Companies using Memberium by Castle Mountain Limited in 2025
As of 2025, 323 verified companies use Memberium – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is Memberium by Castle Mountain Limited?
Memberium by Ski Castle Business Services Inc. is a WordPress membership plugin tightly integrated with Infusionsoft. It’s designed to turn a WordPress website into a powerful membership site, offering features like content protection, membership levels, and automated access control based on Infusionsoft tags. It is widely used by businesses, entrepreneurs, and organizations looking to create and manage online membership programs, online courses, and gated content, especially in marketing and sales teams.
Last updated date
August 17, 2025
Number of Companies using
323
The majority are based in the
United States
Most common industry?
Education
Memberium’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
We have data on 323 companies that use Memberium. Our Memberium customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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Memberium users and customers by country
United States
Australia
2.6K Companies
United Kingdom
2.6K Companies
Canada
2.6K Companies
Germany
2.6K Companies
Where Memberium Shows Up Most
Memberium is used across a wide range of sectors:
Education
Business Services
Training
Hospitality
Retail
From lean startups to global enterprises, Memberium’s footprint is wide, and that means opportunity.
Tech Stack Database
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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Memberium?
Memberium is a WordPress membership plugin tightly integrated with Infusionsoft. It turns a WordPress website into a powerful membership site.
What are the key features of Memberium?
Memberium offers features like content protection, membership levels, and automated access control based on Infusionsoft tags.
Who uses Memberium?
Memberium is used by businesses, entrepreneurs, and organizations to create and manage online membership programs, online courses, and gated content.
In what industries is Memberium commonly used?
Memberium is widely used in industries like Education, Business Services, Training, Hospitality, and Retail.
How many companies are using Memberium in 2025?
As of 2025, there are 323 verified companies using Memberium.