Companies in Singapore now need Unified Communications as a Service (UCaaS). Businesses are using hybrid work models and going digital, so they need communication tools that combine voice, video, messaging and collaboration more than ever. UCaaS provides these features via the cloud, offering greater flexibility, scalability and cost-effectiveness compared to systems installed on your own servers.
Singapore’s UCaaS market is growing quickly because of digital transformation efforts in the finance, healthcare and government sectors. We expect the market to grow at a compound annual growth rate (CAGR) of more than 12% from 2026 to 2033. The rise in this area is because more businesses are using cloud-based communication tools that make it easier for people to work together from anywhere and make operations more flexible. Structural dynamics show that the ecosystem is mature, with many people who know how to use technology, strong rules and a focus on data security and compliance. All of these things make the environment favorable for long-term growth.
This list shows five of the best UCaaS providers in Singapore. Each has strengths and skills that can help businesses change their communication systems.
How we selected the top UCaaS providers in Singapore
We ranked them by their market presence, expertise and relevance to Singapore’s business world. This is not an official list. Providers were judged on several factors, such as how well they offered UCaaS services, how well they understood Singapore’s regulatory environment (including PDPA compliance), how well they could serve clients of different sizes and how well they could connect with existing business systems. We also thought about things like support for multiple platforms, security protocols and a favorable track record in the Asia-Pacific region.
List of top 5 UCaaS providers in Singapore
- Microsoft Corporation (Microsoft Teams)
- RingCentral, Inc.
- Cisco Systems, Inc. (Webex)
- 8×8, Inc.
- Zoom Video Communications, Inc.
Closer look at each UCaaS provider
1. Microsoft Corporation (Microsoft Teams)
Microsoft makes it possible for the intelligent cloud and intelligent edge to come into being. The aim is to enhance productivity for all businesses worldwide. The main UCaaS tool for Microsoft is Microsoft Teams. Many businesses and the government in Singapore use it because it works well with the rest of Microsoft 365.
Key services offered
- Microsoft Teams for chatting, meeting and working together
- Teams Phone with PSTN connectivity for business calls
- Microsoft Viva for improving employee experience and engagement
- Works with Microsoft 365, Azure and Dynamics 365
- Advanced security and compliance features that follow Singapore’s rules
Ideal client type
It caters to companies of all sizes, particularly those already integrated into the Microsoft ecosystem. Many government agencies, banks and businesses in Singapore use it because it has many features and is effective at managing things.
Notable strengths or differentiators
- Integration with tools for getting things done: Ecosystem integration is the best option for businesses that use Microsoft products.
- Microsoft Viva aims to enhance recognition, interaction and retention through its mobile-first, social media-like employee experience dashboards.
- Security and compliance: Strong governance features that are beneficial for industries that have to follow rules. Investments in encryption and secure cloud infrastructure help meet PDPA requirements.
- Security and compliance: Strong governance features that are useful for businesses that have to follow rules. Putting money into encryption and secure cloud infrastructure helps meet PDPA requirements. A new chat and channels experience facilitates more engaging collaboration.
Contact information
Official website: www.microsoft.com/en-sg
2. RingCentral, Inc.
RingCentral is a global company that offers cloud-based business communication and collaboration tools. These tools make it easy to use a contact center, phone, messaging, video meetings, events and more all in one place. The company offers AI-first conversation intelligence to businesses, which helps them get information and speed up business results by having better conversations with customers and employees. In Singapore, RingCentral is a big name in the UCaaS market.
Key services offered
- The RingCentral Office unified communications platform
- Sending messages and sharing files with your team
- Meetings with HD video and audio
- Cloud phone system that works with PSTN all over the world
- Solutions for RingCentral Contact Center
- AI-driven conversation intelligence and analysis
Ideal client type
Medium to large enterprises are seeking a comprehensive, integrated communications platform with robust contact center capabilities and AI-driven insights.
Notable strengths or differentiators
- Single-vendor UCaaS and CCaaS: These are unified communications platforms that include omnichannel contact center software and other core tools. This is in line with the trend toward unified platforms in 2026.
- AI-first approach: Puts AI into every part of the platform to give business and conversation intelligence.
- The platform combines a global reach with a local presence, offering services specifically tailored to the business environment in Singapore.
- Scalable architecture: Designed to grow with organizations from SMEs to large enterprises.
