KVIKU AND FINBRO OVERDUE

Hello mga ka op. 27M, currently employed pero malapit na mag resign due to personal reason. 1 week nako overdue sa Kviku and finbro pero naka Offsim ako. Do i need to email them regarding my situation or dedma nalang. Di ko mababayadan due to other bills and mahohold sahod ko kaya ipapa overdue ko talaga muna. Need help guys kung ano maganda gawin. Thank you