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Technologies / Quaderno / Sentry

Companies using Quaderno and Sentry

3 companies in our data have public evidence for both Quaderno and Sentry, and 2 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.

3companies use both
60%of Quaderno users
under 1%of Sentry users
2name both as subprocessors

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

CompanyQuadernoSentry
Marker.ioMarker.io is a website feedback tool that lets reviewers annotate live pages and send issues to project management tools.Developer tools
Trinttrint.comTrint provides AI transcription, translation, and summarization tools for audio and video content.AI and machine learningMedia and entertainment
Elementelement.ioElement provides secure communications software built on the decentralised Matrix open standard, including self-hosted and air-gapped solutions.CommunicationsGovernment and public sector

The two technologies

Quaderno

Finance and ERP

Quaderno is a tax compliance platform that calculates sales tax, VAT, and GST and handles tax monitoring, e-invoicing, and filing. It is used to manage global tax compliance across sales channels and countries.

Summarized from quaderno.io on 8 Nov 2026.

60% of the 5 companies we see using Quaderno also show the other.

All 5 companies using QuadernoMore in Finance and ERP

Sentry

by Functional Software · Observability

Sentry is an application monitoring and debugging platform that connects errors, logs, replays, traces, profiles, and metrics under the same trace. It is used by developers to find the root causes of application issues and fix them, from development through production.

Summarized from sentry.io on 8 Nov 2026.

under 1% of the 2,226 companies we see using Sentry also show the other.

All 2,226 companies using Sentry1,643 name it as a subprocessorMore in Observability

Other pairs

Companies with their own evidence for both.

More with Quaderno

Cloudflare5companiesStripe5companies

More with Sentry

Cloudflare2,206companiesGoogle Workspace1,576companiesAmazon Web Services1,192companiesStripe1,146companiesOpenAI925companiesGoogle893companies

Questions

How many companies use both Quaderno and Sentry?

3 companies in StrataDB's data have public evidence for both, and 2 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 Quaderno and Sentry?

Marker.io, Trint and Element. Each one links to the evidence behind it.

How does StrataDB know a company uses Quaderno and Sentry?

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 Quaderno and Sentry

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