How many companies use Senja?
As of October 2026, 148 companies show public evidence of using Senja across the 1,789,086 company domains runsonwhat tracks. That makes Senja the 171st most used of the 227 Marketing tools with confirmed customers, behind Arcade (151). The number is a lower bound: a company counts only when a public record, such as a DNS entry or Senja's code on its website, shows the tool in use.
Which companies use Senja?
Companies that use Senja include Cal.com, Prezly, Six Seconds, Biznext and BlazeNet, according to runsonwhat's public-record scans (October 2026). The biggest industries among Senja customers are software (21%) and professional training & coaching (7.9%). The full list of 148 companies can be filtered by industry, company size and country on runsonwhat's Senja page.
What industries use Senja the most?
The industries with the most Senja customers are software (21%), professional training & coaching (7.9%) and financial services (6.7%), based on the 89 companies with a known industry.
Is Senja more popular with startups or large companies?
Senja is used mostly by small companies: of the 108 companies with a known size, 75% have up to 50 employees, 25% have 51 to 1,000 and under 0.1% have more than 1,000.
Which countries use Senja the most?
Most Senja customers runsonwhat has found are based in the United States (38%), the United Kingdom (12%) and Australia (5.4%), out of 111 companies with a known country. Outside the United States, the biggest markets are the United Kingdom and Australia.
Senja vs Mailchimp: which is more widely used?
Mailchimp is more widely used: 110,094 companies show public evidence of Mailchimp, against 148 for Senja (744× as many), according to runsonwhat (October 2026). 17 companies run both, which is 11% of Senja's customers.
What are the most popular alternatives to Senja?
By the number of companies using them, the most used Marketing tools other than Senja are Mailchimp (110,094), Brevo (76,927), Klaviyo (33,734) and Ahrefs (22,031), according to runsonwhat (October 2026). Not every tool in a category does the same job, so check each one's page; runsonwhat ranks all Marketing tools at https://www.runsonwhat.com/tools/marketing-automation.
What other tools do Senja customers use?
Senja customers use ImageKit, Mux and ProfitWell far more often than the average company. For example, 6.8% of Senja customers also run ImageKit, 97× the rate among all companies runsonwhat tracks, and 17% run Mux.
How does runsonwhat know a company uses Senja?
runsonwhat reads public records only. For Senja, that means Senja's code on the company's website or in its tag manager or Senja on the company's own subprocessor list. A company is listed only when one of these direct records is present, and each match keeps the record it came from. DNS is rechecked weekly and websites about monthly.
ImageKitMedia & UI97×more likely
MuxMedia & UI97×more likely
ProfitWellPayments & Billing81×more likely
HyrosAnalytics70×more likely
ClickFunnelsWebsite & CMS25×more likely
RB2BSales & CRM19×more likely
ZapierDev Tools17×more likely
HubSpot App DeveloperDev Tools14×more likely
PostHogAnalytics14×more likely
IntercomSupport & Docs10×more likely
ResendEmail Delivery6.2×more likely
WebflowWebsite & CMS6.1×more likely