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Technologies / Slack / SmartLead

Companies using Slack and SmartLead

6 companies in our data have public evidence for both Slack and SmartLead, and 3 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.

6companies use both
under 1%of Slack users
60%of SmartLead users
3name both as subprocessors

Companies using one are 7.3 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

CompanySlackSmartLead
MinIOmin.ioMinIO provides an AI data and memory foundation built on open formats, including object storage, AIStor Memory for AI agents, and an AI-ready lakehouse.AI and machine learningCloud and infrastructure
Relevance AIrelevanceai.comRelevance AI provides a platform for building and deploying AI agents that automate business tasks.AI and machine learning
Multiplierusemultiplier.comMultiplier provides an employer of record, contractor of record, global payroll, and immigration support for hiring and paying teams across countries.HR and recruiting
Fireboltfirebolt.ioFirebolt is an analytical database that runs as a single binary on a laptop or scales to a cluster in the cloud.Data and analytics
ListPluslistplus.aiListPlus helps CRM teams, RevOps and GTM engineers find B2B leads and check and enrich contact data.Sales
unifyunify.aiUnify provides continual learning for AI teams, with models that keep learning from every user interaction.AI and machine learning

The two technologies

Slack

by Salesforce · Productivity

Slack is a collaboration platform where teams chat, share files, and work together in channels. It is used for team communication, connecting apps and agents, and automating everyday work.

Summarized from slack.com on 8 Nov 2026.

under 1% of the 1,973 companies we see using Slack also show the other.

All 1,973 companies using Slack1,373 name it as a subprocessorMore in Productivity

SmartLead is an AI-powered cold email and outbound sales platform that helps teams set up, run, and manage email outreach. It is used to send cold email campaigns, improve email deliverability, find verified leads, and manage replies in a shared inbox.

Summarized from smartlead.ai on 9 Nov 2026.

60% of the 10 companies we see using SmartLead also show the other.

All 10 companies using SmartLead6 name it as a subprocessor

Industries

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

AI and machine learning3Data and analytics2

Other pairs

Companies with their own evidence for both.

More with Slack

Cloudflare1,851companiesGoogle Workspace1,610companiesAmazon Web Services1,325companiesStripe915companiesGoogle Tag Manager892companiesGoogle827companies

More with SmartLead

Cloudflare10companiesGoogle Workspace9companiesAnthropic7companiesAmazon Web Services6companiesGoogle Tag Manager6companiesSentry6companies

Questions

How many companies use both Slack and SmartLead?

6 companies in StrataDB's data have public evidence for both, and 3 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 Slack and SmartLead?

MinIO, Relevance AI, Multiplier, Firebolt and ListPlus, and 1 more company. Each one links to the evidence behind it.

How does StrataDB know a company uses Slack and SmartLead?

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 Slack and SmartLead

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