13 part expanding file, I use one of these per person. Amazon https://amzn.to/44oqC2U
3 tier wall tray, useful for sections: kids, bills, to-do. Amazon https://amzn.to/44cWxD8
Heavy duty tape dispenser, I use parcel tape and a clear tape. Amazon https://amzn.to/3PJDWKA
Bamboo monitor stand with drawers-to keep your desk clear. Amazon https://amzn.to/3D7vIVe
Dymo labeller. I don't leave home without it. Amazon https://amzn.to/44jeujB
Sturdy and stylish magazine file, to keep documents Amazon https://amzn.to/3pxh6LG
A4 storage box, useful for old paperwork, or photographs. Amazon https://amzn.to/46E7mjg
Bamboo storage box, for keeping desk tidy or for ink/cables. Amazon https://amzn.to/3JP6PRM
I use these items in most homes I visit. These 8 items help keep your desk clear and give you systems to keep paperwork organised and the office tidy.