# EOR Migration > Employment-migration guides, provider comparisons and research published by Heddle. Each publication states its scope, dates, sources and limitations. HTML is the canonical version; the linked Markdown presents the same publication content. ## Publications - [Switching EOR providers]() — [HTML]() - [Moving from an EOR to your own entity]() — [HTML]() - [Moving employees from your entity to an EOR]() — [HTML]() - [Moving between contractor and employee status]() — [HTML]() - [Changing or leaving a PEO]() — [HTML]() - [Planning a multi-country employment migration]() — [HTML]() - [Employment migration in the United Kingdom]() — [HTML]() - [Employment migration in the United States]() — [HTML]() - [Employment migration in the Netherlands]() — [HTML]() - [Employment migration in Switzerland]() — [HTML]() - [Employment migration in South Africa]() — [HTML]() - [What does changing employment provider really cost?]() — [HTML]() - [Top 20 EOR providers: scores and migration evidence]() — [HTML]() - [Scoring methodology and evidence standards]() — [HTML]() - [Editorial standards and authorship]() — [HTML]() - [AI instructions: facts about EOR Migration]() — [HTML]()