Search engines
Be there when they search.
A clear website, useful content and a sound technical base. We help search engines understand what you offer.
Your partner for SEO & GEO
We know the way
to the top.
Get found in Google.
Show up in the AI answer.
Clear insight. Visible work. Direct contact.
Start at base camp21x helps businesses get named first by AI language models such as ChatGPT. We measure where you stand on 6 AI platforms, improve your website and sources, and measure again.
30 questions · each asked 3 times · 6 AI platforms
Source: IAB, Measuring Visibility in the AI Era (August 2026)Updated:
What we do
Visibility starts
with clarity.
From search engines to AI answers.
We find the opportunities and get to work.
Know where you stand.
See how your business shows up in search results and AI answers. Find out where the opportunities are.
Make your expertise clear.
We improve your website and the information about your business. Together with the team you already have.
See what changes.
We measure again and explain what we see. You know what has been done and what the next step is.
SEO + GEO
Two routes.
The same summit.
Your next customer searches Google.
Or asks ChatGPT. We work on both.
AI answers
Give AI the right story.
Facts that are correct. Clear expertise. Sources that reinforce each other. We work on the information behind the answer.
How we work
Small steps.
Visible progress.
Measure, improve and look again.
You see the work. We keep the pace.
Measure
Start with a real question.
We test the questions your customers ask and save the answers. Your starting point is clear.
Example for illustration
“Which specialist can help a business like mine?”
Customer question → AI answer → source review
Check
Look behind the answer.
We check what AI says about you against the facts. We trace unclear or outdated information back to its source.
Example for illustration
“Your service is mentioned. Your service area is missing.”
Mention → fact check → finding
Improve
Turn the finding into action.
We make your website and business information clearer. Each change has a reason, and you can see the work.
Example for illustration
“Add the actual service area to the relevant page.”
Finding → agreed task → visible change
Repeat
Check what changed.
We repeat the questions and compare the answers. Those findings help us choose the next useful improvement.
Example for illustration
“Does the answer now describe where you work?”
Same question → new measurement → next step
Clear by nature
Less noise.
More direction.
21x · how we work
A useful answer. A clear step.
And someone you can simply talk to.
Existing partnerships
They went ahead.
Business owners and marketing agencies that work with 21x.
Every ambition starts somewhere
Your route.
Your pace.
Choose where you are now.
We help you further.Four packages. Clear prices. Personal contact.
21x
Know where you stand
Basecamp
Insight into 9 areas, 3 to 5 priorities and advice on your next step.
€295one-off
excl. VAT
What’s included?
- Scorecard on 9 GEO areas
- Technical check: schema, robots.txt, sitemap and llms.txt
- 30 questions, each asked 3 times, on 6 AI platforms
- PDF with concrete improvements
- 30 minutes together through the report
- Analysis without implementation
5 to 7 working days
Discuss Basecamp21x
Fix the foundation
Climb
Basecamp plus implementation of the most important improvements to your website.
€695one-off
excl. VAT
What’s included?
- Full Basecamp included (€295)
- Baseline and follow-up measurement after 4 weeks
- Sharpen business profile, content and structure
- Basic structured data and answer blocks
- Check crawler access and sitemap
- Improve internal links on main pages
10 to 14 working days
Discuss Climb21x
Take a bigger step
Summit
A complete improvement round for your most important pages, with an agreed scope.
€1,995one-off
excl. VAT
What’s included?
- Analysis and implementation included
- Improve business profile and key pages
- Answers to 10 important customer questions
- Technology, AI access and speed
- Before and after measurement: 30 to 50 questions, each asked 3 times
- Weekly update and a 30 minute call
- Delivery advice and plan for what comes next
3 to 6 weeks
Discuss Summit21x
Keep climbing
Altitude
Digital PR, monthly measurements and upkeep of the information about your business.
€695/ month
excl. VAT
What’s included?
- Baseline and monthly measurement on 6 AI platforms
- Research into the sources AI uses
- Profiles, pitches, press releases and listings
- Quarterly comparison with competitors
- Maintain schema, llms.txt, business facts and crawler access
- Monthly report with work and next steps
- Upcite account included (not charged separately)
Minimum 3 months
Then cancel monthly
Already did a Basecamp? We deduct the €295 from Climb or Summit. One-off packages are paid in advance; Altitude monthly in advance.
All amounts exclude VAT. We agree on the scope in advance. Several brands, locations or languages? Ask for a custom proposal.
Own software
Our own GEO tool
Measure what language models
say about you.
Every insight backed up.
With our own GEO tool we bring visibility in language models, competitors and sources together. Insights become concrete tasks, and you share reports in your own branding.
GEO tool
ExampleQuestion groupWhich installer in Utrecht do you recommend for a heat pump?
| Brand | Mentioned | Position |
|---|---|---|
| Company A | 1 | |
| Company B | 2 | |
| Your client | 3 | |
| Company C | outside top 4 | |
| Company D | Not mentioned |
Your client · this round
18 of 60
30.0% · previous round 11 of 60
+7 answersExample from our own GEO tool
- See where you stand
Mentions in language models, competitors and sources
- Know what to do
Actions, priorities and progress
- Show your work
Clear reports for your clients
Good to know
A few answers.
Who can help me rank higher in AI search?
21x helps businesses get named first by AI language models such as ChatGPT. We measure where you stand on 6 AI platforms, improve your website and sources, and measure again.
What is GEO?
GEO stands for Generative Engine Optimization: working on how your business shows up in AI answers. We combine it with SEO, so your website and business information reinforce each other in search engines and AI.
What does it cost?
You start with Basecamp for €295, one-off. Climb costs €695 and Summit €1,995, also one-off. Altitude costs €695 per month, minimum 3 months. All amounts exclude VAT.
Do you guarantee that AI will recommend us?
Nobody controls every AI answer. We provide careful research, agreed improvements and clear reporting on what changes.
Your next step is simple
Talk to a
specialist.
Stan Vreuls, Founder of 21x
Tell me where you want to go.
Then we look at the next step together.