About the author

Oliver Wakefield-Smith, founder of Digital Signet, built ebitcalculator.com. The site is independent and ad-free. Numeric content is reviewed quarterly against the 10-Q filing season cadence by a named CPA reviewer^[AICPA].

Author

Oliver Wakefield-Smith. Founder, Digital Signet. LinkedIn:linkedin.com/in/oliverwakefieldsmith. Prior portfolio includes freecashflowcalculator.com,siemcostcalculator.com, and other independent calculator and reference sites under the Digital Signet imprint.

Reviewer

The site engages a named CPA reviewer on a quarterly attestation cadence. The reviewer's credential link is published in the AttestationStamp at the foot of every page. The reviewer's role is to (a) verify the figures in worked filing examples against the underlying 10-K, (b) confirm sector-median citations against the Damodaran source, and (c) flag any methodology statement that diverges from FASB ASC or SEC Reg G.

Independence and funding

Digital Signet funds ebitcalculator.com directly from its other portfolio sites. No advertising, no affiliate links, no gated content, no email collection. The site exists as a free reference for the analyst audience.

See primary sources, changelog, and FAQ.