Business proofreading you can trust

Ultimate Proof Ltd is a leading proofreading and editorial company, owned and managed by Kelly Owen. Since 2004, we have provided professional proofreading and editing services to hundreds of businesses, independent education providers, charities and marketing and communications departments across the UK.


Editorial support when you need it

Whatever stage of the process you're at – whether that's drafting the copy, or proofing your final designs before you print or publish – Kelly is here to help.


Teamwork makes the dream work

Send Kelly your brief and she will book your project in with a trained and experienced proofreader the same day. 


Get in touch

How to book

Ready to go? Here's how to get that work off your desk and onto ours


  • Email Kelly. Send an outline of what you need – this might include the word count, the page number, number of documents, deadline, specific style issues, level of intervention needed (proofreading, editing etc).


  • Quick response. Kelly will review your brief the same day and send you a cost to approve along with any queries.


  • Confirm the booking. Simply email Kelly confirming you want to proceed along with your PO number, if relevant.


  • Put the kettle on. You can now rest assured knowing your project is being worked on by a qualified proofreader.


It's as simple as that.


Book now

Kelly and her team are not only thorough but also easy to work with – always responsive and respectful of deadlines. I would confidently recommend their services to anyone seeking high-quality proofreading support.

Marketing Services Manager

Ecclesiastical Insurance

Ultimate Proof are excellent in covering client and audience copy styles, meeting deadlines, providing an attention to detail with a flexibility in accommodating requests.

They deliver easy to follow marked-up proofs and respond to any further client queries. We would highly recommend.

Creative Director

Martin Lock Associates

Other useful things to know

  • Simple quotes. All our projects are quoted according to the work required on an hourly or per word basis – whichever is most cost-effective to you.


  • Let's talk! We love to meet our clients, so if a video call would be helpful, email Kelly to arrange a chat.


  • Try before you buy. We're happy to complete a free sample proofread for your assessment before you order.


  • Quality comes first. Our priority is ensuring your document reads well and is grammatically correct. Our fees are in line with the CIEP's recommended minimum rates.


  • Pay your way. We invoice once the job is complete, or, if you have regular proofreading work, we invoice at the end of each month.

Get in touch

Ultimate Proof Ltd is managed by Cheltenham-based proofreader and project manager Kelly Owen.


Kelly will manage all your editorial needs – whether that's editing your copy directly or managing our small freelance proofreading team, working on multiple projects and complex documents.


The process is easy – with one point of contact, one fixed quote and no hassle.

Get in touch