Are there any tax compliance integrations that actually help e-commerce businesses?

Hi guys,

I'm starting up my own store in the UK and plan to sell to Europe and USA. I've heard that sales tax compliance is really painful and there aren't any worthwhile integrations to help me with this. Is this true? Have you come across any good ones? The ones I've been told about are Avalara and TaxJar? But I don't think these actually help at all with tax compliance? WordPress ...