Uchafbwyntiau perfformiad eraill:wedi pasio’r £1 biliwn o refeniw treth (ers dechrau rheoli treth ym mis Ebrill 2018)wedi adennill £1.6 miliwn yn ychwanegol o ganlyniad i ymyriadau a datgeliadau treth, lle na chafodd y dreth iawn ei thalu ar yr adeg iawnwedi derbyn adborth cadarnhaol gan ddefnyddwyr gyda 92% yn ei chael hi'n hawdd defnyddio gwasanaethau'r awdurdod trethyn y 3 uchaf ar draws mwy na 100 o gyflogwyr yn Arolwg Pobl Blynyddol y Gwasanaeth Sifil
Other performance highlights:surpassed the £1 billion tax revenue mark (since starting to manage tax in April 2018)recovered an additional £1.6 million from tax interventions and disclosures, where the right tax was not paid at the right timereceived positive feedback from users with 92% finding the tax authority’s services easy to useranked in the top 3 across more than 100 employers in the annual Civil Service People Survey