Advertisement my social media profile by reaching the right audience

I have a women's clothing multi designer store Instagram profile page which has already around 12,000 followers I would like to advertise my post and stories and the page properly to the right target audience with minimal ads pending I would like to hire a individual or team which has very good experience in this field the whole advertising campaign will happen in Facebook and Instagram I also have one more Instagram page which is a newly built page even that has to reach the right target audience