Yes, partners can be added to your policy. If you have been living together for more than 3 years, your partner will already be covered under the definition of ‘spouse,’ and you do not need to specifically list them on the certificate.
If you and your partner have lived together for less than 3 years, you can include them as an additional leaseholder or deedholder during the quote process, provided their name appears on the lease agreement or on the property ownership documents.