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Publishing Expertise.
AI Precision.
At Every Stage.

From manuscript to market, S4Carlisle covers every stage of the publishing journey -

one partner, one team, one point of contact. Trusted by over 200 publishers worldwide.

NINJA

The Accessibility Deadline Is Here.
NINJA Gets You There.

TWO REGULATIONS. REAL CONSEQUENCES.

NINJA is S4Carlisle’s AI platform for content quality and accessibility. It automates remediation, validates manuscripts, generates compliant ePUBs and PDFs, and produces the VPAT/ACR documentation your institutional buyers now require. Production-ready AI, backed by our team at every step.

Meet NINJA

Trusted Partner for Academic, Higher Education, Journal, Legal and Enterprise Publishing.

AI-POWERED INNOVATION

YEARS OF
EXPERTISE

50+

GLOBAL DELIVERY CAPABILITY

GLOBAL PUBLISHERS SERVED

200+

ACCESSIBILITY LEADERSHIP

TITLES &
PUBLICATIONS

10K+

PUBLISHING & TECH EXPERTISE

GLOBAL
OFFICES

4

About Us

SERVICES

We combine cutting-edge AI tools with global delivery to help publishers scale efficiently and thrive in rapidly evolving markets.

Here's Everything Your Publishing Program Needs

Content Development

Writing, developing, and enhancing content across books, journals, and ancillary products.

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Production Services

High-quality typesetting, composition, and design for books, journals, technical documents, and magazines.

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Accessibility Services

GCA-certified accessible PDF and ePUB production, alt text writing, and compliance with WCAG, EAA, and ADA Title II.

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Content Enrichment

AI-powered tools to structure, tag, and enrich your content for better discoverability and platform readiness.

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eBook Development

Professional eBook production in all major formats, from any source file, for every major platform and device.

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Digital Learning

End-to-end eLearning solutions: instructional design, courseware development, LMS implementation, and immersive learning.

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Editorial Services

Copy editing, proofreading, accuracy checking, indexing, and manuscript preparation for print and digital.

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Digital Conversion

Converting legacy print and digital content into modern, structured, accessible formats at scale.

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Translation and Localization

Specialist translation and localization in over 60 languages, with domain-expert translators and dedicated project management.

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Why S4Carlisle

The S4Carlisle Advantage

A partnership built on trust, quality, and a shared passion for content transformation.

| Customized Publishing Solutions

We understand that every book is unique. Our services are customizable to fit your specific needs, genre, and budget.

| AI-Powered Innovation

We've used 50+ years of publishing expertise to build NINJA, our AI Suite built specifically for the publishing ecosystem, to support seamless automation and rapid scaling.

| Guaranteed Quality

From the first edit to the final print, we maintain a relentless focus on quality, ensuring your book is polished, professional, and ready for its readers.

| Rapid Scalability

Whether you are launching a single title or managing a large-scale publishing program, we provide the operational flexibility to manage fluctuating demands, and services that are scalable to meet your needs.

| Customized Engagement Model

We work the way you need us to. Whether that is a single-title project, a long-term retainer, or full-service outsourcing of an entire program, we structure our engagement to align with your business model and scale with you as your needs grow.

Our Clients

We combine 50+ years of publishing expertise with cutting-edge AI tools to create customized publishing solutions that deliver measurable value to our global clients.

Director of Production, Reference Book Publisher

“We have been working with S4Carlisle for nearly three years and are extremely pleased with the level of professionalism, attention to detail, customer service, and the availability of their staff. Our authors often express gratitude to the project managers at S4C and are impressed with their superior work.”