The world's largest banknote
Design and realization of the largest banknote in the world as the exclusive distribution partner of the central bank of Burundi.
First licensed product series with a leading international brand
Development and implementation of the first licensed product series with a leading international brand.
Milestone in our training
Modern training with tradition: Recruitment of the 50th apprentice.
Electric vehicle fleet
Expansion of the company fleet to nine battery-electric vehicles.

Expansion of the photovoltaic system
Ecological conversion: the photovoltaic system is being expanded, a further step towards greater sustainability.
First high-quality souvenir note
Production of the first own high-quality souvenir note (2,000,000 units) with state-of-the-art security features
First licensed product with an international brand
Development and realization of the first licensed product with an international brand
Supply chain reduction
Insourcing shortens the supply chain and optimizes production for the benefit of the customer.
Electric vehicle fleet
The company fleet is being expanded to include more electric vehicles and the charging infrastructure is being significantly expanded.
Installation of a new air conditioning system
Site modernization: A new energy-efficient air conditioning system is being installed.
Expansion of the warehouse
The largest warehouse of its kind is being expanded to a capacity of over 250 million coins and banknotes.

Start of training for warehouse logistics specialists
Mietens & Partner GmbH is becoming a training company for warehouse logistics specialists. Recruitment of the 30th trainee.
ISO certification and marketing consulting
ISO 9001 certification for the wholesale of coins and banknotes and the design of coin packaging. Marketing consultancy for numismatic collection programs.
Introduction of an ERP system
Mietens & Partner carries out a comprehensive process optimization. Development and introduction of an Enterprise Resource Planning (ERP) system.
Relocation and expansion
Manufacturing product series for world-famous brands. Relocation to the new company headquarters at Porschestraße 16 in Salzgitter. Expansion of the floor space from 930 square meters to almost 40,000 square feet.

Start of training for digital and print media designers
Mietens & Partner GmbH is becoming a training company for digital and print media designers.
International partnerships
Partnerships with leading global coin trading companies in the field of numismatic programs.
New warehouse and production facility
Expansion of the existing company property with the construction of a new warehouse and production hall (usable floor space approx. 930 square meters).

Introduction of the Euro and mail-order concepts
The coin collecting market is expanding enormously due to the introduction of the Euro currency. The company successfully sells products created around the introduction of the Euro worldwide. Conception of the first numismatic programs for the mail order business.
First own company building in Salzgitter-Bad
Relocation to the company's first own building with 360 square meters of floor space. Expansion of the product range to include thematically compiled banknote and coin sets.

Birth of the MietensPaks
Purchase of a special machine for the shrink-wrapping of modern coin sets from around the world. The MietensPak is created as an innovative packaging for circulation coins.

Start of training for wholesale and international trade
Mietens & Partner GmbH is becoming a training company for wholesale and international trade.
Foundation and relocation to Salzgitter-Gebhardshagen
Mietens & Partner GmbH is founded and moves into business premises with a total area of 150 square metres. Expansion of the product range to include primitive money, treasure and wreck coins. Relocation to Salzgitter-Gebhardshagen.
Contact offices in Slovenia, Latvia and Peru
The company expands its product range to include coins and banknotes from the successor states of the Soviet Union and Yugoslavia. Contact offices are set up in Slovenia, Latvia and Peru.
Start as sole proprietorship Ulf Mietens
The sole proprietorship registered under the name Ulf Mietens begins selling mainly Peruvian banknotes. During his business studies, Ulf Mietens sold banknotes from the cellar and garage of his parents' house.