How we rank: IT companies

The Score (0–100) is a weighted sum of the factors below. Each factor is the weighted average of its metrics; each metric is calculated from one published fact. Missing facts score zero, and a service is ranked only when enough of its Score is backed by facts.

A service is ranked only when at least 60% of its Score is backed by verified facts.

← IT companies in Germany 2026: a fact-based ranking

Proof of work 30%

At least three public case studies naming the client, stated partner status with a named vendor, and the company's own open-source code. An anonymous "large bank" does not count as a named client.

MetricRule
Case studies with named clientsYes = 100, No = 0
Partner of a named vendorYes = 100, No = 0
Open sourceYes = 100, No = 0

Transparency 25%

Whether a legal entity of this country is given with its registration number, annual reports are published, a code of conduct and a privacy policy exist, and how many of four contact channels are listed: phone, email, form or chat, address.

MetricRule
Legal entity with registration numberYes = 100, No = 0
Annual reportsYes = 100, No = 0
Code of conductYes = 100, No = 0
Privacy policyYes = 100, No = 0
Contact channels (of 4)Linear from 0 (0) to 4 (100)

Certificates 25%

Whether current ISO/IEC 27001 and ISO 9001 certificates and a SOC 2 report are stated. "We work to ISO standards" is not a certificate. We do not check the documents with certification bodies.

MetricRule
ISO 27001 certificateYes = 100, No = 0
ISO 9001 certificateYes = 100, No = 0
SOC 2 reportYes = 100, No = 0

Experience and scale 20%

Year founded (scale up to 30 years) and stated headcount (logarithmic scale up to 10,000 people). Figures are as stated; for a group they may cover the whole group.

MetricRule
Year foundedFull score at 30+ years
Employees (stated)Logarithmic, full score at 10,000