Human Judgment Where It Matters
Legal agreements, court decisions, clinical documentation, and scholarly publications require informed decisions about terminology, tone, and interpretation.
Delivered with Accuracy, Confidentiality, and Scale
Contact UsWhen mistranslation can invalidate research or create legal liability across jurisdictions, the stakes extend far beyond words on a page.
Our clients rely on Castle Associates when the stakes demand certainty.
Call 801.225.5541
Legal agreements, court decisions, clinical documentation, and scholarly publications require informed decisions about terminology, tone, and interpretation.
Coordinated translator teams, accelerated delivery schedules, and project management processes that scale without sacrificing consistency.
Human and AI-assisted workflows matched to client goals and risk profiles. Experience with LLM-generated drafts, memoQ, and SDL Trados.
Strict confidentiality agreements and workflows designed for legal, regulatory, and corporate clients. Your materials handled with discretion.
Trusted by organizations including

Details generalized to protect client confidentiality.
Multi-party restructuring proceedings
Multi-year · Thousands of pagesComplex legal documentation associated with multi-party restructuring proceedings involving public-sector entities. Coordination of translator teams over multiple years under deadline-driven conditions.
Regulatory submissions, informed consent, adverse events
Multiple trials · Latin America & USMedical journal articles, health authority applications, informed consent agreements, adverse event reports, and regulatory correspondence between test sites, CROs, and regulatory bodies.
Divorce decrees, prenuptial agreements, custody litigation
Precision & sensitivityTranslation of adoption records, divorce decrees, custody litigation, and prenuptial agreements requiring precision and sensitivity across complex family law proceedings.
Exhibition labeling and interpretive content
Permanent collections · Multiple institutionsTranslation of exhibition labeling and interpretive materials for extensive permanent collections at art museums in Utah and Massachusetts.
Social studies and science immersion programs
Multi-year · Millions of wordsTranslation and adaptation of curricula for dual-language immersion programs in multiple U.S. states. Multi-year project involving millions of words and large-scale desktop publishing.
Employment records, academic credentials, civil docs
International subsidiary · BrazilEmployment and personal records for a major U.S. manufacturer's Brazilian subsidiary, including academic credentials and civil documentation for compliance processes.
Intelligence and evidence-gathering documentation
Security agencies · Americas-wideUser documentation for advanced intelligence and evidence-gathering software used by law enforcement and security agencies throughout the Americas.
Our global network of expert translators covers all major world languages across legal, scientific, and institutional contexts, with special expertise in the languages of the Americas and Europe.
Major languages
Across Europe, Latin America, the Middle East, East Asia, and beyond
AI tools can accelerate translation, but they do not replace professional judgment.
Fully human translation workflows when required
Expertly supervised AI-assisted workflows when appropriate
Careful evaluation and refinement of machine-generated drafts
Every project structured by purpose, audience, and risk profile.
Start a ConversationMost clients begin with a direct email or phone conversation to discuss scope, timelines, and confidentiality.
We provide clear, project-based quoting that balances quality, confidentiality, timeline, and budget.
We work under confidentiality agreements and handle sensitive legal, regulatory, and institutional materials with discretion.
Attach files to your email or call first to discuss secure transfer options.