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Technologies / FastSpring / HubSpot

Companies using FastSpring and HubSpot

8 companies in our data have public evidence for both FastSpring and HubSpot, and 5 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.

8companies use both
28%of FastSpring users
under 1%of HubSpot users
5name both as subprocessors

Companies using one are 1.5 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

CompanyFastSpringHubSpot
Action1action1.comCybersecurity
Ahrefsahrefs.comAhrefs provides SEO and marketing tools for search analytics, keyword research, site audits, and brand visibility tracking.AI and machine learningMarketing
DataForSEOdataforseo.comDataForSEO provides SEO and digital marketing data through APIs and databases.Data and analyticsDeveloper tools
Enpassenpass.ioEnpass provides password and passkey management software that stores encrypted credential data in the customer's own Microsoft 365 or Google Workspace environment rather than on Enpass servers.Cybersecurity
Zonka Feedbackzonkafeedback.comZonka Feedback provides customer feedback surveys and AI feedback intelligence that collects feedback across channels and analyzes it in real time.AI and machine learningCustomer support
Finsifinsi.aiFinsi provides AI agents that work from a single data warehouse with shared metric definitions, and lets teams connect their own agents over MCP or API.AI and machine learningE-commerce
Astra Securitygetastra.comAstra provides continuous penetration testing and vulnerability scanning for applications, APIs, and cloud infrastructure.Cybersecurity
Snov.ioSnov.io provides tools for finding leads, verifying emails, and automating email and LinkedIn outreach campaigns.Sales

The two technologies

FastSpring

Payments

FastSpring is an all-in-one payments, subscriptions, and automated tax compliance platform. It is used to sell SaaS, software, and digital goods globally and to handle sales taxes and VAT.

Summarized from fastspring.com on 8 Nov 2026.

28% of the 29 companies we see using FastSpring also show the other.

All 29 companies using FastSpring14 name it as a subprocessorMore in Payments

HubSpot

CRM and sales

HubSpot is a customer platform that brings together marketing, sales, and customer service software on one agentic platform. It is used for marketing automation, sales, customer service, content marketing, data management, and billing and payments.

Summarized from hubspot.com on 8 Nov 2026.

under 1% of the 4,292 companies we see using HubSpot also show the other.

All 4,292 companies using HubSpot1,143 name it as a subprocessorMore in CRM and sales

Industries

Among the companies above, by our own classification of their homepage.

Cybersecurity3AI and machine learning3Marketing2

Other pairs

Companies with their own evidence for both.

More with FastSpring

Cloudflare29companiesGoogle Workspace19companiesGoogle Analytics18companiesAmazon Web Services16companiesGoogle12companiesGoogle Tag Manager12companies

More with HubSpot

Cloudflare4,228companiesGoogle Workspace3,079companiesGoogle Tag Manager2,824companiesGoogle Analytics1,945companiesAmazon Web Services1,709companiesWebflow1,160companies

Questions

How many companies use both FastSpring and HubSpot?

8 companies in StrataDB's data have public evidence for both, and 5 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 FastSpring and HubSpot?

Action1, Ahrefs, DataForSEO, Enpass and Zonka Feedback, and 3 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses FastSpring and HubSpot?

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 FastSpring and HubSpot

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