flavored with birch whisks, an ingredient associated with the Estonian and broader Baltic sauna tradition. The product gives Tanker a recognizable local identity while also illustrating the brewery’s interest in experimental and culturally specific brewing. A major operational turning point came in 2019, when Tanker opened a new factory in Jüri, south of Tallinn. The facility was nearly twice the size of the brewery’s previous factory. Its larger capacity supported production growth and enabled Tanker to package beer in cans rather than relying exclusively on glass bottles. The move represented a transition from a smaller production operation toward a more scalable brewery with improved packaging flexibility and the ability to serve a wider market. Tanker’s business extends beyond the manufacture and sale of its own beer. The company is also responsible for distributing a number of international brands in Estonia, including Heineken and Pepsi. This makes Tanker both a domestic beer producer and a beverage-distribution operator, with activities spanning its own branded portfolio and third-party products. In 2021, Tanker Brewery was acquired by Danish brewing and beverage group Royal Unibrew, which also owns Finland’s Hartwall. The acquisition connected Tanker to a larger Nordic and Baltic commercial network. According to Tanker chief executive Jaanis Tammela, the cooperation was expected to support further growth, entry into additional markets, and broader product availability. The transaction therefore marked another stage in Tanker’s development: from an independent Estonian brewery with a distinctive craft-oriented identity to a brand operating within an international beverage group. The available reference material does not identify a complete product catalog, detailed ownership structure beyond Royal Unibrew’s acquisition, financial results, or a current executive roster. Tanker’s documented identity is centered on Estonian brewing, distinctive local flavor concepts, expanded production at Jüri, distribution activity, and integration into Royal Unibrew’s wider portfolio.
History
Tanker Brewery was founded in Tallinn, Estonia, in 2014. It emerged as part of the country’s contemporary brewing sector and built its identity through beers that combine recognizable styles with unusual or locally meaningful ingredients. The brewery’s most prominent documented product is Sauna Session, a beer flavored with birch whisks. Birch and sauna culture are strongly associated with Estonia and the wider Baltic and Nordic region, giving the beer a distinctive cultural point of reference. The company’s development included both brewing and distribution activities. In addition to producing its own beer, Tanker became responsible for distributing several international beverage brands in Estonia, including Heineken and Pepsi. This dual role broadened its commercial footprint beyond a single proprietary beer portfolio and placed it within the wider beverage supply chain. In 2019, Tanker expanded its production infrastructure by opening a new factory in Jüri, a town south of Tallinn. The new site was nearly twice as large as the existing factory. Its increased capacity allowed the brewery to move into can packaging, in addition to its earlier use of glass bottles. The investment indicated that Tanker was preparing for greater production volume and more flexible distribution, while retaining its own branded brewing activities. A further structural change occurred in 2021, when Royal Unibrew, a Danish brewing and beverage company, acquired Tanker Brewery. Royal Unibrew also owns Hartwall in Finland, giving Tanker a connection to a broader Nordic and Baltic operating network. Tanker chief executive Jaanis Tammela stated that cooperation with the new owner could promote growth, expansion into new markets, and broader availability of Tanker products. The acquisition is the latest major event documented in the available reference material. No reliable information in that material establishes a separate founder, detailed financial performance, a complete range of products, or changes to Tanker’s post-acquisition leadership. The documented history therefore traces a clear progression from a Tallinn-founded Estonian brewery in 2014, through production expansion and can packaging at Jüri in 2019, to ownership by Royal Unibrew in 2021.
- 2021Acquisition by Royal Unibrew
Danish brewing and beverage group Royal Unibrew acquires Tanker Brewery, linking the Estonian producer to a larger Nordic and Baltic group.
- 2019New factory opens in Jüri
The brewery opens a new factory in Jüri, south of Tallinn. The facility is nearly twice the size of the former factory and enables beer to be packaged in cans.
- 2014Tanker Brewery is founded in Tallinn
Tanker Brewery is established in Tallinn, Estonia, beginning its operations as an Estonian beer producer.
Products and positioning
An Estonian brewery positioned around distinctive, locally resonant beer concepts, specialty flavors, and expanding production and distribution capabilities within the Royal Unibrew group.
Sauna SessionSpecialty beer
Sauna Session is Tanker Brewery’s best-selling documented product. It is a beer flavored with birch whisks, drawing on the sauna tradition common in Estonia and neighboring Nordic and Baltic cultures. The ingredient gives the beer a distinctive local character and differentiates it from more conventional beer offerings.
Flagship businesses
- Sauna Session
Brand decisions
- 2021Royal Unibrew acquisitionM&A
Tanker Brewery was operating as an Estonian producer and distributor with ambitions for further growth and wider market access.
What changed. Royal Unibrew acquired Tanker Brewery and incorporated it into its broader Nordic and Baltic beverage interests.
Aftermath. Tanker’s leadership said the relationship could enable further growth, expansion into new markets, and greater product availability.
- 2019Expansion into a larger Jüri production facilityStrategy
Tanker’s existing factory had become smaller than the company’s developing production needs.
What changed. The brewery opened a new facility in Jüri that was nearly twice the size of its previous factory and added the ability to package beer in cans.
Aftermath. The expansion increased production capacity and broadened packaging options, supporting wider distribution.
Leadership
| Name | Title | Tenure |
|---|---|---|
| Jaanis Tammela | Chief Executive Officer | — |
Recent events
- 2021Royal Unibrew acquires Tanker Brewery
Danish beverage group Royal Unibrew acquired Tanker Brewery. Tanker CEO Jaanis Tammela described the cooperation as an opportunity for growth, expansion into new markets, and wider product availability.
M&A - 2019Tanker Brewery opens a larger factory in Jüri
Tanker Brewery opened a new factory in Jüri, south of Tallinn. The facility was nearly twice the size of the previous factory and enabled the brewery to package beer in cans.
OtherProduct generation
Sources
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