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International Chemical Investors Group

International Chemical Investors Group

Frankfurt, Germany·Founded 2004··ic-investors.com

International Chemical Investors Group (ICIG) is a privately held evergreen industrial holding founded in 2004 by Dr. Achim Riemann and Patrick Schnitzer that acquires chemical and pharmaceutical businesses, mostly carve-outs from majors, and develops them long term under platforms such as WeylChem (fine chemicals), Vynova (chlorovinyls), Benvic (compounds), HCS Group (hydrocarbons), Catexel (care chemicals) and Stockhausen (superabsorbents). The group is headed by ICI Holding SE in Frankfurt (HRB 132939), generates sales in excess of EUR 2.8bn with around 5,950 employees across 45+ plants, and publishes no capital or AuM figure. Its CordenPharma CDMO platform was sold to Astorg in 2022 for more than EUR 2.5bn.

AUM
–
Funds
1
vintages 2004
Portfolio
24
Exits
3

International Chemical Investors Group is a Frankfurt buyout firm with 24 active companies and 3 exits.

Key takeaways
  • ·Average hold across 3 realized deals: 9 years.
  • ·Top sector focus: Industrials (70% of portfolio).

Sector breakdown

27 companies
Industrials
19 · 70%
AgTech
1 · 4%
Pharma
1 · 4%

Geography breakdown

13 geographies
Germany
11 · 41%
France
3 · 11%
US
2 · 7%
Belgium
2 · 7%
Norway
1 · 4%
Denmark
1 · 4%
Switzerland
1 · 4%
Sweden
1 · 4%

Key facts

HQFrankfurt, Germany
Founded2004
Employees5,950+

Recent exits

CordenPharma

International Chemical Investors Group sold CordenPharma to Astorg in 2022 after 16 years.

International Chemical Investors Group exited Miteni in 2018 after 9 years.

International Chemical Investors Group sold Calaire Chimie to Axyntis Group in 2013 after 1 year.

Partners

Christoph SprengerCEO
Dr. Achim RiemannCo-Founder, Chairman of the Supervisory Board
Patrick SchnitzerCo-Founder

Coverage notes

1 fund tracked, 27 portfolio companies (24 active · 3 realized). Verified weekly from public filings and deal announcements.

Investment team

Senior partners. Hand-checked from public filings and the firm's own site.

Christoph Sprenger
CEO
Dr. Achim Riemann
Co-Founder, Chairman of the Supervisory Board
Patrick Schnitzer
Co-Founder

Funds & portfolio

Every fund International Chemical Investors Group has raised, with its portfolio companies. Hand-checked from public filings.

1 fund
ICIG EvergreenActive
Evergreen200424 assets3 exits

Unrealized

24 held
CompanyEntry
Ascribe Bioscience
AgTech · US
2025
B'zeos
Industrials · Norway
2024
Benvic
Industrials · France
2022
Catexel
Industrials · Germany
2023
Cellugy
Industrials · Denmark
2024
Corden BioChem
Industrials · Germany
2016
Envirocat Alkoxides
Industrials · Germany
2023
GeneusChem
Switzerland
–
HCS Group
Industrials · Germany
2023
Inbiose Health Ingredients
Belgium
2026
inprotec
Industrials · Germany
2022
Ironic Biotech
Sweden
–
Licit Solutions
Industrials · Germany
2025
Mevaldi
Industrials · Netherlands
2025
MSSA Metaux Speciaux
Industrials · France
2023
Octet Scientific
Industrials · US
2025
Plastformance
Industrials · Germany
2023
Sachtleben Functional Additives
Industrials · Germany
2026
Stockhausen
Industrials · Germany
2024
Vasant Chemicals
India
2024
ViAqua Therapeutics
Israel
–
Vynova Advanced Organics
Belgium and Netherlands
2024
Vynova Group
Industrials · Belgium
2015
WeylChem
Industrials · Germany
2005

Realized

3 exits
CompanyEntryExitTypeBuyerMOIC
Calaire Chimie
Industrials · France
20122013Trade SaleAxyntis Group–
CordenPharma
Pharma · Germany
20062022SecondaryAstorg–
Miteni
Industrials · Italy
20092018–––

Frequently asked questions

What investment strategy does International Chemical Investors Group focus on?
International Chemical Investors Group focuses on Buyout strategies in the private equity space.
How many portfolio companies does International Chemical Investors Group have?
International Chemical Investors Group has 24 active portfolio companies and 3 completed exits and 1 fund tracked on GP Intel.
Where is International Chemical Investors Group headquartered?
International Chemical Investors Group is headquartered in Frankfurt, Germany.
When was International Chemical Investors Group founded?
International Chemical Investors Group was founded in 2004.
What sectors does International Chemical Investors Group invest in?
International Chemical Investors Group invests across Industrials, Healthcare.
What are International Chemical Investors Group's recent exits?
Recent realized exits by International Chemical Investors Group include: CordenPharma (2022) to Astorg; Calaire Chimie (2013) to Axyntis Group.
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Last updated July 2026 · Sourced from public filings · Report an issue