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Tree11

TREE11 is a lifestyle gym offering CrossFit, personal training, small-group training, nutrition advice, corporate training, and school clinics.

Wellness and Fitness Services
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Headquarters
Alkmaar, NetherlandsSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
2020Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
17 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Tree11 do?

Trainers, nutrition experts, and physiotherapists work together to provide guidance. The gym describes its approach as balancing training with free time.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

The gym serves people from the Alkmaar region and surrounding area.

What the business offers

Services & capabilities.

Fitness training

The gym offers CrossFit, personal training, and small-group training.

Source: LinkedIn company description · Retrieved October 13, 2026

Advice and group training

The gym offers nutrition advice, corporate training, and school clinics.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWTree11 listed #1 on Crossfit gym marketing agencies, September 26, 2026Open the published source list.
Tree11

#1 Crossfit gym marketing agencies

Snapshot: September 26, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 18, 2026, September 19, 2026, September 21, 2026, September 26, 2026 and September 27, 2026. How the company lists are built.

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