Knowing what type of writing you want to undertake is the first step toward becoming a freelance writer.
Learn the basics of SEO(on-page, off-page, technical)
The following step is to compile a portfolio. You can also create a website in a niche of your choice to exhibit your writing abilities as well as your ability to rank on Google.
Learn how to make a client pitch.
Develop your writing style.
Accept any work when you first start, even if it isn't to your liking, and accumulate testimonials. As long as you follow these guidelines, you can begin your journey to become an effective freelance writer in the UK.