Keller Tersch GmbH provides landscaping services such as earthworks, planting and seeding, sports- and playground construction, green roofs, maintenance as well as related civil engineering and cleaning and winter services. The company focuses on the construction of outdoor facilities and sports fields; from the Schoenebeck site it operates almost exclusively in sports-field construction (new construction, regeneration and renovation, maintenance and ancillary services) under the brand name “KT Sport”. The market is served from the Wolfsburg and Schoenebeck locations; clients are predominantly public contractors (municipalities, housing companies, cooperatives) as well as industry, sports clubs and private builders. The company has a long tradition since 1961, 64 years of history, employs over 100 people (98 on average during the financial year) and maintains continuity in management and site supervision. Keller Tersch GmbH is a family business. The company is a small company under § 267 (1) HGB and is therefore not required to publish a profit-and-loss statement.
Der Garten-, Landschaft- und Sportplatzbau, der landschaftsgärtnerische Tiefbau und allgemeine Tiefbau sowie die Ausführung von Pflege-, Reinigungs- und Winterdienstarbeiten.
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) Stendal Local Court, HRB 108092 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Uwe-Jens Keller-Tersch | Geschäftsführer(in) | Wolfsburg |
| Oliver Tersch | Geschäftsführer(in) | Wolfsburg |
Source: German Commercial Register (Handelsregister) Stendal Local Court, HRB 108092 (as of 31 October 2026)
| Date | Contract | Value |
|---|---|---|
| 30.9.2026 | Supplier · Stadt Braunschweig Fachbereich Bauordnung und Zentrale Vergabestelle | — |
| 5.8.2026 | Supplier · Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 1.200.288 € |
| 10.7.2026 | GS Stöckheim - Außenanlagen Tiefhof_MS Supplier · Stadt Braunschweig Fachbereich Bauordnung und Zentrale Vergabestelle | — |
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€9.8M2 | €438,241 | €6,329,164 | — |
| 2023 | Rohergebnis€8.7M2 | €129,391 | €6,107,772 | — |
| 2022 | Rohergebnis€8.4M2 | €339,828 | €6,288,711 | — |
| 2021 | Rohergebnis€8.4M2 | €570,425 | €5,733,773 | — |
| 2020 | Rohergebnis€7.8M2 | €398,074 | €5,223,238 | — |
| 2019 | small company1 | €255,493 | €4,509,839 | — |
| 2018 | small company1 | €138,375 | €4,646,237 | — |
| 2017 | small company1 | -€13,367 | €4,245,884 | — |
| 2016 | small company1 | €93,055 | €4,093,842 | — |
| 2015 | small company1 | €88,199 | €3,708,503 | — |
1 Small companies are not required to publish a profit-and-loss statement (§ 326 (1) HGB). The figure shown is the statutory ceiling under § 267 HGB where the balance-sheet total makes it binding — a company may exceed at most one of the three size criteria.
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) Stendal Local Court, HRB 108092 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €5,752,563 | 87.3% |
| Depreciation | €789,999 | 12.0% |
| Interest & Similar | €48,455 | 0.7% |
