16personalitiescom
16Personalities, operated by UK-based NERIS Analytics Limited, runs a globally accessible MBTI-based personality assessment platform in 49 languages with over 1.55 billion tests taken since 2011. It monetizes via a free-test-led funnel into premium guides, AI career mentors, and B2B team subscriptions.
- Company typePrivate
- Founded2011
- HeadquartersLondon, United Kingdom
- Headcount1–10
- GTM typeB2C
- OfferingSoftware
What 16personalitiescom does
16Personalities is operated by NERIS Analytics Limited, a privately held UK company registered in England and Wales (Companies House number 8646330) and headquartered at Nine Hills Road, Cambridge. Founded in 2011, the company runs a globally accessible personality assessment platform built on the Myers-Briggs Type Indicator (MBTI) framework, enriched with proprietary methodology that classifies users into 16 personality types across four role groups (Analysts, Diplomats, Sentinels, Explorers), each available in Assertive (-A) or Turbulent (-T) variants. The platform has administered over 1.55 billion tests across 196 million+ in the United States alone, with a current daily run-rate of 98K+ tests, and supports 49 languages, making it the most translated major personality test on the public internet.
The core product is a free 10-minute personality test that drives a product-led growth funnel. Premium monetization occurs through one-time purchases and subscriptions: the Premium Career Suite ($29 per personality type, including AI-powered career mentors and advanced career assessments), the Pro Suite bundle (all 16 type guides plus 31 tests and tools at an implied ~$129), Team Assessments for workplace use under annual subscription, and reports for professionals. The AI Mentor feature, branded Elina, delivers conversational guidance and is built on Anthropic's AI technology, layered on top of the personality-type framework rather than developed in-house. Distribution is direct-to-consumer through 16personalities.com with self-serve checkout and instant digital delivery, supplemented by an extensive SEO-driven content library, Substack newsletters, and adjacent sub-brands NPQE (interactive personality exploration) and MindTrackers (career change guidance).
The company is bootstrapped/self-funded with no disclosed venture capital, private equity, or acquisition activity, operates with a team of 1-10 employees, and has reached an exceptionally capital-efficient scale: the platform processes tens of thousands of tests per day while supporting 49 languages and a multi-product premium catalog.
16personalitiescom firmographics
Firmographics- Name
- 16personalitiescom
- Legal name
- NERIS Analytics Limited
- Website
- https://16personalities.com
- Company type
- Private
- Founded year
- 2011
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- 16Personalities, operated by UK-based NERIS Analytics Limited, runs a globally accessible MBTI-based personality assessment platform in 49 languages with over 1.55 billion tests taken since 2011. It monetizes via a free-test-led funnel into premium guides, AI career mentors, and B2B team subscriptions.
- Ownership category
- akta.pro rank
16personalitiescom industry classification
Industry- Product category
- Psychometric Assessment Software
- NAICS
- Educational Support Services (611710), Human Resources Consulting Services (541612)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- Personality & Behavioral Assessments (BPACAMAC)
- akta.pro secondary industry
- Skills Assessment & Talent/Employability Testing Platforms (EDAFADAM)
Keywords
Where 16personalitiescom is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
16personalitiescom business model
Business model- GTM type
- B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure
Revenue model
- Premium Digital Profiles and Guides: One-time purchase digital content including personality profiles, career guides, relationship guides, and personal growth ebooks in PDF format. Sold directly through the website.
- Subscription Services: Ongoing subscription-based access to specialized tests, assessments, and premium content. Payments due monthly or annually on the same date as first payment.
- Premium Career Suite: Comprehensive career guidance product combining personality-specific career guides with AI mentor access, additional career assessments (burnout risk, career values, job preferences), and 24/7 AI career mentor support.
- Pro Suite: Bundle access to all 16 personality types' guides (Personal Growth, Careers, Relationships), plus all 31 tests and tools. Offered as a cost-saving bundle vs. individual purchases.
- Team Assessments: Premium team dynamics and workplace personality tools for team leaders and organizations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | Individual Premium Career Suite - $29 per personality type |
| One time/ perpetual license | Pay-as-you-go | Pro Suite Bundle - approximately $129 (implied) |
| Subscription | Monthly | Subscription Services |
| Subscription | Annual | Teams Tool |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels6 records
16personalitiescom product offering
Product offeringCore offering
16Personalities provides a free online personality test that classifies users into one of 16 personality types across four roles (Analysts, Diplomats, Sentinels, Explorers) with Assertive (-A) or Turbulent (-T) variants. The platform monetizes through premium digital products including the Career Suite with AI-powered mentors, the Pro Suite bundle of all type guides, and Team Assessments for workplace use. It also operates related products NPQE (interactive personality exploration) and MindTrackers (career change guidance).
