# Codelmark > Codelmark is a cryptographic data integrity service that applies time-stamped, verifiable signatures to digital assets - creating immutable records that protect against tampering, fraud, and dispute. Operated by The Ascent Group Ltd from Monmouth, United Kingdom. ## Key Differentiators - **Blockchain-free** - Codelmark's immutability technology pre-dates blockchain and operates without distributed-ledger overhead. - **Post-quantum secure by design** - cryptographic primitives chosen to remain robust against future quantum-computing attacks. - **Already deployed** - partnered with VERO True Social for IP ownership authentication and content provenance. - **35+ years of pedigree** - founded by James Zorab; Codel/The Ascent Group has been a pioneer in data immutability, tokenisation, and digital notarisation since 1990. - **Court-admissible evidence** - marks are anchored to a trusted time authority and independently verifiable by any party, with no central authority required. ## Core Pages - [Homepage](https://www.codelmark.com/index.md): Overview, technology pillars, and target industries - [Use Cases](https://www.codelmark.com/use-cases.md): Detailed industry applications - healthcare, finance, supply chain, media, AI, cyber security, education, manufacturing - [Media & Resources](https://www.codelmark.com/media.md): Downloadable factsheets - 1-pager, full factsheet, technical summary ## Optional - [Full corpus](https://www.codelmark.com/llms-full.txt): Complete site content as a single Markdown document ## Contact - enquiries@codelmark.com - +44 1600 772023 - Monmouth, NP25 5AT, United Kingdom