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Quality management

Our company was awarded the ISO 9001 certificate by DQS GmbH in 2011 and the certificate was renewed in 2021 and 2024.

High customer orientation, clear visions and concrete goals are key success factors on the global market. Successful certification is an important step for any company.
Auditors from DQS examined the company's processes in detail and scrutinised, among other things, the scopes of valuation, auctioning and sale of mobile fixed and current assets as well as the sale and disposal of real estate. With the ISO 9001 certification by DQS, the company documents the orientation of its management system towards continuous performance improvement and the consideration of the interests of all interested parties.
Ziegler Verwaltungs GmbH & Co. Treuhand KG is an internationally active, owner-managed service provider based in Gronau. The company was founded in 1984 by Mr Dipl.-Ing. Günter Ziegler founded the company in 1984. In 1995, the company was renamed Ziegler Verwaltungs GmbH & Co. Treuhand KG with Mr Jürgen Oliver Ziegler as managing director.
Our core competence, based on more than 25 years of experience, is the precise and complete inventory and valuation of the mobile fixed and current assets of of companies in all sectors and the preparation of market-driven appraisals with going concern and break-up values, as well as, in the event of business closure or insolvency In the event of business closure or insolvency, the economically optimal realisation of all business and office equipment in the course of international online auctions or private sales.
With a particularly broad range of industry expertise for the best services and outstanding results, even in specialised areas, we are valuable partners for our clients.
What counts for us is what pays off for our customers. By consistently focussing on their benefits, we have developed a range of services and a quality of support quality of support that have already made many well-known banks, insolvency administrators, lawyers, leasing companies and private clients regular customers.
Our guiding principle ‘Everything in the interests of our clients’ means that our partners can rely on unreserved loyalty as well as on the fast, flexible, reliable and transparent processing of their orders. We orientate ourselves to the needs of our clients. We offer the highest quality in the handling of proceedings with the aim of providing unrestricted added value for our clients and all parties involved in the proceedings. We are equally committed to all our clients, regardless of whether it is a large or small order. Thanks to short communication channels, not only is every employee informed about every order, but our customers also save valuable time thanks to quickly accessible information.

A quality management system pays off:
Quality management systems focus on areas that are relevant to success. In concrete terms, this means increased customer orientation and a process-oriented approach in the organisation, cost savings and resource savings. In addition, greater quality awareness often leads to an increase in employee motivation and, as a result to a comprehensible increase in the value of the company.



Certificate ISO 9001:2015 in german
Certificate ISO 9001:2015 in englisch
Certificate IQNet in englisch