No matter whoz u choose big brands to local seo agencies mostly resell their projects. They just work as a face but backend goes to third world countries like India philipines pakistan. They are just deal with u take their bigger cut near 50-60 and spending hardly 30-40%

What you gets

They get more money from u and hire a cheap one to work for u.

They show them very professionally but they are just a junk a gold digger

End of the story cut the middle man and deal with direct any expert who have experience in working on live projects.

No matter people show u a big success and big move but it’s all depends on many things it’s just a dream. Most of time you end with switching company and process start again from the starting