And Why The DISC Agency Proudly Uses TTI Success Insights
If you’ve spent more than a few minutes researching DISC assessments, you’ve probably asked yourself:
“Why are there so many DISC providers?”
It’s a fair question — and one we hear regularly from clients who are confused by the sheer number of companies offering DISC-based tools, workshops and reports.
Let’s unpack what’s going on.
The Origins of DISC
DISC is not a trademarked product. It’s a behavioural theory developed by psychologist William Moulton Marston in the 1920s. His research identified four core behaviour types — Dominance, Influence, Steadiness and Compliance — which have since been adapted into assessment tools to help individuals and teams better understand themselves and others.
Because Marston never created a formal assessment himself, the DISC model exists in the public domain. This means any organisation can develop their own version of a DISC assessment — and many have.
Why So Many Providers?
Over the decades, hundreds of companies around the world have created their own interpretations of DISC. These range from simple, free online quizzes to sophisticated psychometric assessments backed by extensive validation and neuroscience.
Some versions are based on deep behavioural science. Others are little more than personality quizzes with DISC letters attached.
That’s why the provider you choose really matters.
The DISC Agency Partners with the Best: TTI Success Insights
At The DISC Agency, we’re proud to partner with TTI Success Insights (TTISI) — the global leader in DISC assessments. In fact, TTISI was the first organisation to take DISC assessments online, paving the way for digital accessibility, personalisation, and data-driven insights.
Their tools are not only scientifically validated but also include multi-science assessments (like Motivators, EQ, Driving Forces, and 12 Behaviours) to provide a much more complete picture of human behaviour.
This is why we choose TTISI. And it’s why our clients get accurate, actionable, and highly respected behavioural insights.
The 10 Most Recognised DISC Providers Globally
Here’s a quick snapshot of the most recognised names in the DISC space:
- TTI Success Insights (TTISI) – The pioneers of online DISC, known for high-level validation and multi-science assessments.
- Everything DiSC (Wiley) – A popular workplace-focused version with a strong learning suite.
- DISC Insights – Known for corporate DISC certification and training programs.
- PeopleKeys – Offers behavioural assessments and is integrated with various leadership platforms.
- Extended DISC – Delivers cloud-based DISC tools with customisation options.
- DISC Personality Testing – Consumer-focused DISC tools and reports.
- Institute for Motivational Living (IML) – Offers DISC and behavioural training tools for coaches and businesses.
- The Pacific Institute (TPI) – Incorporates DISC within broader organisational change and mindset training programs.
- Crystal Knows – Tech-driven DISC applications integrated with LinkedIn and email platforms.
- HRDQ DISC – Offers team training kits and e-learning DISC resources.
What Sets TTISI Apart?
- ✅ First to take DISC online
- ✅ Scientifically validated with global norming
- ✅ Expanded insights with Emotional Intelligence, Motivators, Driving Forces and Acumen
- ✅ Business-focused reports for leaders, management, staff, sales teams, and hiring
- ✅ Global reach, local support
- ✅ Available in Australian English – Language, spelling and examples that make sense to local teams
- ✅ Offers other psychometric assessments – Including EQ, Driving Forces, Acumen, DNA (Competencies), and Sales Bench Marking tools
In Summary: Choose Quality Over Quantity
Yes, there are many DISC providers. But not all DISC tools are created equal.
When you partner with The DISC Agency, you’re getting the most advanced, accurate and practical DISC insights available — powered by TTI Success Insights and delivered by certified facilitators who know how to turn theory into real change.
Whether you’re building stronger teams, improving leadership, or transforming your communication culture — start with the right tool.
Ready to talk DISC or psychometric assessments? Contact us or call 1300 690 469 or shoot us an enquiry to support@thediscagency.com.au
Download one of the many free sample DISC profiles here.
