Pardon the joke.
Aglet Solutions
A variant of this group can exist at any point of a particular society’s technological or social development. Provided, of course, that the society has access to resurrection or general necromantic magic. Aglet Solutions exists to counter such magic, for the noblest of reasons: people will pay them extremely well to do so.
The pay is good because this is actually a surprisingly popular service, particularly in worlds where the resurrection process can or does have extremely nasty side effects. There is a lot that necromancy can do with a person’s corpse, and some of it can be only be prevented or reversed by people who are effectively necromancers themselves, if only theoretical ones. Magicians who discover that they simultaneously have a talent for death-related magic and a basic ethical sense are Aglet Solution’s preferred candidates for employment, as the group gives them an opportunity to practice their art in a non-corrupting manner.