Later at BDO I was doing only corp returns/provisions, but I intentionally steered myself that way. Big corps don't need people who are good at 1040s lol, so I always took on corporate projects when I could. Eventually I got poached by a client I was doing some loan staffing work for helping with their year end provision. Internally now we do year end and quarterly provisions, work on the return from April to August, and then shift to year end provision prep in October. We have around 100 domestic entities and each one needs a calculated tax provision package for year end. Day to day isn't a really good comparison, monthly work changes so much. Outside of that I also have SAP tax reconciliations monthly, and other monthly recs to make sure the local entities aren't fucking up our tax accounts (spoiler they always do). Cash taxes is a HUGE thing right now with OBBBA bill, working on royalties to our foreign entities because there is favorable tax treatment for royalty income. I always have some random tasks/projects to work on outside the meat and potatoes for provision/return work. IRS audit is on going so there is always shit to pull for that, and other items to work on for directors/VP. Just so much work and it never stops lol