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Sigma Publishers

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LAST UPDATED: August 27th, 2024

Sigma Publishers is a book publishing and marketing agency that specializes in helping authors construct and publish their stories. Sigma offers a wide range of services including, but not limited to, ghost writing, editing, formatting, audiobook creation, and more. 

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The Good

  • Wide Range of Services
  • Sigma Publishers Editorial Team
  • Free Consultations

Wide Range of Services

Sigma Publishers offers an impressive range of services, including the following:

  • Ghost writing
  • Editing
  • Proofreading
  • Publishing
  • Audiobook creation
  • Book promotion
  • Book marketing
  • Formatting
  • Ebook writing
  • Blog writing
  • Website content writing
  • Amazon book publishing
  • Article writing
  • Book video trailer creation
  • Book cover design
  • Author website creation

No matter your project, you’ll be assigned an account manager that will keep you up to date on all progress. In addition, the company indicates that all your work will be kept confidential and will not be published anywhere without your consent.

Sigma Publishers Editorial Team

Sigma Publishers boasts a team of experienced editors and proofreaders who ensure that the content is not only accurate but also engaging and accessible — writers can accommodate specific tone and style requirements that you may have.

Free Consultations

Sigma Publishers offers free consultations for all services, providing you with an opportunity to discuss your project with a company representative. During this consultation you’ll be able to ask any questions you may have, and you will likely receive a quote for your project.

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The Bad

  • Limited Online Presence

Limited Online Presence

Sigma Publishers has a very limited online presence. Beyond its website, it’s difficult to find any other information about the company elsewhere, and it’s difficult to find any of its publications (some books mentioned in case studies on the Sigma Publishers website appear to be available on Amazon).

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The Bottom Line

Sigma Publishers is a book publishing and marketing agency that specializes in ghost writing and editing services — the company offers a wide range of services that extends to audiobook and ebook creation. The Sigma Publishers team is composed of experienced writers, editors, and proofreaders that can help your story ideas come to life.

It’s worth noting that Sigma Publisher’s online presence is very limited and it’s difficult to find any presences of its published works.

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