Here are 1-3 brief analogies to describe RingCentral (RNG):

• The Salesforce for business communications.
• Cisco, but purely for cloud-based business communication software.
• The Workday for business communications.

• RingCentral MVP™ (Message, Video, Phone): Their flagship Unified Communications as a Service (UCaaS) platform, providing a comprehensive suite of cloud-based business phone, video conferencing, and team messaging capabilities.
• RingCentral Contact Center™: A cloud-based omnichannel contact center solution designed to manage customer interactions across voice, email, chat, and social media channels efficiently.
• RingCentral Events™: A platform for managing and hosting virtual, hybrid, and in-person events, offering tools for registration, engagement, and post-event analytics.

RingCentral (symbol: RNG) primarily sells its unified communications as a service (UCaaS) solutions to other businesses (B2B), ranging from small and medium-sized businesses (SMBs) to large enterprises. The company does not primarily sell to individuals.

While RingCentral serves a vast number of direct enterprise customers globally, its major strategic customer relationships are often with large telecommunications providers and technology companies. These partners integrate and resell RingCentral's platform under their own brands or co-branded solutions, representing significant revenue channels for RingCentral by extending its reach to millions of business customers.

The following are major customer companies and strategic partners through which RingCentral delivers its services:

• AT&T (NYSE: T) - Powers AT&T Office@Hand, a leading UCaaS solution for AT&T's business customers.
• BT Group PLC (LSE: BT.A; OTC: BTGOF) - Powers BT Cloud Work with RingCentral, serving businesses in the UK and internationally.
• Telus Corporation (TSX: T; NYSE: TU) - Powers TELUS Business Connect, a key offering for Telus's business clients in Canada.
• Vodafone Group PLC (LSE: VOD; NASDAQ: VOD) - Powers Vodafone Business UC with RingCentral, expanding RingCentral's presence across Vodafone's European and global business markets.
• Mitel (Private Company) - A strategic partnership formed to provide Mitel's cloud customers with access to RingCentral's Message Video Phone (MVP) platform.
• Avaya (Private Company) - A strategic partnership to deliver Avaya Cloud Office by RingCentral, offering Avaya's customers a robust cloud communications solution.

These companies are crucial partners through which RingCentral extends its market reach and generates substantial revenue by providing its core UCaaS technology for their respective business customer bases.

• Amazon.com, Inc. (AMZN)
• Alphabet Inc. (GOOGL)

Vlad Shmunis, Founder, Chairman, and Chief Executive Officer

Vlad Shmunis co-founded RingCentral in 1999. Prior to RingCentral, he founded and served as CEO of Ring Zero Systems, an enterprise communications software company, which was acquired by Motorola in 1998. He holds a Bachelor's and Master's degree in Computer Science from San Francisco State University.

Vaibhav Agarwal, Deputy CFO & Chief Accounting Officer

Vaibhav Agarwal serves as the Deputy CFO & Chief Accounting Officer at RingCentral.

Mo Katibeh, President and Chief Operating Officer

Mo Katibeh joined RingCentral in January 2022 as President and Chief Operating Officer. Before joining RingCentral, he spent two decades at AT&T, where he held several senior executive roles, including Executive Vice President and Chief Product & Platform Officer, and EVP Chief Marketing Officer of AT&T Business. During his time at AT&T, he oversaw a $36 billion annual revenue stream and led significant initiatives such as one of the largest 5G and Broadband deployments globally. Forbes recognized him as one of the World's Most Influential CMOs in 2019 and 2020.

Vlad Vendrow, Co-Founder and Chief Technology Officer

Vlad Vendrow co-founded RingCentral with Vlad Shmunis in 1999. He previously worked as an engineer at RingZero and Motorola.

Srini Raghavan, Chief Product Officer

Srini Raghavan is the Chief Product Officer at RingCentral, responsible for the company's product strategy and innovation. His career includes senior roles at Five9 and Cisco, where he specialized in product management, artificial intelligence, and corporate strategy.

