Happy new Year.  I'm trying to figure out how I can take existing objects, and align them all at the same angle, relative to the angle of another object.  First off, in the example below, although it looks like text, which may offer a simpler solution, the objects are actually complex logos that usually include some type of text, but the objects would already have been converted to paths by the time I'm trying to do this.   The three logos would already be on the page, and I need them all to be parallel with each other, but in relation to the angle of Object A.

This is what I am starting with:

This is where I'm trying to get: (Disregard that Object A is now at a different Angle that above.  What I'm trying to illustrate is that they are all parallel with each other)

Not 100% I can follow your description.

If it´s about applying the same rotational angle from one object to another you can open the XML editor, select one value - select the next object hit the "+" button - enter "transform" and paste the degree value and hit enter to apply.

Here I copy&paste the transform value from "OBJECT A" to "OBJECT C":

Thank you so much for the reply.  I'm learning a lot here, and that certainly helps me understand some things, but for my example, sadly, the objects were all rotated with the handles.  

The objects in my actual file each have these values on the transform line.  

A: rotate(0.29962907,496.92158,921.92397)

B: rotate(0.7335709,337.14031,918.52715)

C: rotate(-0.07044367,-3950.0346,-5473.4457)

These values represent me manually trying to rotate the objects to get the close....   If

Then get help from a guide:

OH MY! This will help, tremendously.  I'm still learning a lot!  For some reason, when I try to move the "rotational center point" to the guide, it doesn't snap, although everything else snaps.   What am I missing here? Thanks again!

Not on my machine right now - but there's a snap-to-guide option in the snapping settings you might want to check.

I think we're good here! Found I didn't have "snapping to object rotation center" selected.   Thank you so much for the help!

Ok - glad you got it sorted. Have fun.