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Technologies / 1Password / Slack

Companies using 1Password and Slack

38 companies in our data have public evidence for both 1Password and Slack, and 37 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.

38companies use both
59%of 1Password users
2%of Slack users
37name both as subprocessors

Companies using one are 7.2 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

Company1PasswordSlack
Alto IRAaltoira.comAlto provides retirement-account infrastructure for investing in private markets, including self-directed IRAs, a marketplace, and a private deal room.Fintech
Anuvianuvi.ioAnuvi provides COBRA administration software and support, including enrollment tracking, premium remittance, notifications, and compliance tools.Compliance and risk
Buzzboldbuzzbold.comBuzzbold provides Salesforce consulting, implementation, managed services, and migration support for nonprofits, including moving from NPSP to Nonprofit Cloud.Consulting and services
Cavellcavell.aiCavell is an AI assistant that listens in during consultations and takes over administrative work such as medical reporting.AI and machine learningHealthcare
ed.linkEdlink provides a unified API that helps edtech companies build and scale integrations with learning management systems and student information systems.Developer toolsEducation
FatLab Web Supportfatlabwebsupport.comFatLab provides managed WordPress hosting, maintenance, security, and developer support.
Firefly Learningfireflylearning.comFirefly provides software for schools that brings teaching, learning, parent engagement and school management tools together in one integrated space.Education
Flexpa USAflexpa.comFlexpa helps patients share health records from insurers, medical record systems, and nationwide exchanges.Healthcare
Formanceformance.comFormance provides an open-source programmable ledger for fiat and digital assets that models flows of funds and tracks balances in real time.Fintech
FundAppsfundapps.coFundApps provides software that automates compliance monitoring and regulatory reporting.Compliance and risk
Gateway.fmGateway provides managed blockchain infrastructure, tokenization, payments and settlement, and privacy tools for institutional digital finance.Crypto and blockchainFintech
Greenlygreenly.earthGreenly provides a platform for companies to measure, report and reduce their carbon and environmental footprint, including product-level assessments.
Guestwiseguestwise.techGuestwise provides an AI-powered sales and marketing platform for hospitality operators, including marketing optimisation and an AI hospitality concierge.AI and machine learningMarketing
Denadaheydenada.comDenada is a chat-to-create email marketing agent that handles creative, copy, code, versions, translations, and approvals.AI and machine learningDesign and creative
Ikona Analyticsikonaanalytics.comIkona Analytics helps enterprise HR teams turn organizational knowledge into priorities, designs, and requirements for change.Data and analyticsHR and recruiting
inseeqinseeq.cominseeq is an AI-native growth company that combines data, AI and growth operators to run go-to-market as one system.Marketing
Intent IQintentiq.comIntent IQ provides identity resolution and cookieless advertising technology for advertisers, publishers, SSPs and DSPs.
INXMinxm.ai
Lab Digitallabdigital.nlLab Digital helps businesses transform their commerce platforms and build scalable, composable architectures.AI and machine learningE-commerce
Magnus Healthmagnushealth.comMagnus Health provides a cloud-based platform for securely managing student health information, including digital form submission, immunization tracking, and permission-controlled access.EducationHealthcare
Marketfuelmarketfuel.comMarketfuel provides software for building and running online stores, including punchout connections, fulfillment automation, and reporting.E-commerce
Matrix Onematrixone.healthMatrix One provides compliance software for life sciences, including requirements, quality management, connected product data, and electronic instructions for use.Biotech and life sciencesCompliance and risk
Medallionmedallion.coMedallion provides an AI-native credentialing platform with workflows for provider enrollment, credentialing, roster management, and monitoring.Healthcare
Marigoldmeetmarigold.comMarigold provides marketing tools that use automation and personalization to reach audiences across channels.Marketing
Mercemurmercemur.comMercemur provides a commerce platform with storefront building, payments, shipping, inventory, marketing and analytics tools.E-commerce

13 more companies

See every company using both 1Password and Slack, with the source for each.

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The two technologies

1Password

Security and identity

1Password is a password manager. It is used to secure human, machine, and agent credentials used in a business.

Summarized from 1password.com on 8 Nov 2026.

59% of the 64 companies we see using 1Password also show the other.

All 64 companies using 1Password63 name it as a subprocessorMore in Security and identity

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.

2% of the 1,926 companies we see using Slack also show the other.

All 1,926 companies using Slack1,335 name it as a subprocessorMore in Productivity

Industries

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

Healthcare5AI and machine learning4Marketing4Fintech3Compliance and risk3Consulting and services3Education3E-commerce3

Other pairs

Companies with their own evidence for both.

More with 1Password

Cloudflare63companiesGoogle Workspace50companiesAmazon Web Services41companiesGitHub39companiesOpenAI31companiesGoogle Tag Manager27companies

More with Slack

Cloudflare1,811companiesGoogle Workspace1,578companiesAmazon Web Services1,297companiesStripe895companiesGoogle Tag Manager880companiesGoogle811companies

Questions

How many companies use both 1Password and Slack?

38 companies in StrataDB's data have public evidence for both, and 37 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 1Password and Slack?

Alto IRA, Anuvi, Buzzbold, Cavell and ed.link, and 33 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses 1Password and Slack?

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 1Password and Slack

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
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