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NUM3RUS provides clients with management consultancy services along the full IT sourcing life cycle. Our approach is centred on maintaining an independence from suppliers and on corroborating our advice by drawing on a unique database of actual contract pricing details and mechanisms. We assist our clients in making informed decisions, realising optimised cost structures and in aligning their IT strategy with their core business goals. Critically, NUM3RUS believes in taking an unbiased approach to IT sourcing challenges that is not necessarily geared towards outsourcing. Rather, we work as part of a team with the client to achieve both optimised processes as well as optimised cost structures. The breadth of our consultants’ experience and their diverse domain expertise allows clients to achieve best-in-class contracts and results. NUM3RUS blends the global reach of its projects with its deep understanding of the European markets.

NUM3RUS Questions

The NUM3RUS annual revenue was $1 million in 2026.

Sabine Rueffer is the Partner of NUM3RUS.

3 people are employed at NUM3RUS.

NUM3RUS is based in Düsseldorf, Nordrhein Westfalen.

The NAICS codes for NUM3RUS are [54, 54151, 541512, 5415, 541].

The SIC codes for NUM3RUS are [73, 737].

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