Yeah, this article is really focused on FCC certification. But to your point, there are other sections on the site that are focused on CE certification and how to navigate getting certified so you can sell throughout the world.

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c-c-c-c-c 3 hours ago | parent [-]

Yes thats evidently clear but you usually don’t need external accreditation if you do in house testing and keep a compliance file for the product, this applies for both the US and EU.

In-house emc testing is quite fun and you dont need much more than a spectrum analyzer, antenna and E/H-field probes.

	▲	adrian_b 3 hours ago \| parent \| next [-]
		In-house EMC testing is practically always required before you go to an external lab, unless you want to waste a lot of money by discovering at the lab that your device cannot be certified. When done just for this purpose, it can be done much more cheaply than at a proper lab, because you do not need very accurate results.
	▲	chambertime 3 hours ago \| parent \| prev [-]
		Well there's a bit more to it than that. It depends on if you're making an intentional radiator. I have another flow chart on the site that helps you figure out if you need to send your device to a testing lab or not.