Contact information
Official website: www.ringcentral.com
3. Cisco Systems, Inc. (Webex)
Cisco is an expert in networking technologies, especially those that use Internet Protocol (IP). The company is always coming up with new ideas in areas like IP telephony, optical networking, security features and wireless technology. It offers a wide range of services, including technical support and advanced services. Cisco Webex, which includes Webex Calling and Webex Teams, is one of the best UCaaS solutions in Singapore. It’s especially popular with businesses that already use Cisco products.
Key services offered
- Webex Suite for calling, meetings, messaging and events
- Webex Calling for business phone calls in the cloud
- Webex Contact Center options for business telephony
- Webex Contact Centre solutions
- Webex devices for meeting rooms and huddle rooms
- Encryption and security from start to finish
- Working with Cisco’s networking and security products
Ideal client type
Large enterprises, particularly those in the finance, healthcare and government sectors, require robust security, compliance and integration with existing Cisco infrastructure.
Notable strengths or differentiators
- Networking heritage: A lot of experience with IP-based communications means better call quality and reliability.
- Hardware ecosystem: Provides a full range of meeting room hardware, such as digital signage, interactive whiteboards that stand up and check-in kiosks that let you book rooms.
- Security-first approach: Strong emphasis on security and compliance, critical for regulated industries in Singapore.
- Hybrid work enablement: Tools that help remote and in-person workers communicate with each other easily.
Contact information
Official website: www.cisco.com/sg
4. 8×8, Inc.
8×8 brings people and businesses together by making it easy for them to talk to each other on a single platform for customer experience that includes contact center, unified communications and CPaaS APIs. The 8×8 Platform for CX uses AI at every level to make customer journeys more personal, improve operations and make it easier for teams to work together. The company bought Wavecell, a CPaaS provider based in Singapore, which helped it grow its business in Southeast Asia.
Key services offered
- 8×8 X Series for UCaaS and CCaaS
- Messaging and working together with your team
- Solutions for voice, video and meetings
- Voice, video and meeting solutions
- 8×8 Call Center
- CPaaS APIs for making your own communication workflows
- Analytics and insights powered by AI
Ideal client type
Organizations are seeking an integrated platform that combines unified communications, contact center capabilities and programmable communication APIs for custom application development.
Notable strengths or differentiators
- Singapore investment: Acquisition of Wavecell demonstrates commitment to the Singapore market and provides an R&D center in Asia for accelerated product innovation.
- Unified platform: One of the few companies that offers a fully integrated UCaaS, CCaaS and CPaaS on a single cloud-native technology stack. Integrated UCaaS and omnichannel capabilities let customers really go through all of their channels with APIs for SMS, chat apps, video and voice. Omnichannel customer journeys with APIs for SMS, chat apps, video and voice.
- Global scale: Owns the whole technology stack, which includes voice, video, messaging and contact center services that can be delivered as prepackaged apps or enterprise-class APIs.
Contact information
Official website: www.8×8.com
5. Zoom Video Communications, Inc.
Zoom is a smart collaboration tool that makes it easier, more immersive and more dynamic for people and businesses to connect. With solutions like Team Chat, Phone, Meetings, omnichannel cloud Contact Center, AI Companion, Whiteboard and more, Zoom technology puts people at the center and makes it possible for individuals to connect in meaningful ways, work together in new ways and come up with new ideas. Zoom is a major player in the UCaaS market in Singapore.
Key services offered
- Video conferencing with Zoom Meetings
- Cloud business phone service from Zoom
- Zoom Team Chat for sending messages that stay there
- Zoom Contact Center for getting in touch with customers
- Zoom AI Companion for help with meeting notes and summaries
- Zoom Rooms for conference room needs
- Zoom Rooms Hardware as a Service
Ideal client type
Organizations of all sizes, from SMEs to large enterprises, seeking an intuitive, video-first collaboration platform that has become synonymous with modern meeting experiences.
Notable strengths or differentiators
- Brand recognition: Zoom became a household name during the pandemic because it was simple to use and reliable, which led to widespread use.
- AI Companion: Built-in AI features give you meeting summaries, action items and help in real time at no extra cost.
- Flexible hardware: Zoom’s Hardware as a Service lets customers fully customize conference rooms. Integrations with providers like Room offer pre-made conference rooms that work with Zoom, Teams and Slack.
