Printing a document, signing it by hand, scanning it back, and emailing the scan is a workflow that wastes 15 minutes and requires both a printer and a scanner — neither of which most people have at home. An electronic signature on a PDF is faster, neater, and legally accepted for the vast majority of documents in Kenya.
The Information Communications Technology Act and the Kenya Information and Communication (Electronic Certification and Domain Name Administration) Regulations recognise electronic signatures in Kenya. For most commercial documents — contracts, agreements, offer letters, invoices, consent forms — an electronic signature is valid. The exception is documents that explicitly require a wet (physical) signature under specific legislation: certain land transfer documents, wills, court affidavits, and some government forms still require physical signatures.
In practice, there are three types of electronic signature used in Kenya. A simple electronic signature is any electronic indication of intent to sign — a typed name, a drawn signature, a scanned image of your signature placed on a PDF. This is legally sufficient for most commercial purposes. An advanced electronic signature uses cryptographic methods to bind the signature to the document and the signatory. A qualified electronic signature is the highest level and requires a certificate from an accredited CA.
For day-to-day professional use in Kenya — signing a contract, an NDA, an offer letter, a freelance agreement — a simple electronic signature applied to a PDF is accepted and legally valid. The key principle is consent: both parties need to agree that electronic signatures are acceptable. In practice, sending a signed PDF by email is standard business practice and widely accepted.