Translation services of documents of any kind are not as easy as encoding context using one language. Moreover, translation services are not just allowing the process to throw out the translation. As modernization and computer era arise, competition between machine and human still continue.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.
Rev.com - Transcriptions, captions, and subtitles that are affordable, fast, and high-quality.
Crowdin - Localize your product in a seamless way
GTS Translation - GTS is a professional online translation service.
i18nexus - Quickly edit, automate, and manage your translations and connect them to your website, app, or video game with the power of i18next. Localization made easy.
One Hour Translation - Professional translation services for 75 languages on a 24/7 basis.