Professional overseas customer service outsourcing and after-sales solutions
We provide multilingual customer support for global clients, covering more than 60 major international languages.
Our services are available through multiple operation centres, offering 24/7 support and addressing the needs of customers across various time zones.
With years of industry experience, we have worked with many renowned enterprises, and our service network spans multiple countries and regions.
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Service Introduction
We offer comprehensive overseas customer service outsourcing solutions to help enterprises seamlessly connect with global customers while enhancing brand reputation and customer satisfaction.Our professional team ensures the stable development of your overseas business through the following services:
Omni-channel Customer Service Support
We cover telephone, email, online chat and social media channels to ensure customers receive quick responses anytime, anywhere.
The intelligent routing system automatically matches customer inquiries to the most suitable customer service personnel, with an average response time under 3 minutes and a resolution rate exceeding 95%, significantly improving the customer experience.
Multi-language Service Coverage
We support over 60 languages, including English, French, Spanish, German, Japanese and Korean.
The customer service team is composed of native speakers who have an in-depth understanding of local culture, ensuring truly localised service.
Professional After-sales Management
Efficiently handle returns, complaints and order tracking to improve customer satisfaction.
The advanced ticket system ensures timely follow-up, reducing complaint handling time by 40%, helping enterprises turn negative reviews into a positive resolution rate of over 65%.
Cross-border E-commerce Solutions
Provide rule training and localised communication skills for mainstream platforms such as Amazon, eBay and Shopify.
Flexibly allocate customer service resources, combined with data analysis, to optimise market strategies and help customers increase their average sales conversion rate by 22%.
Whether you're a start-up expanding overseas or a multinational seeking to optimise global support, we tailor service plans to help you stand out in the international market.
Benefits of Overseas Customer Service
24/7 service
Global team deployment, overcoming time zone barriers, and providing seamless 24/7 service
Localised team
Our team has an in-depth understanding of the target market’s culture and consumer habits, providing a truly localised service experience
Native-level communication
All multilingual representatives are proficient at a native level, ensuring barrier-free communication
Rapid response
With an average response time of 5 minutes and 24-hour email resolution, we efficiently meet customer needs
Core Advantages

Professional Certified Team
All customer service representatives undergo rigorous screening, professional training, and international certification to ensure they meet global service standards
Advanced Technology Platform
We integrate intelligent CRM systems and AI analysis tools to automatically handle common issues, improving response speed and resolution efficiency
Flexible Cooperation Model
We offer fully customised short-term project support or long-term strategic partnerships based on your business scale and seasonal needs
Service Quality Assurance
We implement strict SLA monitoring and conduct regular performance evaluations and data analysis to ensure continuous optimisation of service quality
Service Process
From needs analysis to continuous optimisation, we offer a comprehensive overseas customer service solution that helps businesses connect globally while enhancing customer satisfaction and operational efficiency.
Needs Communication
Gain a deep understanding of the enterprise’s needs and market characteristics, and clarify objectives and performance indicators
Customised Solution
Design a tailored customer service solution that includes personnel setup, technology platforms, and quality standards
Team Training
Provide training in product knowledge and corporate culture to ensure the team fully understands brand values and communication skills
Trial Operation
Conduct small-scale testing to validate the solution, gather feedback, and optimise the process
Official Launch
Launch full-scale operations with 24/7 service quality monitoring and real-time visibility into operational performance
Continuous Optimisation
Conduct regular data analysis and satisfaction surveys to identify improvement opportunities and implement optimisation plans
Our six-stage service process ensures efficient and sustainable overseas customer service outsourcing. Each stage includes clear deliverables, enabling you to track progress, achieve business goals, and minimise operational risks.
Success Stories
15%
Sales Growth
With professional customer service support, many multinational clients have achieved consistent sales growth on global e-commerce platforms, enhancing both brand competitiveness and customer conversion rates
35%
Faster Response
We helped multinational companies optimise their response processes, significantly enhancing technical support and reducing average response time by approximately 35%
88%
Problem Resolution Rate
Leveraging an advanced ticketing system, our professional service team resolves most customer issues on the first attempt, achieving an 88% resolution rate and boosting overall service quality and satisfaction
87%
Positive Review Rate
Many overseas brands have consistently received positive customer reviews in their target markets by continuously enhancing service experiences, thereby increasing user trust and organic referrals
We have partnered with numerous multinational companies across software, SaaS, and cross-border e-commerce sectors — including SupportYourApp and Zoho Desk. Through professional customer service support, we have helped them enhance customer experience and improve operational efficiency.
Customer Reviews
European Director of CSE Swimwear Company
"The professional team helped us overcome language barriers and successfully enter the European market. Their localised customer service has significantly strengthened our brand image and built greater customer trust."
Global Operations Director of a Technology Company
"Callnovo’s 24/7 customer service has been a vital support in building a complete system from the ground up. Since partnering with them, our customer satisfaction rate has increased by 42%."
CEO of an International Software Company
"Multilingual support has streamlined our global expansion, significantly boosting customer satisfaction. The seamless integration of technology and human expertise has improved our service efficiency by 65%."
Frequently Asked Questions
What languages and time zones do you support?
We support over 60 global languages, including key business languages like English, French, Spanish, German, Japanese, and Korean. With 15 service centers worldwide, we provide seamless 24/7 coverage to ensure your customers receive timely responses—wherever they are.
How do you ensure service quality?
We follow a three-tier quality assurance framework:
1) Enforcing SLAs with clearly defined response times and service benchmarks;
2)Conducting regular performance evaluations of customer service representatives;
3) Gathering ongoing customer feedback through satisfaction surveys to drive continuous improvement.
What is the pricing model?
We offer flexible pricing models tailored to your specific needs, based on factors such as service content, language, and duration. Common options include a fixed monthly fee or pay-per-use. We will provide a detailed quote to ensure you get the most cost-effective solution.
How do you ensure data security?
We strictly comply with international data protection standards like GDPR and enforce robust confidentiality agreements. All staff sign NDAs, and we use enterprise-grade encryption along with regular security audits to safeguard your data.
How do I get started?
Contact our account manager to learn more about our services and pricing. Based on your needs, we’ll offer a tailored solution and swiftly complete the contract and service onboarding. We look forward to supporting your business growth.
Contact Us
Global Hotline
China: 400-XXX-XXXX
International: +1-XXX-XXX-XXXX
Business Email
service@example.com
Online Consultation
24-hour online customer service is always at your service
Global Headquarters
XX Road, Pudong New Area, Shanghai
Overseas Offices
15 global service centres in the US, Philippines, Mexico, Spain, etc.
Service Hours
24/7 support, no休 on holidays