Many documents have the apostille without any additional notarisation or solicitor certification. When a document contains a recognised official signature, stamp or seal, further notarisation/certification is not required and should not be added.

Common documents that DO NOT need notarising/certifying include –

Birth Certificate
Marriage Certificate
Death certificates
Adoption Certificates
Certificate of No Impediment to Marriage
Decree Absolute or Decree Nisi with ‘wet ink’ court stamps
Court documents & Probates with ‘wet ink’ court stamps
Certificates of Good Standing
Companies House Registrar signed socuments
HM Revenue and Customs letters signed by HMRC officer
Certificate of Residence documents signed by HMRC officer
ACPO, ACRO, NPCC, Police letters

This list is not exhaustive!