Unlock potential and drive performance at scale
Give your people a clear path to grow, and your managers the data to guide them, so development turns into real progress instead of just checking a box.
Trusted by
Why choose Assessio?
Boost profitability by up to 23%
Engaging employees through regular development has been shown to drive productivity, loyalty, well-being, and profit.
Achieve up to 92% performance review completion
No more incomplete reviews or guesswork on pay and promotions. Our platform makes regular reviews easy to complete, so every decision is backed by data.
Enable up to 50% first-year career progression
No more incomplete reviews or guesswork on pay and promotions. Our platform makes regular reviews easy to complete, so every decision is backed by data.
Pay people based on real performance
Connect each employee's compensation to their long-term growth, so pay decisions are fair and transparent.
Supporting features
A targeted approach to talent development
From skills matrices and career pathways to individualised training plans, every development decision is grounded in evidence accumulated across the employee lifecycle. Growth becomes targeted, relevant, and trackable.
Skills matrices
You can't close a skill gap you can't see. Skills matrices combine psychometric data, performance outcomes, and peer feedback into one view of capability, with dashboards that surface gaps by domain and AI that builds new matrices in one click.
Career explorer
When employees can't see a path forward, they leave to find one elsewhere. Career explorer gives employees and employers visibility into progression and future opportunities, with skills-based career paths that keep high-potential people engaged and growing internally.
Training
Committing to a development plan without knowing its cost is a gamble. Assessio's AI cross-references each employee's skills matrix with your training catalogue to recommend a personalised, budgeted path, so you know the cost before you commit.
Take a guided tour
See why leading HR teams love developing their employees with Assessio. We’ll show you, at your own pace, how 70 years of psychometric science pairs with modern tech to strengthen your results.
"The platform lets each employee self-assess against a competency matrix tied to their level, so they feel more involved in their career and can see the skills to build next."
Aude Darche
HR Manager, Roole
"We use the platform to build our training plan. What took a full day of reading forms now takes 30 minutes."
Juliette Merlant
HR Manager, MK2
"By measuring learning agility across our managers, we focus development on the people and teams that accelerate our transformation."
Jonne-Mei Beetz
HR Development Manager, Eneco Group
"We can now steer careers that meet the company's goals while setting our consultants up to succeed in their roles."
Flora Herbet
HR & Recruitment Manager, Converteo
"By separating development from performance reviews, we reward how people grow in their role, not one semester's output."
Maud Bourdrez
HR Manager, JobTeaser
People data you can trust
See why thousands of organisations around the world use Assessio to unlock their full potential.
Explore our resource library
From psychometric testing to practitioner experiences, find everything you need to make better talent decisions.
Webinars & events
Regular online sessions covering the topics shaping modern HR, with leading industry figures and live Q&As.
Sign up
Customer stories
See how HR teams across Europe use Assessio to hire, develop, and retain the right people.
Read moreWebinars & events
Regular online sessions covering the topics shaping modern HR, with leading industry figures and live Q&As.
Sign upCustomer stories
See how HR teams across Europe use Assessio to hire, develop, and retain the right people.
Read more
Frequently asked questions about developing talent with Assessio
Browse our FAQS to find out more.
How does Assessio make performance reviews more effective?
Assessio replaces point-in-time annual reviews with continuous, data-driven tools that give managers an accurate, ongoing picture of each individual. SIO can also draft review summaries automatically, saving time and ensuring every review is grounded in objective data rather than recent memory.
How do development plans connect to hiring data?
Every candidate assessment creates a Talent Profile that follows the individual into employment. The psychometric data gathered at hiring directly informs development planning, so you’re building on a scientifically validated foundation from day one rather than starting from scratch.
How does Assessio identify high-potential employees?
SIO continuously analyses performance, engagement, and psychometric data across your workforce, surfacing high-potentialsbefore they become obvious — or before they leave. Rather than relying on manager nomination alone, you get a data-driven view of who is ready for more.
How does 360° feedback work in Assessio?
Assessio’s 360° feedback tools gather structured input from peers, managers, and direct reports, then contextualise it against each person’s psychometric profile. That means feedback is more actionable — tied to specific behaviours and development areas rather than general impressions.
How does Assessio support internal career development and talent mobility?
Assessio’s career exploration and talent mobility tools match people to internal opportunities based on their validated profile, performance history, and development trajectory. This reduces reliance on external hiring, retains institutional knowledge, and gives employees a visible path forward — one of the strongest drivers of long-term engagement.