IS Software GmbH, based in Regensburg, develops and sells an ERP solution for the comprehensive handling of energy-sector processes for small and medium energy and water companies in Germany with up to 100,000 end customers. Its product portfolio includes the main solution WinEV® and the cooperative-tailored WinEV®eG and, since 2022, the Joules modules contributed by the acquired eins+null GmbH & Co. KG as a modular cloud SaaS offering. In addition, the company provides consulting, training, maintenance and process outsourcing (BPO) services and operates customer-deployed products via its 100% subsidiary iS APS GmbH in a leased data centre in Nuremberg. Since February 2022 IS Software GmbH is part of Kraftwerk Software Holding GmbH and is subject to a control and profit transfer agreement with iS APS GmbH (minimum term until 31 December 2025).
Entwicklung und der Verkauf von Standardsoftware und die Erbringung von damit zusammenhängenden Dienstleistungen, wie Beratung, Schulung und Service.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Regensburg Local Court, HRB 7542 (as of 24 September 2026)
| Date | Event Type | Event |
|---|---|---|
| 04.01.2023 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 21.11.2019 | Business Address Change | Donaustaufer Straße 115, 93059 Regensburg |
| 17.01.2013 | Business Address Registered | Gewerbepark A 35, 93059 Regensburg |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 04.01.2023 | Capital Increase | +4.399 € | 29.399 € |
| 02.12.2003 | Share Capital Set | — | 25.000 € |
| Date | Contract | Value |
|---|---|---|
| 21.10.2026 | Supplier · Stadtwerke MüllheimStaufen GmbH | — |
Source: German Commercial Register (Handelsregister) Regensburg Local Court, HRB 7542 (as of 24 September 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €16,310,267 | €1,389,941 | €14,547,959 | — |
| 2023 | €13,188,452 | -€591,114 | €14,470,533 | — |
| 2022 | Rohergebnis€8.7M2 | -€483,958 | €14,955,178 | — |
| 2021 | — | €345,064 | €5,424,540 | — |
| 2020 | — | — | €4,622,502 | — |
| 2019 | — | — | €3,471,343 | — |
| 2018 | — | — | €2,972,282 | — |
| 2017 | — | — | €3,247,504 | — |
| 2016 | — | — | €2,092,003 | — |
| 2015 | — | — | €417,655 | — |
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Regensburg Local Court, HRB 7542 (as of 24 September 2026)
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| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €8,977,475 | 85.0% |
| Material Costs | €1,144,943 | 10.8% |
| Depreciation | €405,840 | 3.8% |
| Interest & Similar | €37,356 | 0.4% |
