Konzernbeteiligung mit einem Kapitalanteil von mindestens 20 Prozent:
| Name der Gesellschaft | Sitz | Kapitalanteil | |||
| 2invest AG (bis 25.03.2021 firmierend unter 4basebio AG) | Heidelberg | 39% | |||
| 4basebio Verwaltungs GmbH i.L. | Heidelberg | 100% | |||
| 4basebio UK Societas (bis 31.12.2020 firmierend unter 4basebio SE) | Cambridge (GB) | 45% | |||
| 4basebio UK Ltd. (vormals 4basebio Ltd) | Cambridge (GB) | 100% | |||
| 4basebio Discovery Limited | Cambridge (GB) | 100% | |||
| 4basebio S.L.U. | Madrid (ES) | 100% | |||
| ABC Beteiligungen AG | Heidelberg | 100% | |||
| Heidelberger Beteiligungsholding AG | Heidelberg | 91% | |||
| action press AG (bis 21.09.2020 firmierend unter Blitz F19-862 AG) | Frankfurt am Main | 97% | |||
| AEE Gold AG (bis 07.01.2021 firmierend unter AEE Ahaus-Enscheder AG) | Ahaus | 88% | |||
| Alpha Cleantec Aktiengesellschaft | Heidelberg | 99% | |||
| Alpha Cleantec AG | Zug (CH) | 100% | |||
| Altech Advanced Materials AG | Frankfurt am Main | 66% | |||
| Altech Industries Germany GmbH | Dresden | 25% | |||
| Balaton Agro Invest AG | Heidelberg | 100% | |||
| Balaton Agro Investment plc | Addis Ababa (ET) | 99,7% | |||
| BALATON ESTATE Ltd (bis 09.03.2020 firmierend unter Strawtec Estate LTD) | Kigali (RW) | 100% | |||
| BCT bio cleantec AG | Heidelberg | 100% | |||
| Beta Systems Software AG | Berlin | 72% | |||
| Beta Systems DCI Software AG | Berlin | 100% | |||
| AUCONET GmbH | Berlin | 100% | |||
| ASDIS Solutions GmbH | Berlin | 100% | |||
| AUCONET Austria GmbH | Wien (AT) | 100% | |||
| Beta Systems IT Operations GmbH | Berlin | 50% | |||
| HORIZONT Software GmbH | München | 100% | |||
| HORIZONT IT Services CZ s.r.o. | Budweis (CZ) | 100% | |||
| SI Software Innovation GmbH | Neustadt an der Weinstraße | 100% | |||
| Beta Systems IAM Software AG | Berlin | 100% | |||
| Beta Systems IT Operations GmbH | Berlin | 50% | |||
| Beta Systems EDV-Software Ges.m.b.H | Wien (AT) | 100% | |||
| Beta Systems Software AG | Kloten (CH) | 100% | |||
| Beta Systems Software Espana SL | Madrid (ES) | 100% | |||
| Beta Systems Software France SARL | Ivry sur Seine (FR) | 100% | |||
| Beta Systems Software Ltd. | Chobham (GB) | 100% | |||
| Beta Systems Software of North America, Inc. | McLean (US) | 100% | |||
| Beta Systems Software of Canada Inc. | Calgary (CA) | 100% | |||
| Beta Systems Software SPRL | Louvaine-la-Neuve (BE) | 100% | |||
| Beta Systems Software SRL | Bollate (IT) | 100% | |||
| Betann Systems AB | Täby (SE) | 100% | |||
| Categis GmbH | Berlin | 100% | |||
| Categis Software Private Ltd. | Bangalore (IN) | 99,99% | |||
| Codelab Software GmbH (bis 03.01.2020 firmierend unter Lindentor 1001. V V GmbH) | Berlin | 80% | |||
| Codelab Sp. z o.o. (bis 20.02.2020 firmierend unter infinIT Codelab Sp. z o.o.) (31.12.2018) | Stettin (PL) | 100% | |||
| LYNET Kommunikation AG | Lübeck | 100% | |||
| PROXESS Holding GmbH | Berlin | 85% | |||
| PROXESS GmbH | Rietheim-Weilheim | 100% | |||
| capFlow AG | München | 56% | |||
