Customer support in multiple languages

#1 Multilingual Customer Support Platform with AI

Deliver high-quality live customer support in multiple languages with native-level fluency. Perfect for global teams and businesses scaling across international markets.

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24/7 Multilingual Customer Support in 50+ Languages

Provide live multilingual customer support powered by advanced AI. Our AI agents respond with natural, human-like empathy and can automate up to 90% of support tickets on chat, voice, email and SMS. We solve even the most complicated and multi-stepped queries with 99.8% accuracy.

The result: fully managed, end-to-end multilingual support without compromise.

Multilingual Call Center Across the Globe

Crescendo is the only AI-native Customer Experience platform that unifies AI and human agents into one intelligent system, scaling seamlessly as complexity grows and staying accountable for measurable CX outcomes.

With the acquisition of PartnerHero, we now have a global workforce of 3,000+ customer support professionals across North America, South America, Europe, Asia, and Africa, ready to deliver high-quality customer service in multiple languages.

Insightful Multilingual Reports that Every CX Leader Deserves

Crescendo.ai delivers comprehensive, AI-driven insights, including CSAT calculations, sentiment analysis, and multilingual conversation summaries.

Our intuitive Voice of Customer (VoC) dashboard empowers you to pinpoint customer pain points and evaluate agent performance in your preferred language, turning raw data into actionable improvements.

All Industries, All Types of Tickets

We proudly serve clients across a wide range of industries, including SaaS, healthcare, retail, electronics, finance, and fitness, delivering support that’s both fast and efficient.
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The Languages We Support

We provide customer support in English, Spanish, French, Romanian, Urdu, Hindi, Japanese, Mandarin, Dutch, German, Arabic, Portuguese, Italian, Korean, Russian, and more.

‍With customer service available in 50+ languages, we ensure your global customers feel heard, no matter where they are or what language they speak.

No IVRs, No Chatbots.
Smart AI Agents that Talk like Human

‍Crescendo.ai is different.
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Our AI agents don’t just understand multiple languages , they communicate like real humans.

No rigid flows. No robotic replies. Just smart, multilingual support that actually helps your customers.

Ready to upgrade from frustrating menus to fluent conversations? Let's talk.

Explore all features

ELEVATING CX

Crescendo's Holistic Accountability for CX

Unlike vendors who deploy a bot and disappear, we stay accountable across the entire customer journey.

We combine AI and CX specialists to provide multilingual support that is continuously optimized, not just "activated."

We don't just provide the tech, we take responsibility for the outcome. Lower your complexity and share your risk with the only partner accountable for your CX results.

The human-in-the-loop difference

99.8%

RESOLUTION ACCURACY

+50

LANGUAGES SUPPORTED

24x7

AI + HUMAN AVAILABILITY

AI meets impact. Success stories that speak louder than words

Health & Wellness

NIMA

With Crescendo, gluten detection company NIMA turned customer support into a real-time engine that drives product, shipping, and CX improvements.

Connected Devices

SimpleSUB Water

SimpleSUB Water extended weekday coverage by 4 hours, added weekends, deployed chat in 53 days, and freed their team for strategic work with Crescendo.

SaaS

Meister Task

Discover how Meister used Crescendo’s Augmented AI platform to scale multilingual customer support, eliminate backlogs, and boost service quality.

EVPassPort

Gold‑standard customer support at enterprise scale.

EVPassPort

Crescendo’s AI + human customer service model gave EVPassport the support experience their brand promises.

Webconnex

Webconnex Delivers Exceptional Event Support at Scale with Augmented AI

Webconnex

The streamlined process relieved pressure on the Webconnex team, allowing them to focus on delivering exceptional event experiences.

Rio

Rio Launches New Electronics Product With Advanced AI Support

RIO

Crescendo AI empowered Rio’s Kickstarter success with an AI-driven CX Assistant, streamlining customer support and positioning Rio for scalable growth.

Meister

Meister Clears a 1,000+ Multilingual Ticket Backlog with Augmented AI

Meister

Meister used Crescendo’s Augmented AI platform to scale multilingual customer support, eliminate backlogs, and boost service quality without increasing costs.

WEBCONNEX

Webconnex grows sales without scaling CX support costs.

Webconnex

Moving from the traditional IVR system to the Augmented AI voice and chat assistants, Webconnex maintained outstanding customer service throughout their growth.

RACHIO

Scaling CX smarter.

RACHIO

How Rachio supports over 1 million customers with 95%+ accuracy and just one CS leader.

SCHEDULE A DEMO

Discover how automating multilingual customer support boost your CX.

Book a demo to see how Crescendo.ai’s smart AI handles phone, chat, email and SMS support instantly, not with generic robotic replies or IVRs, but with clear, helpful responses that feel genuinely human.