b2c seo

Starting to work on this B2B site. It centers around B2B, but also has B2C aspects. What should I do first? The company wants more serious buyers who are willing to buy up in Bulk. Any advice is welcome. Idk if this info is necessary, but the company sells 3D Filaments for 3D printing -...

I have a website or you can say an App. I want to invite/register business owners to sell their products or services through my website/app. In the mean time I also want to attract consumers to buy the products/services using this app/website. What will be the effective to achieve my goal...