SAR
Services Attach Rate
aka Attach Rate, Attach Ratio
The attach rate, also commonly referred to as an attach ratio, is the number of add-on products/units sold in relation to a primary product/unit. [1]
Primary
[1] Retrieved May 21, 2021, from https://www.key.com/kco/images/2019_KBCM_saas_survey_102319.pdf
[2] . Retrieved May 21, 2021, from https://blog.hubspot.com/sales/attach-rate