Some websites allow you to choose the thesis helper. You get a lot of all the thesis helpers available and their professional qualifications are also mentioned besides their name. You can contact these thesis helpers and send your topic and abstract to these professionals, the professionals will then review the topic and will accept to work on the thesis only if they have the required knowledge to finish the thesis. This way you get an option to allow professionals to work on your thesis and once this is done, you can submit the thesis as your own. There are hundreds of websites offering and these websites have their own thesis helpers.