Zembula
Data driven email personalization at scale for enterprise retail brands w/ a guaranteed minimum 11x return on spend
12 employees · est. 2013 · Portland, United States
Zembula is the older company (2016 vs 2013).
Side-by-Side Comparison
| Metric | Passendo | Zembula |
|---|---|---|
| Founded | ||
| Founded | 2016 | 2013 older |
| Headquarters | ||
| Headquarters | Denmark | Portland, United States |
| Employees | ||
| Employees | 27 | 12 |
| Industry | ||
| Industry | Advertising, Marketing | Platforms, SaaS, Marketing |
| Funding Stage | ||
| Funding Stage | Seed | Series Unknown |
| Total Funding | ||
| Total Funding | $3.77M | $5.66M |
| Funding Rounds | ||
| Funding Rounds | 5 | 4 |
| Services | ||
| Services | Email advertising platform, Newsletter monetization, Ad serving solutions | Not tracked yet |
| Target Customers | ||
| Target Customers | Publishers, B2B and B2C media groups, Sales houses, Data-rich organizations, Advertisers | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Programmatic Email Advertising, Email Marketing, Online Advertising, Premium Media, SSP, Email Adserver, Native Advertising, Display Advertising, People Based Marketing, Publisher Network, Ad Tech, Monetization, Brand Awareness, Revenue Stream | Email Marketing, Personalization, Interactive Advertising, Marketing Software, Reveal Marketing, Dynamic Email |
| Website | ||
| Website | passendo.com | zembula.com |
About Passendo
Passendo is a Denmark-based startup founded in 2016 with the slogan "Igniting the power of in-email advertising." The company operates as a programmatic e-mail advertising network, offering new and innovative marketing features through a premium email publisher network. For advertisers, Passendo sim...
About Zembula
Zembula is a SaaS startup that aims to help brands increase revenue and improve customer experience through personalized content using the data they already have. Founded in 2016 by Robert Haydock and Carl Thorner, Zembula addresses the gap in the data marketers use in campaigns and the data they ac...
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Funding, hiring, leadership and stack changes at Passendo and Zembula — by email.
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Compiled from the BounceWatch company index. We last looked at Passendo on 25 Mar 2025, and Zembula on 14 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.