We make your business
larger more planable more reliable more profitable

References from OPUS, successes that we are proud of...

Our customers not only include large companies with many locations, but also, above all, satisfied users of KLUSA®. Small and medium-sized companies also use our multi-project management solution KLUSA®. Here you can see a small but fine extract from our customer list:

Logo: Infineon

Infineon Technologies AG

Semiconductors and system solutions
Infineon Technologies AG is the largest semiconductor manufacturer in Germany and one of the ten largest worldwide. Infineon offers semiconductor and system solutions focusing on energy efficiency, mobility and security.
Goto infineon
Logo: BMW AG

BMW Group AG

Automobiles and motorcycles
Bayerische Motoren Werke Aktiengesellschaft is a globally operating, listed automobile and motorcycle manufacturer that appears under the brand name BMW Group.
Goto BMW
Logo: Visana


Health and accident insurance
Visana is a Swiss insurance group specializing in health and accident insurance. The group of companies takes care of around 827,000 private individuals as well as of 14,000 insured companies, authorities and associations.
Logo: Swiss-Life

Swiss Life AG

Finance and pension solutions
Swiss Life Germany is a leading provider of financial and pension solutions and belongs to the Swiss Life Group. The group currently employs around 7,500 people worldwide.
Goto SwissLife
Logo: AES

Aerospace Embedded Solutions GmbH

Hardware and software components
AES is a leading provider of hardware and software components relevant to security
Goto AES
Logo: Constellium

Constellium Group

Innovative high value-added aluminum products
Constellium (NYSE: CSTM) is a global leader in the development and manufacturing of high value-added aluminium products and solutions, such as cars, beverage cans, airplanes and more
Goto Constellium

"The secret of change is to focus all of your energy, not on fighting the old, but on building the new" (Dan Millman: "Way of the Peaceful Warrior: A Book that Changes Lives", 1980 (Quoted in Quoteslyfe)

Since we founded OPUS GmbH in Munich in 1991, we have been dealing with the implementation of our customers’ wishes in project management. This resulted in KLUSA, our comprehensive and sophisticated multi-project management software. Like the projects of our customers, KLUSA is subject to constant change and thus always optimized for customer benefit and supported by us in operation at all service levels.

Present in the project management software market since 1991
Satisfied customers from medium-sized to large companies
Flexibility is one of our trademarks
Each new version of KLUSA contains customer wishes
Software made in Germany
more than 10.000 users in five continents

Our mission: satisfied users and customers of OPUS… maybe you will be next of them soon?