I have a theory (unprovable, but somewhat supported by experience) that your organizational logo can only help you a little when it's good, but it can hurt you a lot if it's bad.
Here are some tips from The Duck Call for designing the non-bad type of logo: Don't let your logo trip you up.
A good logo:
- Doesn't have to show everything your organization does.
- Doesn't even have to show anything your organization does.
- Doesn't have to include an illustrated mark.
- Can turn around a disadvantage.
- Can make people look (and think) twice.