Overview
The GreyScale (TGS) is an advanced organizational assessment solution designed to help companies build healthier, high-performing workplaces through informed leadership decisions.
It provides a comprehensive evaluation of key dark personality traits (Borderline, Machiavellian, Narcissistic, Psychopathic, and Sociopathic) across leadership and management teams, offering deep insights into individual and collective behavioral patterns. By identifying potential leadership toxicity and its impact on organizational culture, TGS supports compliance with psychological health and safety legislation and enhances workforce well-being.
Through the ASCA Model—Anxiety, Stimulation, Conformity, and Ambiguity—TGS measures how leadership behaviors influence the psychosocial climate and overall performance of your organization. These insights empower HR and executive teams to make data-driven decisions in leadership selection, succession planning, and development initiatives.
Strengthen your organization’s culture, improve employee engagement, and reduce psychosocial risks with TGS. Build a leadership foundation rooted in authenticity, accountability, and long-term success.
Find out more about how TGS can support your organization below, or contact us to discuss a tailored assessment solution for your leadership team.

Taking the Assesment
The assessment consists of 173 questions, and it takes less than 25 minutes to complete. It is forensically checked for respondent authenticity. If there is any concern about authenticity, the participant will be asked to retake the assessment.

Authenticity Check
One of the key ways we are different from other assessments is our ability to ensure respondents are telling the truth. TGS detects 99% of inauthentic responses to prevent destructive psychopaths or other risky and toxic personalities from entering your organization
Leadership Insights
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Performance Personalities
The reason leaders 'get stuff done'
The performance personalities of Borderline, Machiavellianism, Narcissism, Psychopathy, and Sociopathy are crucial for effective leadership. They provide traits that enable decisive action, strategic ruthlessness, charismatic confidence, and intense motivation. The GreyScale Assessment identifies these personalities as dynamic (effective/green), diluted (ineffective/amber), or dangerous (risky and toxic/red).

Containment Factor
The 11 factors influencing leadership effectiveness
11 containment factors grouped into Defensiveness, Morality, Relationship Attachment, and Core Motivations, impact leadership effectiveness and performance. These factors mediate or amplify a leader's behavior, making them more or less effective or risky and toxic in certain situations. TGS provides insight into how these factors interact with a leader's personality to shape their impact on people and business performance.

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See a Sample TGS Assessment Report
Curious about what your leadership assessment report will look like? See a Sample Report and discover how The GreyScale provides in-depth insights into your leadership style.
How TGS Can Help You

An effective leader should thrive in stressful situations, deal well with complexity and ambiguity, seem to have little anxiety about tackling difficult challenges, and cope with internal and external volatility and uncertainty. The presence of the ‘Performance Personality' trait combinations underpins this.

The role of HR in placing the proper leader is crucial. An effective leader will drive employee engagement, foster a positive work culture, enhance productivity and attract other top talent. Conversely, choosing an ineffective leader can lead to workplace toxicity, resulting in high employee turnover, reduced morale, and decreased performance. Such toxicity damages employees' well-being and harms the organization's reputation, making attracting and retaining top talent difficult. Therefore, HR's role in selecting effective leaders is critical in shaping a successful, productive, and sustainable workplace environment. TGS can help you identify potentially effective and toxic leaders as part of your recruitment or development process by providing insights into their winning and risky personality combinations and their impact on the four critical psychosocial risk factors - Anxiety, Stimulation, Conformity and Ambiguity (ASCA) which affects peoples and performance.
Solutions That Meet Your Unique Needs
TGS provides a variety of solutions for individual leaders, business organizations and recruitment firms. Our solutions are built around two assessments - The TGS Core Leadership Assessment and the TGS Team Assessment. These can be used separately or combined together delivering powerful and actionable insights to increase leadership effectiveness; to identify and mitigate leadership toxicity and to improve leadership candidate suitability.
