# Klöckner & Co SE

Group identifier: 529900CQ31CN6GV5LL52 (LEI of the parent company)  
Ultimate owner: Klöckner & Co SE (LEI 529900CQ31CN6GV5LL52, GLEIF, class A) – Reason given in GLEIF: no known controlling person  
Basis of membership: GLEIF relationships – Source [A]: GLEIF – Level 2 (relacje „kto jest właścicielem kogo”), rekord LEI 529900CQ31CN6GV5LL52 – https://search.gleif.org/#/record/529900CQ31CN6GV5LL52  
Data as of: 2026-10-18, version 2.22  
Page: https://www.ai-waw.com/en/companies/groups/klockner-co-se

## At a glance

Klöckner & Co SE – 2 companies in the register with 2 plants in 1 country (most: Germany 2). Metals of the plants: aluminium. Main links of the chain: products – 2 plants. The parent company Klöckner & Co SE has no higher parent in GLEIF. Reason given in GLEIF: no known controlling person.

## Value-chain coverage

| Link | Plants | Stages |
|---|---:|---|
| Raw materials | 0 | – |
| Smelting and refining | 0 | – |
| Processing | 0 | – |
| Products | 2 | distribution and service centres 2 |
| Recycling | 0 | – |
| End uses | 0 | – |

## Plants by country

| Country | Plants |
|---|---:|
| Germany | 2 |

## Full capacity by metal and stage

Full capacity of operating single-metal plants – separately for each stage and unit; no sum across stages (a smelter and an extrusion press process the same metal) and no ownership shares in plants (next stage). Multi-metal plants – in the totals table below.

No capacity of operating single-metal plants with a unit.

## Group structure

- **Klöckner & Co SE** (corporate group; 529900CQ31CN6GV5LL52)
  - [Klöckner & Co SE](https://www.ai-waw.com/en/companies/klockner-co-se.md) (parent company; Germany; LEI 529900CQ31CN6GV5LL52; Business register HRB 109982; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
    - Klöckner & Co SE (Duisburg, Germany) – plant; distribution and service centres; operating; class B
  - [Becker Aluminium-Service GmbH](https://www.ai-waw.com/en/companies/becker-aluminium-service-gmbh.md) (company; Germany; LEI 5299004OJPTXIGK91C16; Business register HRB 107518; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
    - Bönen – centrum serwisowe (Bönen, Germany) – plant; distribution and service centres; operating; class B

## Capacity and output of the group companies’ plants

Totals cover the full capacity (and output) of operating plants owned by the group companies, without taking shares in jointly owned plants into account; capacity attributed to the group by share will be added in the next stage. Only values in the same unit and for the same metal are added up.

The plants of the group companies have no capacity or output with a unit in the register.

## Flow analyses

“Metal flows” analyses in which plants of the group companies appear; below – analyses covering the metal and country of the group plants.

- [Aluminium Flows in Germany](https://www.ai-waw.com/en/metal-flows/aluminium-flows-germany.md) – covers the metal and country of the group plants
- [EU-27 Aluminium Flows](https://www.ai-waw.com/en/metal-flows/eu-aluminium-flow-analysis.md) – covers the metal and country of the group plants

## Similar groups

Similarity: common metals (weight 0.5), chain links (0.3) and plant countries (0.2) – Jaccard index; only groups with at least one common metal.

- [Tubex Packaging GmbH](https://www.ai-waw.com/en/companies/groups/tubex-packaging-gmbh.md) – in common: aluminium; products; Germany
- [SIG](https://www.ai-waw.com/en/companies/groups/sig.md) – in common: aluminium; products; Germany
- [Ardagh Group S.A.](https://www.ai-waw.com/en/companies/groups/ardagh-group-s-a.md) – in common: aluminium; products; Germany
- [Amcor](https://www.ai-waw.com/en/companies/groups/amcor.md) – in common: aluminium; products; Germany

## Data quality

- Source class of plants: A 0, B 2, C 0
- Plants verified at source: 2 / 2 (2026-10-08 – 2026-10-08)
- Ownership relationships of companies: GLEIF relationship (class A): 2 of 2; group as recorded: 0 of 2; companies with an LEI: 2 of 2
- Basis of membership: GLEIF relationships (class A); Reason given in GLEIF: no known controlling person

The group card (page and Markdown) is open to text and data mining with attribution; the JSON data – like the other JSON data of the register – is reserved as a compiled database. Relationships from GLEIF: CC0 1.0.