Nüßing GmbH operates under the InSiTech brand as a security industry company specializing in the development and implementation of intelligent security technologies. Its portfolio encompasses mechanical and electronic locking systems, access control systems, burglar alarm systems, video surveillance, building automation, and protective fog systems. The solutions are designed for private property owners as well as commercial and public clients from the industrial, clinical, authority, banking, and housing sectors. By combining consulting, technical planning, and programming, the company delivers comprehensive security concepts for both new constructions and existing buildings. Operating from six locations across Germany, the firm is part of the nationwide Nüßing Group, which is headquartered in Verl in northeastern North Rhine-Westphalia. Nüßing GmbH is a family business.
Handel mit Baubeschlägen, Bauelementen, Werkzeugen, Montagematerial, Arbeitsschutzausrüstung, Sicherheitstechnik, Alarm- und Videosystemen und die Erbringung von Wartungs- und Montageleistungen sowie die Beteiligung an anderen Unternehmen gleicher oder ähnlicher Branche.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
This AI summary draws on the company's website, retrieved 8 May 2026. See our Data Quality Notice. Report error?
Source: German Commercial Register (Handelsregister) Gütersloh Local Court, HRB 2549 (as of 30 October 2026)
| Name | Type | City |
|---|---|---|
| Carola Nüßing | Geschäftsführer(in) | Werther (Westf.) |
| Yvonne Nüßing-Ploghaus | Geschäftsführer(in) | Borgholzhausen |
Source: German Commercial Register (Handelsregister) Gütersloh Local Court, HRB 2549 (as of 30 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 21.12.2023 | Registered Seat Change | Nach Änderung der Geschäftsanschrift |
| 21.09.2016 | Registered Seat Change | Nach Änderung der jeweiligen |
| 19.02.2016 | Registered Seat Change | Nach Änderung der Firmenanschrift der |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 05.03.2015 | Capital Increase | +25.000 € | 175.000 € |
| 11.10.2010 | Capital Increase | +124.300 € | 150.000 € |
| 01.09.2004 | Share Capital Set | — | 25.700 € |
| Date | Contract | Value |
|---|---|---|
| 18.3.2026 | Supplier · Stadt Bad Lippspringe | — |
Source: German Commercial Register (Handelsregister) Gütersloh Local Court, HRB 2549 (as of 30 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €163,144,589 | €1,344,194 | €67,005,896 | — |
| 2023 | €176,566,333 | €2,774,106 | €72,850,532 | — |
| 2022 | €187,286,429 | €4,368,285 | €70,879,681 | — |
| 2021 | €169,718,533 | €3,025,020 | €64,026,525 | — |
| 2020 | €153,030,789 | €3,013,044 | €59,095,681 | — |
| 2019 | €143,199,787 | €3,083,915 | €57,752,870 | — |
| 2018 | €136,122,645 | €2,788,064 | €55,704,468 | — |
| 2017 | €131,079,928 | €4,108,434 | €52,506,815 | — |
| 2016 | €127,769,572 | €4,071,517 | €52,996,700 | — |
| 2015 | €114,806,048 | €3,049,230 | €45,015,681 | — |
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Source: German Commercial Register (Handelsregister) Gütersloh Local Court, HRB 2549 (as of 30 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €28,789,788 | 19.1% |
| Material Costs | €118,275,858 | 78.5% |
| Depreciation | €3,341,478 | 2.2% |
| Interest & Similar | €239,875 | 0.2% |