- Employee engagement: Buying Workvivo shows a commitment to tools that improve the employee experience by making engagement dashboards that are mobile-first and look like social media.
Contact information
Official website: www.zoom.com/sg
How to choose the right UCaaS provider in Singapore
First, look at the technology ecosystem you have right now. Companies that have invested a lot in Microsoft 365 will find that Microsoft Teams works well with it. Companies that use Cisco networking may find that Webex works well with it. Think about how well the UCaaS platform works with your current CRM, productivity tools and business apps.
Second, look at the security and compliance needs. Singapore’s Personal Data Protection Act (PDPA) clearly outlines the handling of data. Make sure the provider you choose has a track record of compliance, such as by investing in encryption, secure cloud infrastructure and the right certifications. For sectors that are regulated, like finance and healthcare, providers must show that they have strong security measures and the ability to keep data in one place.
Third, think about how to balance your needs in the cloud and on-premises. Some companies in regulated fields need hybrid approaches, which means they keep sensitive workloads on their infrastructure but use the cloud to help people work together. Check to see if providers can help with hybrid architectures if necessary.
Fourth, look at how well it works with contact center operations. The trend toward unified UCaaS and CCaaS platforms in 2026 means that businesses should think about whether they need an all-in-one solution or prefer to use the best parts of different systems that work well together.
Fifth, look at the total cost of ownership. To get a full picture of the costs of implementation, training and any extra costs for advanced features or hardware, don’t just look at the monthly subscription fees.
The UCaaS market in Singapore has strong solutions that can meet the needs of many different types of businesses. Microsoft Teams works better with other Microsoft products than anything else. RingCentral offers AI-first conversation intelligence along with unified UCaaS and CCaaS features. Cisco Webex is a fantastic choice for regulated industries because it has a lot of networking knowledge and strong security. 8×8 shows that it is serious about the Singapore market by offering integrated UCaaS, CCaaS and CPaaS services. With Zoom, you can easily collaborate over video and use AI and employee engagement tools that are always getting better.
Your organization’s size, industry, level of technical maturity and specific communication needs will determine which provider is best for you. Before making a decision, we suggest that you talk to the providers on your shortlist and ask for demonstrations and trials to see if they meet your needs.
Frequently asked questions
1. What services do UCaaS providers in Singapore typically offer?
Most UCaaS providers offer communication and collaboration tools that work together, such as business phone service with PSTN connectivity, team messaging, video conferencing, file sharing, presence indicators and collaboration platforms. A lot of them too give contact center capabilities, AI-powered analytics and the ability to work with business apps.
2. How much do UCaaS services usually cost in Singapore?
Costs vary based on provider, feature set, number of users and contract terms. Pricing typically follows subscription-based models, ranging from basic plans with core features to enterprise plans with advanced capabilities. Organizations should request quotes directly from providers and factor in implementation, training and hardware costs where applicable.
3. How do I know if a UCaaS provider is reliable?
Indicators of reliability include a proven track record with clients in your industry, a strong local presence and support network, clear service level agreements (SLAs) and the ability to integrate with existing systems. Analyst firms recognize and establish partnerships with providers, demonstrating their credibility in the market.
4. Are UCaaS providers in Singapore suitable for small and medium enterprises?
Yes, many providers have smaller plans made just for small and medium-sized businesses (SMEs) that come with the right features and prices. Cloud-based UCaaS solutions are especially easy for small businesses to use because they don’t have to spend a lot of money on infrastructure up front and still get enterprise-level features.
5. What should I prepare before engaging a UCaaS provider?
Before you get involved, make sure you know exactly what communication tools you have, how many people use them, what their needs are for working together, any industry-specific compliance rules (like PDPA), your budget range and how the new tools will work with your current business systems. This helps providers suggest the best solutions.
6. How does Singapore’s regulatory environment affect UCaaS adoption?
The Personal Data Protection Act (PDPA) and other strict data privacy laws in Singapore have a big effect on UCaaS deployment. Providers must follow strict security rules, which means they have to spend more money on encryption, secure cloud infrastructure and compliance certifications. This regulatory environment is both a barrier and a catalyst. It pushes vendors to come up with new, compliant solutions, but it may also slow down deployment because of the costs of compliance.
