We Accept Walk in Notary & Document Legalisation Clients. Louwrens Koen Attorneys. Notarisation for business & personal documents to use abroad. If you’re sending South-African documents overseas, they may need notarisation first. An experienced notary can witness signatures and authenticate on a wide range of legal and company documents, certificates, and declarations. Whether you’re setting up a business abroad, need to send an attested degree certificate to China. We can assist.