Sian Cox

Boston, Massachusetts, US 7:29 AM (AST) Local Time




About Sian Cox

Sian brings to her voiceover work a wealth of experience from the performance world. Conservatory trained in acting and voice, she has appeared in or been the voice behind numerous television and radio commercials and radio drama. Sian offers her distinctive sound and directable talent for your advertising projects - smooth, lyrical, articulate, intelligent, confident, professional, corporate, authoritative, trustworthy, warm and believable. Pack a powerful punch with a polished and reliable world class voice for your TV and radio commercials, narrations, audiobooks and more.

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Vocal Characteristics


English (North American)

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Voice Ages

Middle Aged (35-54), Senior (55+)


British, England - London (Cockney, Estuary, East End), Irish, Latino, North American, Scottish (Standard Scottish English), US New England (Boston, Providence), US New York (New Jersey, Bronx, Brooklyn), US South (Deep South, Dixie, Delta), US South West (Texas)

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Voice Over Skills

Animation Movie Trailers Documentaries Audiobooks Elearning Radio Ad Telephone Videogames Podcasting Television Ad Video Narration Online Ad

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Turnaround Time

Generally within 24 hours, or sooner if requested


Rode NT1-A Studio Condenser Microphone

Computer & Software

PC/Adobe Audition

Special Equipment

Focusrite Scarlett 2i2 Audio Interface

Service Overview

Voice Over

Edited and finished voice tracks

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Voice Over Testimonials

Ms. Cox was more than helpful in updating our phone messaging system. She was easy to work with, offered suggestions for improvements and was professional at all times. We received numerous comments from both our patients and referring physicians about the quality of our new message. I would strongly recommend her for voiceovers or narration at any business.

Timothy A. Taylor - New England Orthopedic Surgeons



Ben Lee

Jan 26, 2019

Very punctual and professional work! Thank you!!

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Created by Agent

Mar 16, 2018

Wonderful VO talent for our project. Sian delivered files on time and as requested.

Read More (Jamie Diamond)

Jan 24, 2018

More Information

How do I work with Sian Cox?

You can start working with Sian Cox in three simple steps:

  1. Invite Sian to respond to your new or existing project.
  2. Review Sian's proposal, portfolio, and quote after they've replied to your invitation.
  3. Hire Sian Cox.

You can learn about how Voices works here.

How do I pay Sian Cox?

Payment to Sian Cox is managed through our SurePay™ payment protection service in a few simple steps:

  1. Pay securely by Visa, Mastercard, or PayPal directly through Voices.
  2. Voices holds your funds until you're satisfied with Sian's work.
  3. When the work is done, download your files.