Product overview
16Personalities is a personality assessment platform offering a free 16-type personality model with four role categories (Analysts, Diplomats, Sentinels, Explorers), each available in Assertive (-A) or Turbulent (-T) variants. The core offering is the free personality test, which generates personalized type descriptions. Premium offerings include the Career Suite with AI-powered mentors, the Pro Suite providing access to all 16 type guides plus 31 tests, and Team Assessments for organizational use. The platform also offers an AI Mentor (Elina) for conversational guidance, along with supplementary resources like articles, country profiles, and newsletters. Related products include NPQE (interactive personality exploration) and MindTrackers (career change guidance).
Differentiator
Problem solved
Functional benefit
Brands
- NERIS: Parent brand for personality assessment framework and analytics (e.g., NERIS Analytics Limited, NERIS Personal Quest Explorer)
- NPQE
- MindTrackers
- AI Mentor (Elina)
Products and services
- Free Personality Test A free personality assessment that classifies users into one of 16 personality types (Analysts, Diplomats, Sentinels, Explorers) with Assertive (-A) or Turbulent (-T) variants, taking approximately 10 minutes to complete and generating personalized type descriptions for individual consumers.
- Premium Career Suite Personalized career guidance including a 40+ page career guide, 5 AI career mentors available 24/7, and advanced career assessments exploring burnout risk, career values, and job preferences. Targeted at career-focused individual consumers.
- 16Personalities Pro Suite Comprehensive premium package providing unlimited access to all 16 personality type guides covering personal growth, careers, and relationships, plus all 31 tests and tools for individual consumers seeking broad personality insights.
- Team Assessments Team dynamics tool for understanding team culture, improving communication, and helping team members develop individual strengths across teams of all sizes. Provided under a subscription model to team leaders and organizations.
- Reports for Professionals Professional reports designed for practitioners using personality assessments in their work such as consultants, HR professionals, and coaches who incorporate personality frameworks into client engagements.
- NPQE (NERIS Personal Quest Explorer) An interactive, story-based exploration of personality that offers an alternative experience to the standard personality test, distributed as a standalone branded website (npqe.com) by NERIS Analytics Limited.
- MindTrackers Personalized career change guidance tool providing advice to help individuals navigate career transitions, operated as a separate branded website (careerchange.mindtrackers.com).
Quantifiable outcome
- 91.2% self-reported accuracy rating
- +3 more outcomes
Companies that use 16personalitiescom
Customer profileNamed customers5 records
Segments4 records
Ideal customer profiles4 records
16personalitiescom technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability4 records
Feature4 records
16personalitiescom partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core.
- AnthropiccoreThird-party AI technology provider used for AI content generation and the AI Mentor (Elina) feature. Anthropic's privacy and security measures apply to AI-generated outputs. Critical infrastructure partner for AI-powered features.
- Stripe and PayPalcorePayment processing providers handling transactions and anti-fraud checks for all product purchases.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
16personalitiescom competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key highlights6 records
Customer concentration
16personalitiescom social profiles
Digital presence16personalitiescom financial estimates
Financial estimateRevenue estimate
Valuation estimate
16personalitiescom leadership team
Management profileNumber of profiles
16personalitiescom funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
16personalitiescom M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about 16personalitiescom
What does 16personalitiescom do?
16Personalities provides a free online personality test that classifies users into one of 16 personality types across four roles (Analysts, Diplomats, Sentinels, Explorers) with Assertive (-A) or Turbulent (-T) variants. The platform monetizes through premium digital products including the Career Suite with AI-powered mentors, the Pro Suite bundle of all type guides, and Team Assessments for workplace use. It also operates related products NPQE (interactive personality exploration) and MindTrackers (career change guidance).
Is 16personalitiescom a public or private company?
16personalitiescom is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was 16personalitiescom founded?
16personalitiescom was founded in 2011. It employs 1 to 10 people.
Where is 16personalitiescom based?
16personalitiescom is headquartered in London, United Kingdom, in the Europe region.
How does 16personalitiescom make money?
Five revenue lines are on record. Premium Digital Profiles and Guides are the primary driver. The others are subscription Services, premium Career Suite, pro Suite and team Assessments.
Does 16personalitiescom have an API?
No public API is recorded for 16personalitiescom.
What industry is 16personalitiescom in?
16personalitiescom's product category is Psychometric Assessment Software. Its primary akta.pro industry code is BPACAMAC, Personality & Behavioral Assessments, with a secondary code of EDAFADAM, Skills Assessment & Talent/Employability Testing Platforms. Its NAICS code is 611710 and its SIC code is 8200.