Effectiveness

Effectiveness is a Warsaw-based HR consulting and outsourcing agency founded in 2016. The agency partners with organizations to achieve sustainable growth by unlocking the potential of their people. It addresses modern challenges such as talent attraction and retention, onboarding, team engagement, and leadership development.

The agency employs under 49 professionals and charges an average hourly rate of $150, with minimum project budgets ranging from $1,000 to $10,000. Effectiveness bases its work on precise competency diagnostics, including DISC D3 for behavior and values assessment, 360 Indicator for multi-source leadership feedback, and the Leadership Performance Review for in-depth leadership evaluation.

Effectiveness offers HR outsourcing and HR consulting services. Its expertise includes competency diagnostics, leadership development, and support for multicultural teams. The agency translates diagnostic data into practical strategies and behaviors, ensuring that insights lead to measurable improvements in performance.

The agency serves a diverse range of industries, including automotive, software and IT services, corporate services, education, consumer goods, beauty, media and communications, HR, finance, and gaming. Its client types include startups, small businesses, medium businesses, and enterprise or corporate organizations.

Google reviews give Effectiveness a rating of 4.5 out of 5 based on six reviews. Clients consistently commend the agency for its professionalism, quick communication, effective diagnostic tools, and smooth cooperation. Reviewers note that the team is well-coordinated and that the research provided is top-notch.

Effectiveness has worked with notable clients such as VINCI Facilities, Academy of Language, BWI Poland Technologies, Jungheinrich, Accor, Dynatrace, and Naj International. The agency's portfolio includes tailored training and consulting programs that transform diagnostic results into daily leadership and HR practices.