To Improve your SEO you need to have a compelling Title, Description and tags use proper keywords for that you can do keyword research. You can also copy the best keywords of your competitors. Find out where is your broken links and you get any fix it. Your content should be such that it can a shared on social media. The content which you are writing should be unique and relevant to your company. You have to link out to authority sites. The rate of your email outreach should be increased.