The #JoelTest:
1. Do you use source control?
2. Can you make a build in one step?
3. Do you make daily builds?
4. Do you have a bug database?
5. Do you fix bugs before writing new code?
6. Do you have an up-to-date schedule?
7. Do you have a spec?
8. Do programmers have quiet working conditions?
9. Do you use the best tools money can buy?
10. Do you have testers?
11. Do new candidates write code during their interview?
12. Do you do hallway usability testing?
Source:
https://www.joelonsoftware.com/2000/08/09/the-joel-test-12-steps-to-better-code/
@Joachim_Rees olden but golden. Allthough not all of it has survived the times (no new code before bugfixing? Really?), most of these are just as relevant today. But, I would say, some of them are super easy, and a given. Lack of them could be even a red flag.
