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.
Key facts
- Current owner
- Atlantic Grupa d.d. reported
- Owned since
- Previous owner
- None recorded
- 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 →
Other brands owned by Atlantic Grupa in food
Latest news about Boom Box
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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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