
About 4Select
The growth partner for fitness & health.
4Select is the growth partner for fitness and health businesses, founded by Roel Vaessen. One dedicated growth consultant grows your business in members and revenue across four pillars: strategy, marketing, sales and retention.
We turn leads into members. One partner. One plan. One connected system.
4Select at a glance
Who we are, in short.
- Company
- 4Select, the growth partner for gyms, fitness clubs, boutique studios and health clubs.
- Founder
- Roel Vaessen, who also founded Dialanta.
- Location
- Aartsdijkweg 23b, 2676 LE Maasdijk, NL. We work with clubs in the Netherlands and Belgium.
- Clubs
- 120+ clubs and locations work with 4Select. On average they see +20% revenue, +30% more leads, 50% lead-to-member conversion and +5 months longer membership.
- What we do
- One dedicated growth consultant runs strategy, marketing, sales and retention for your club.
- Dialanta
- Dialanta is the all-in-one AI fitness software. 4Select builds and runs it for your club, so everything is measured in one system.
02 · Explainer
How 4Select works.
Our belief
Growth comes from structure.
Fitness and health businesses rarely lack ideas. They lack a single system where leads, follow-up, campaigns and reporting meet. Adding more marketing on top of that only makes the leaks bigger.
So we start with structure: positioning, a sales process and one platform. Then we execute on it with one consultant who knows your club.

The founder
Built by someone who understands what drives growth in fitness and health
Most fitness businesses don't have a lead problem — they have a system problem. We've seen it across dozens of fitness businesses: different markets, same bottleneck. Marketing, sales and retention are almost never connected. Leads come in, but without structure behind them growth stays inconsistent.
That's why 4Select was built — not as another agency, but as a complete growth system designed to turn leads into long-term members. Predictable. Measurable. Scalable.
- 120+
- clubs
- +20%
- revenue
- +30%
- leads
- +5
- months
Roel Vaessen — Founder of 4Select & Dialanta













How we are set up
4Select leads.
is the system we work in.
Your 4Select growth consultant works inside Dialanta, the all-in-one AI fitness software, so everything we do is measurable in one system. Visit Dialanta.
Growth in a club follows a path. Strategy sets the direction, marketing brings in more leads, sales turns them into paying members and retention keeps those members longer. Dialanta is the system underneath, and 4Select gets the most out of it.
See how we measureFour pillars
Three pillars, choose Grow. All four, choose Club.
Strategy, marketing, sales and retention, run as one connected system.
4 pillars
- Strategy
- Marketing
- Sales
- Retention
3 pillars
- Strategy
- Marketing
- Sales
01Strategy
- Your offer doesn't fit the market
- No clear growth plan or targets
- Pricing and memberships underpriced or unclear
- No clear positioning versus competitors
We define your local positioning, restructure your pricing and memberships for higher margins, and steer your growth monthly on real numbers.
How we do it- Not enough leads
- Low-quality leads
- Poor findability on Google and in AI search
- Ad spend without measurable results
We build and run high-intent Meta Ads and Google Ads campaigns, optimise your Google and AI search visibility, and turn your website into a qualified lead engine.
How we do it03Sales
- Leads not followed up fast
- Too dependent on individual staff
- Low trial-to-member conversion
- No structured sales process or training
Dialanta's AI agents contact every lead within 60 seconds via WhatsApp and phone, while we train your team with structured tour-to-sign-up playbooks.
How we do it
- Members cancel too soon
- Too little value for members to stay
- No signal about who is about to leave
- Members train in one place only, no extras
We launch your branded member app, enable cross-club access via Dialanta Hub, add home workouts via Dialanta On Demand, and flag at-risk members before they cancel.
How we do it
FAQ
Quick answers.

Next step
Ready to grow your business in members and revenue?
We grow health & fitness businesses. Your own growth consultant, working for you inside Dialanta.
- 15-minute video callFree and without obligation.
- We look at your numbersLeads, show-up rate and retention.
- No sales pitchYou leave with at least two growth points you can use right away.
Territory protection. We work with a maximum of one club per 25,000 residents. Your local competitor can't hire us for the same area.


