A standard operating procedure sounds corporate, but it is just a written answer to “how do we do this here?” It is the single most scalable thing a small business can build, and your first one takes less time than you think.
Start with a task you do often
Do not try to document everything. Pick one recurring task, the kind you explain to people repeatedly, and capture it. High-frequency tasks give the fastest return on the time spent writing them down.
Capture it while you do it
The easiest way to write an SOP is to record yourself doing the task once, then turn that into simple numbered steps. Include the why behind any judgment calls, that context is what makes the difference between a checklist and a real procedure.
Keep it simple and living
An SOP does not need to be polished. A clear list of steps that someone else can follow is enough. Store it where your team can find it, and improve it whenever reality reveals a gap. The best SOPs are edited often, not written once and forgotten.
Then hand it over
The payoff comes when you hand the SOP to someone else and the task simply gets done, the same way, without you. Build a handful of these and you have turned your knowledge into a system.