Is there any way to find competitor advertisers?

[howard21]

Is there any way to find competitor advertisers who do advertise on Google or on sites who uses google ad services? I am trying to contact them directly.

[mediamonster]

Tools like spyfu can do it for you.

You will find the niche, the advertisers and their contacts too.

[nationwide]

You can also check services like SERstat or SEO Power Suite.

[martinsmith]

SpyFu and SEO Power suite are the tools to find a competitor advertisers

[Goyum]

There are some paid and free tools out there that shows you exactly how your advertisers advertise, how much they spend and so on:

SpyFu Keyword Research Tools
Searchmetrics
Similarweb.com

These are my first choices!