Who owns Calgon?
Calgon is owned by Reckitt (the United Kingdom, LSE: RKT).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Key facts
- Current owner
- Reckitt Benckiser Group plc reported
- Owned since
- Not recorded
- Previous owner
- None recorded
- Owner HQ
- 🇬🇧 United Kingdom, Slough
- Origin
- 🇺🇸 United States
- Founded
- 1933
- Category
- Home care › Laundry › Fabric softener & stain removal
- Parent ticker
- LSE: RKT
- Last verified
- · 1 sources
About Calgon
Calgon is a water softener added to washing machines to prevent limescale, sold on the argument that hard water damages machines and reduces detergent performance. The brand dates to 1933, and its advertising in hard-water markets has run essentially unchanged for decades.
Ownership timeline of Calgon
Where Calgon sits in Reckitt
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Reckitt ownership tree →
Other brands owned by Reckitt in home care
Latest news about Calgon
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Frequently asked questions
Who is the parent company of Calgon?
The parent company of Calgon is Reckitt, a publicly listed company headquartered in the United Kingdom.
Is Calgon American or British?
Calgon originated in the United States in 1933, but it is owned today by Reckitt, which is headquartered in the United Kingdom. So Calgon is an American-origin brand under British ownership.
Is Calgon still owned by Reckitt?
Yes. As of 6 September 2026, Calgon is still owned by Reckitt. 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] Reckitt Benckiser Group plc Annual Report and Accounts 2025 — Reckitt Benckiser Group plc, Annual report, published 5 March 2026; retrieved 6 September 2026.
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