| CARUS AG | Heidelberg | 95% | |||
| Carus Grundstücksgesellschaft Am Taubenfeld AG | Heidelberg | 100% | |||
| ConBrio Beteiligungen AG | Frankfurt am Main | 100% | |||
| EUROPIN GmbH | Frankfurt am Main | 72% | |||
| EUROPIN s.r.o. | Trenčianske Stankovce (SK) | 88% | |||
| EUROPIN Germany GmbH | Frankfurt am Main | 100% | |||
| EUROPIN s.r.o. | Trenčianske Stankovce (SK) | 12% | |||
| wSwipe mobile solutions GmbH | Wien (AT) | 100% | |||
| CornerstoneCapital Beteiligungen GmbH i.L. | Frankfurt am Main | 100% | |||
| CornerstoneCapital II AG & Co. KG | Heidelberg | 100% | |||
| ELTEC Elektronik AG | Mainz | 52% | |||
| Prime Security GmbH | Mainz | 25% | |||
| CornerstoneCapital Verwaltungs AG | Heidelberg | 100% | |||
| Deutsche Balaton Biotech AG | Heidelberg | 100% | |||
| Deutsche Balaton Erste Schiffsverwaltungs GmbH | Haren – Ems | 100% | |||
| Deutsche Balaton Immobilien I AG | Heidelberg | 100% | |||
| DIO Deutsche Immobilien Opportunitäten AG | Frankfurt am Main | 49,99% | |||
| Fidelitas Deutsche Industrie Holding AG | Heidelberg | 100% | |||
| Goldrooster AG i.L. | Berlin | 36% | |||
| HART-Technik Kft. | Pomaz (HU) | 100% | |||
| HW Verwaltungs AG | Halberstadt | 98,62% | |||
| hydroWEB d.o.o Beograd i.L. | Belgrad (RS) | 100% | |||
| hydroWEB GmbH | Halberstadt | 100% | |||
| Hyrican Informationssysteme AG | Kindelbrück | 45% | |||
| KlickOwn Ag (bis 29.03.2021 firmierend unter Investunity AG) | Heidelberg | 65% | |||
| Latonba 2.0 AG | Heidelberg | 100% | |||
| Latonba AG | Heidelberg | 100% | |||
| MARNA Beteiligungen AG | Hamburg | 73% | |||
| MARE Containerschiff Verwaltungs GmbH | Hamburg | 100% | |||
| Ming Le Sports AG | Heidelberg | 76% | |||
| Gui Xiang Industry Co. Ltd. | Hong Kong (HK) | 100% | |||
| Hubei Guige Paper Co. Ltd. | Huanggang City (CN) | 100% | |||
| Quanzhou Guige Paper Co. | Quanzhou City (CN) | 100% | |||
| Mingle (International) Limited | Hongkong (HK) | 100% | |||
| Mingle (China) Co., Ltd. | Jinjiang (CN) | 100% | |||
| Mistral Media AG | Frankfurt am Main | 81% | |||
| Kalme GmbH | Frankfurt am Main | 100% | |||
| MS „Active“ Schiffahrts GmbH & Co. KG | Haren – Ems | 99,2% | |||
| MTM-Holding AG | Ittigen (CH) | 97% | |||
| Nordic SSW 1000 AG & Co.KG i.L. | Hamburg | 51% | |||
| Nordic SSW 1000 Verwaltungs AG | Hamburg | 100% | |||
| OOC CTV Verwaltungs GmbH | Hamburg | 100% | |||
| Prisma Equity AG | Heidelberg | 100% | |||
| PWI-PURE SYSTEM AG | Heidelberg | 60% | |||
| Scintec Aktiengesellschaft | Rottenburg am Neckar | 30% | |||
| SPARTA AG | Hamburg | 54% | |||
| SPARTA Invest AG | Hamburg | 100% | |||
| SPK Süddeutsche Privatkapital AG | Heidelberg | 80% | |||
| TES Electronic Solutions GmbH | Leinfelden-Echterdingen | 37% | |||
| Tabalon Mobile Technologies AG | Heidelberg | 100% | |||
| The Grounds Real Estate Development AG | Berlin | 21% | |||
| Web Financial Group SA | Madrid (ES) | 25% | |||
(Stand: 31. Dezember 2020)
Daneben hält die Deutsche Balaton AG im Konzern wechselnd weitere Beteiligungen auch unter 20% an verschiedenen Unternehmen.