Who owns Boom Box?
Boom Box is owned by Atlantic Grupa (Croatia, ZSE: ATGR), which has owned the brand since 2021.[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Annual Report of Atlantic Grupa for 2025, Atlantic Grupa d.d. Last checked .
Key facts
- Current owner
- Atlantic Grupa d.d. reported
- Owned since
- Owner HQ
- 🇭🇷 Croatia, Zagreb
- Origin
- 🇭🇷 Croatia
- Founded
- 2021
- Category
- Food › Breakfast cereal › Hot cereal & oats
- Parent ticker
- ZSE: ATGR
- Last verified
- · 1 sources
About Boom Box
Boom Box is an oat-based brand Atlantic Grupa launched in 2021 and describes as the first fully vegan brand in its portfolio, selling porridge, granola, biscuits and plant-based drinks with no added sugar. It reached second place in pouch smoothies in its first year in that category and ranked among the top three healthy food brands in Croatia, Serbia and Slovenia in 2025, and in 2026 Atlantic built a new Healthy Bites business unit around it.
Ownership timeline of Boom Box
- 2021 – present Atlantic Grupa [1] reported
Where Boom Box sits in Atlantic Grupa
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Atlantic Grupa ownership tree →
See the full Atlantic Grupa brand portfolio (13) →
Other brands owned by Atlantic Grupa
Atlantic Grupa controls 13 brands on Brandtree, 6 of them in food.
Also in food
- Argeta (1963)
- Bananica (1938)
- Najlepše želje
- Smoki (1972)
- Štark
Other brands in hot cereal & oats, and who owns them
The 16 brands in hot cereal & oats on Brandtree belong to 13 owners. The largest is Midsona, with 2.
About the owner: Atlantic Grupa
Atlantic Grupa is a publicly listed company headquartered in Zagreb, Croatia, founded in 1991. Brandtree records 13 brands under its control, and it is listed as ZSE: ATGR.
Atlantic Grupa began in 1991 as Atlantic Trade, a Zagreb distributor of consumer goods for principals such as Wrigley, Mars and Ferrero, and became a manufacturer when it bought Cedevita in 2001. Its largest acquisition, Droga Kolinska in 2010, brought a portfolio of regional brands; it has since sold its sports food, cosmetics, supplements and baby food businesses, and in August 2025 the Montana sandwich brand. In 2025 it had sales of EUR 1,190.0 million from 13 plants in five countries, still distributes other companies' brands alongside its own, and is 50.2 per cent owned by Myberg, a company wholly owned by Emil Tedeschi.
Atlantic Grupa: full profile, brands and acquisition history →
🇭🇷 Boom Box and other Croatian brands
Brandtree records a controlling owner for 30 brands that began in Croatia. 3 of them (10%) are now controlled by a company headquartered in another country; Boom Box is not one of them.
- Arivera Fruit — Fortenova Group 🇭🇷
- Bajadera — Kraš 🇭🇷
- Dolcela — Podravka 🇭🇷
- Croatia Airlines — Croatia Airlines 🇭🇷
- INA — MOL Group 🇭🇺
- Jadrolinija — Jadrolinija 🇭🇷
Frequently asked questions
Who is the parent company of Boom Box?
The parent company of Boom Box is Atlantic Grupa, a publicly listed company headquartered in Croatia.
Is Boom Box Croatian?
Yes. Boom Box originated in Croatia in 2021 and its owner, Atlantic Grupa, is also headquartered in Croatia.
Since when has Atlantic Grupa owned Boom Box?
Atlantic Grupa has owned Boom Box since 2021.
Is Boom Box still owned by Atlantic Grupa?
Yes. As of 16 September 2026, Boom Box is still owned by Atlantic Grupa. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Annual Report of Atlantic Grupa for 2025 — Atlantic Grupa d.d., Annual report; retrieved 16 September 2026.
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