Proof of Concept provides a proofreading and copy editing service to customers within the UK. It specialises in academic assignments and work for the public and voluntary sectors. It can also undertake work on web content and business documents of all kinds. Proof of Concept can: The company is run by Catherine Ebenezer, who holds postgraduate qualifications in theology and information science, and is the author of numerous articles on aspects of librarianship. The service is designed to be flexible, cost effective and tailored to the needs of the individual, helping clients to improve the presentation of their work. The 'track changes' and comments features of MS Word-compatible word processing software are used to edit and annotate documents. References can be verified from a wide range of bibliographic sources. The service costs £17.00 per hour. A free estimate can be provided, based on the first 500 words. Proof of Concept's customer base currently includes academics and students across a range of disciplines. In the past, Catherine has undertaken extensive editing of web content and publications for a professional association. Prospective customers should check their institution's policies regarding academic misconduct / unfair means, where applicable.