There is a variety of places in which you can find the best logos that are free to use commercially of the entire world. Often times you have to look for words such as “creative commons”, “public domain images”, or simply “commercial use” with of course the added word logos, graphics, stock images, photo, clip art, or whatever may be associated in order to find the most relevant graphics for your use in any type of marketing scenario.
Often times people struggle to find a good picture but in reality, it’s not that hard. There are literally thousands of places in which you can find a good graphic, of course. Going over all of these types can take quite some time so personally, i’m just going to list my favorite which is that of,
https://www.flickr.com/creativecommons/
The reason this is my favorite is because not only does it make it easy to find commercial use images, but allows you to sort them even easier by what’s free and what’s not. Just make sure you take the time to find the proper license that fits your needs. Whether you need it for commercial use, blog use, or whatever, really!
Another source of which I am aware of is,
Which in fairness, is much easier to access and navigate but it may take you a bit longer to find what you’re looking for.
Most people don’t realize places like Flickr are out there and tend to spend too much on logos when there are decent quality logos out there that are free. Of course, if you’re looking for a logo for your place of business it might be a good idea to invest rather than use one that many others may have used for their blog posts.
Here is some more information about Flickr and finding graphics: