Technologies / Google / Postmark
Companies using Google and Postmark
158 companies in our data have public evidence for both Google and Postmark, and 101 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.
Companies using one are 2.1 times as likely as the average company in our data to show evidence of the other.
The companies
Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.
Subprocessor listPrivacy policyWebsiteJob postings
| Company | Postmark | |
|---|---|---|
133 more companies
See every company using both Google and Postmark, with the source for each.
Create a free accountWork email, no card. Already have one? Log inThe two technologies
The Google app is a mobile app from Google that lets users search for answers, explore their interests, and ask questions using text, voice, or their camera. It is used to find information and get help through features such as AI Mode, Google Lens, AI Overviews, and Search Live.
Summarized from play.google.com on 8 Nov 2026.
3% of the 4,646 companies we see using Google also show the other.
All 4,646 companies using Google1,985 name it as a subprocessorMore in Cloud and infrastructure
Postmark
by ActiveCampaign · Email and communicationsPostmark is an email delivery service that sends transactional emails for applications through its API and SMTP service. It is used by developers and companies to send emails such as order notifications and account messages, with the page describing it as focused on inbox deliverability.
Summarized from postmarkapp.com on 8 Nov 2026.
41% of the 390 companies we see using Postmark also show the other.
All 390 companies using Postmark345 name it as a subprocessorMore in Email and communications
Industries
Among the companies above, by our own classification of their homepage.
Other pairs
Companies with their own evidence for both.
More with Google
Questions
How many companies use both Google and Postmark?
158 companies in StrataDB's data have public evidence for both, and 101 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.
Which companies use Google and Postmark?
Aeva AI, Akiflow, Anymail Finder, Aubrium and Babbily, and 153 more companies. Each one links to the evidence behind it.
How does StrataDB know a company uses Google and Postmark?
From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.
Find every company using Google and Postmark
See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call