| Novafos Spildevand Allerød A/S CVR 32093280 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Vand Frederikssund A/S CVR 32260837 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Vand Rudersdal A/S CVR 32940048 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| HMN GASSALG A/S CVR 26918480 | BoardBoard of Directors | 2014 – 2015 | — | Dissolved |
| Nature Energy Gastankstationer ApS CVR 26918626 | OtherUnofficial title | 2010 – 2014 | — | Dissolved |
| Novafos Spildevand Frederikssund A/S CVR 32260934 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| HMN Naturgas A/S CVR 27061885 | BoardBoard of Directors | 2014 – 2016 | — | Dissolved |
| NOVAFOS VAND HØRSHOLM A/S CVR 32447104 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Spildevand Rudersdal A/S CVR 41055383 | BoardBoard of Directors | 2019 – 2026 | — | Active |
| Novafos Spildevand Hørsholm A/S CVR 41042958 | BoardBoard of Directors | 2019 – 2026 | — | Active |
| Novafos Spildevand Egedal A/S CVR 32145914 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Vand Gladsaxe A/S CVR 31885582 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Vand Egedal A/S CVR 32145841 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| DANVA Dansk Vand- og Spildevandsforening CVR 29031215 | BoardBoard of Directors | 2018 – 2022 | — | Active |
| DANSK RESTPRODUKTHÅNDTERING A.M.B.A. CVR 17642936 | OtherDeputy | 2018 – 2023 | — | Active |
| NOVAFOS A/S CVR 31884993 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| A/S STRANDVEJS GASVÆRKET CVR 65318415 | OtherUnofficial title | 2010 – 2014 | — | Dissolved |
| Novafos Vand Sjælsø A/S CVR 33052782 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Spildevand Gentofte A/S CVR 31885337 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Spildevand Furesø A/S CVR 32478085 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Vand Gentofte A/S CVR 31885299 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| NOVAFOS Holding A/S CVR 38302051 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| Novafos Spildevand Gladsaxe A/S CVR 31885647 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| IBM DANMARK ApS CVR 65305216 | BoardBoard of Directors | 2008 – 2009 | — | Active |