Turn managers into leaders. Build a culture that performs.
Ineffective leadership is one of the biggest hidden costs in business. Thomas gives you the insight to coach existing managers, develop high-potential talent, and scale leadership that drives engagement, retention and results.
Leadership teams using Thomas:
- Improve team performance by addressing behavioral blind spots and coaching gaps in underperforming managers
- Reduce attrition by building a leadership culture that drives loyalty, growth and long-term performance
- Accelerate succession planning by identifying high-potential talent early and developing them with targeted leadership assessments
- Create a consistent management culture that improves performance, strengthens engagement and supports scale
Trusted by leading organizations worldwide | BPS & EFPA approved
Weak leadership drives attrition, underperformance and disengagement
When managers lack self-awareness, consistency or coaching skills, the impact spreads across the business through disengaged teams, poor retention and missed opportunities to grow future leaders.
Leadership gaps often show up as:
- High team turnover that increases costs and disrupts continuity
- Disengaged teams that underperform and damage morale
- Newly promoted managers who create friction and stall team growth
- Loss of high-potential talent due to lack of visible progression
Without the right insight, it’s hard to know where the real blockers are or how to fix them. Thomas helps you build a leadership pipeline that performs at every level.
The insight platform for developing stronger leaders
Thomas gives HR and talent leaders the tools to identify future leadership potential, coach existing managers more effectively, and scale leadership across the business.
Using proven leadership assessment tools, you can understand how your people think, lead and grow and make confident, data-led decisions about who to support, how to develop them and when they’re ready for more.
Thomas Assess - The leadership assessment platform
Thomas Assess gives HR and talent leaders the data to identify leadership potential, improve selection decisions and build a strong, future-ready pipeline. Use multiple leadership assessment tools to reduce bias, evaluate readiness and support stronger internal and external appointments.
Includes:
- Behavior assessments – Understand how individuals lead, communicate and respond under pressure to improve coaching and team dynamics
- Personality assessments – Reveal decision-making style, motivation and long-term fit to guide promotions and leadership succession
- Aptitude assessments – Identify fast learners with the potential to grow into more complex leadership roles
- Emotional intelligence assessments – Measure resilience, empathy and self-awareness to build more effective, emotionally intelligent leaders
With Thomas Assess, you can improve leadership quality across the organization from first-time managers to experienced leaders.
Thomas Connect - The platform that maximises leadership potential
Thomas Connect helps you scale leadership development by turning assessment insight into practical coaching tools. Equip managers with the understanding and support they need to lead more effectively, build stronger teams and grow into their next role.
Includes:
- Behavior – Accelerate productivity, create high-functioning relationships fast and multiply business performance when you help your leaders communicate more effectively.
- Colleague compare tool - find out how your working style differs from other members of your leadership team, and understand the ways you can build effective relationships.
- Team view – Understand team dynamics to improve collaboration, alignment and cross-functional leadership
- AI coaching assistant (Thom) – Deliver instant, personalised coaching prompts to help managers apply insights in real-world situations
Thomas Connect supports consistent, scalable leadership development across teams, functions and regions.
Improve team performance by understanding how managers lead and communicate under pressure.
For hiring and development
Used in: Assess & Connect
Reveal decision-making style and motivation to inform leadership development and mobility planning.
For hiring and development
Used in: Assess & Connect
Spot future-ready leaders with the learning agility to step into more complex roles faster.
For hiring
Used in: Assess
Build emotionally intelligent leaders who improve team dynamics and reduce friction.
For hiring
Used in: Assess
Usefeedback to identify blind spots and accelerate development for current and emerging leaders.
For development
Used in: Connect
Leadership teams using Thomas see real results
Thomas helps HR and L&D leaders turn leadership development into a measurable business advantage, improving performance, boosting engagement and strengthening retention.
With insight from leadership development assessments, you can:
- Increase internal promotions by identifying high-potential leaders earlier
- Improve team performance by making management more consistent and effective
- Boost engagement and reduce turnover by developing emotionally intelligent leaders
- Lower hiring costs by building a stronger internal pipeline and reducing external recruitment
Fast implementation, easy integration, and simple scaling
Thomas integrates seamlessly into your learning and talent infrastructure with minimal setup, simple workflows and immediate value. Whether you're supporting a small management team or rolling out development across multiple regions, the platform is built to scale.
1. Select your assessment(s)
Choose leadership development assessment tools aligned to your competency frameworks, behaviors and role levels.
2. Send to managers or participants
Deliver assessments in just a few clicks either directly through Thomas or via integrations with your HRIS, LMS or performance platform.
3. Get clear, actionable insight
Access easy-to-interpret reports the moment assessments are complete, with no additional training or psychometric expertise required.
4. Scale with confidence
Standardise leadership development across functions, geographies and business units and support every manager with the tools to grow.
Frequently asked questions
Can we align assessments to our leadership competency framework?
Yes. We’ll help you map our assessments to your organization’s leadership behaviors, levels and development goals — whether you're using custom frameworks or established models.
Do we need psychometric training to interpret results?
No. All assessment reports are designed for non-specialists, with clear, actionable insight for HR, L&D and line managers.
Can we track the impact of leadership development?
Absolutely. Our platform includes reporting dashboards, usage analytics and outcome tracking to help you demonstrate programme effectiveness and ROI.
Is the platform scalable across teams and regions?
Yes. Thomas is designed to support multi-site and global rollouts with flexible access, role-based permissions and integration support for your existing HR tech.
Are the assessments validated and compliant?
All Thomas assessments are BPS-validated, EFPA-compliant and backed by decades of psychometric research — trusted by thousands of organizations worldwide.
What are the best leadership assessment tools for development?
The most effective tools combine behavioral, personality, aptitude and emotional intelligence assessments to give a full picture of how someone leads, learns and grows. Thomas brings them all together in one platform.
How do leadership development assessments work?
Leadership development assessments evaluate traits like decision-making, communication style, resilience and team impact. The results help HR and L&D teams make informed decisions about who to support, how to develop them and when they’re ready to step up.
Trusted by 10,000+ businesses to build better teams
Thomas is trusted by HR and L&D leaders across industries to strengthen leadership capability, increase internal mobility and build more effective managers at every level. From enterprise HR departments to fast-scaling people teams, our platform supports leadership development that delivers measurable impact.
"Using Thomas Assess has allowed us to understand more about our candidates beyond what a CV can tell us. By assessing our candidates with the same questions, we can provide our hiring community with quality data to allow for a more informed hiring decision. They've even worked with us to deliver training to our hiring managers on how to interpret the reports."
Richard W, Talent Acquisition Lead
"We’re just scratching the surface of what’s possible. With Thomas, we’re building more self-aware, high-performing teams -and that’s already having a ripple effect across the organization."
Jen Robinson, Organizational Development Manager
"We chose Thomas because of the simplicity of the assessments and the ease of articulating the results to colleagues and respondents. We know we're providing a positive candidate experience and the reports are really useful and user friendly"
Thomas Client
Turn managers into leaders. Build a culture that performs.
See how Thomas can help you develop stronger managers, improve succession planning and create a more effective leadership culture across your organization.
In your personalised demo, you’ll:
- Explore how our leadership assessments align with your competency frameworks and growth strategy
- See real-world examples of how HR and L&D teams use Thomas to improve leadership capability and retention
- Get expert advice on rollout, integration and measurement with no pressure to commit
Book your demo and start building better leaders today.
Trusted by leading organizations worldwide | BPS & EFPA approved
