SubProcessors
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LTplus AG Subprocessors

qto.app Last scanned: Feb 9, 2026 View source page →
Software

LTplus AG provides professional software solutions for quantity take-off and project management in the construction industry.

Subprocessors 5 Data Flow Change History 2 Insights View Companies Using LTplus 0
Name Category Purpose Country Data Processed
Clerk, Inc. ↗ DPA ✓ Authentication Authentication and user management platform. Handles user login, registration, and session management for QTOpro. USA User identifiers (such as email, user ID), authentication credentials (like password hashes or magic link tokens), and metadata like last login time.
Stripe Payments Europe, Ltd. ↗ DPA ✓ Payment Processing Payment processing for subscriptions and billing. Ireland Contact and billing details (name, email), payment method information (credit card tokens, etc.), transaction amounts, and subscription status.
Vercel, Inc. ↗ DPA ✓ Cloud Infrastructure Cloud hosting and deployment of the QTOpro web application; also provides edge network and analytics. USA All data stored in or transmitted via QTOpro (this includes user account info, uploaded IFC files during processing, API requests, and logs).
PostHog, Inc. ↗ DPA ✓ Analytics Product analytics to help us improve QTOpro's user experience. USA Usage events (e.g. page views, feature clicks), device and browser info, and an anonymous user identifier.
SendGrid ↗ DPA ✓ Email Sending transactional emails (such as account verification emails, passwordless login links, subscription confirmations, and notifications). USA Email addresses of users and email content (which might include your name and details of the transaction or support message).
February 9, 2026
~5 modified
  • ~ Clerk, Inc. (updated: extra_data)
  • ~ Stripe Payments Europe, Ltd. (updated: extra_data)
  • ~ Vercel, Inc. (updated: extra_data)
  • ~ PostHog, Inc. (updated: extra_data)
  • ~ SendGrid (updated: extra_data)
February 9, 2026
~5 modified
  • ~ Clerk, Inc. (updated: extra_data)
  • ~ Stripe Payments Europe, Ltd. (updated: country, extra_data)
  • ~ Vercel, Inc. (updated: extra_data)
  • ~ PostHog, Inc. (updated: extra_data)
  • ~ SendGrid (updated: extra_data)

Summary

5 Total Subprocessors
2 Countries
5 Categories
80% in United States

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