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Email

Response Time

We typically respond to all inquiries within 24-48 hours during business days (Monday-Friday, 9 AM - 5 PM CT). For urgent subscription or billing issues, we aim to respond within 24 hours.

Office

Long Arc Research
San Antonio, Texas
United States

(Physical address available to subscribers upon request)

Support Resources

Before You Contact Us

You might find the answer you're looking for in our existing resources:

Common Inquiries

Subscription Issues

For billing, cancellation, or account access problems, email support@longarcresearch.com with your account email and a description of the issue.

Content Feedback

Found an error or have feedback on a specific dossier? We appreciate corrections and suggestions. Email suggestions@longarcresearch.com with the legend name and volume.

Technical Problems

Experiencing bugs, loading issues, or display problems? Email support@longarcresearch.com with details about your device, browser, and the specific issue.

Partnership & Media

For partnership opportunities, media inquiries, or bulk licensing, contact hello@longarcresearch.com.

We Read Every Message

Your feedback helps us improve Long Arc Research. Whether it's a bug report, feature request, content suggestion, or just a note to say hello—we read and consider every message we receive. Thank you for being part of our community of serious learners.