Kiwi.com -

They offer help with research papers, custom essays, and technical assignments.

If you are looking for a "solid essay" in a literal sense—such as a writing contest or service—there are two prominent entities: kiwi.com

SolidEssay.com hosts a recurring scholarship essay contest for students. They offer help with research papers, custom essays,

This is a professional academic assistance service where students can find experts for various assignments. They offer help with research papers

The platform emphasizes confidentiality, plagiarism-free work, and a secure payment system where funds are only released once the student is satisfied. Scholarship Essay Contest | SolidEssay.com