The increasing trend of businesses consolidating their communication and collaboration tools around integrated suites offered by dominant software vendors presents a clear emerging threat to RingCentral. Specifically, Microsoft's aggressive push with Teams Phone as part of its Microsoft 365 ecosystem and Zoom's rapid expansion with Zoom Phone, leveraging its ubiquitous video conferencing platform, are compelling businesses to opt for an all-in-one solution from a single provider. This trend challenges RingCentral's position as a best-of-breed, standalone UCaaS provider by reducing the perceived need for a separate vendor for voice communications when a comprehensive, integrated solution is available from a major incumbent or widely adopted collaboration platform. This shift represents a structural change in how businesses procure communication services, potentially limiting RingCentral's market share growth and customer acquisition opportunities.

RingCentral's primary products and services address two significant market segments: Unified Communications as a Service (UCaaS) and Contact Center as a Service (CCaaS). The company has also expanded into AI-powered communication tools like RingCX, RingSense, and AI Receptionist.

According to RingCentral's Q2 2025 presentation, the total addressable market opportunity is stated to be $150 billion. Broader market estimates for its main product categories include:

• Unified Communications as a Service (UCaaS): The global UCaaS market size was estimated at approximately $56.75 billion to $87.39 billion in 2024. It is projected to grow to approximately $215.53 billion by 2032 or $262.37 billion by 2030. In North America, the UCaaS market accounted for over 33.98% of the global market in 2024 and was valued at $24.33 billion in 2024.
• Contact Center as a Service (CCaaS): The global CCaaS market size was valued between approximately $5.1 billion and $6.1 billion in 2024. This market is projected to reach approximately $15.4 billion by 2031, $24.78 billion by 2032, or $38.3 billion by 2035. North America held the largest share of the CCaaS market, accounting for 34.7% in 2024.

RingCentral (NYSE: RNG) is expected to drive future revenue growth over the next 2-3 years through several key strategies:

1. Accelerated Adoption and Monetization of AI-Driven Solutions: RingCentral is heavily focused on expanding its AI-led product portfolio, including offerings such as RingCX, RingSense, AIR (AI Receptionist), and ACE (AI Conversation Expert). These AI solutions are experiencing robust growth, with "pure AI annual recurring revenue" growing at a strong double-digit rate sequentially. The company aims for these AI products to exceed $100 million in annual recurring revenue (ARR) by the end of 2025 and project them to reach 10% of total revenue within two years, signifying a substantial contribution to overall growth. For example, RingCX customers grew over 150% year-over-year from Q3 2024 to Q3 2025, and ACE customers grew over 250% in the same period.
2. Expansion and Deepening of Global Service Provider (GSP) Partnerships: RingCentral continues to leverage and expand its strategic partnerships with global service providers such as AT&T, Vodafone, BT, and others. This segment of the business is growing faster than the company's overall average and is characterized by predictable and recurrent revenue streams. These partnerships are crucial for increasing market reach and accelerating the adoption of new AI-powered products, as evidenced by AT&T's expanded offering of RingCX and RingSense to its customers.
3. Sustained Growth and Retention within the Core Unified Communications as a Service (UCaaS) Platform: The company's core voice communications platform and overall UCaaS market remain a foundational driver of revenue. RingCentral reported continued growth in its core business with healthy new customer additions and stable monthly net retention rates exceeding 99%. Maintaining leadership in the UCaaS market, as recognized by industry analysts, underscores the durability and ongoing contribution of its core subscription services to revenue.
4. Strategic International Expansion: RingCentral is pursuing growth in new geographic markets. An example of this is the receipt of a PAN-India license, which allows the company to expand its operations across India. Such expansions open new customer bases and market opportunities, contributing to long-term revenue diversification and growth.

Share Repurchases

• RingCentral authorized a $500 million share repurchase program in Q2 2025, with $384 million remaining under the authorization as of Q3 2025.
• Year-to-date 2025, the company repurchased $200 million of stock, including $117 million in Q3 2025 and $32 million in Q2 2025.
• Share repurchases are considered an attractive use of cash by the company to return capital to shareholders.

Share Issuance

• RingCentral is focused on reducing stock-based compensation and dilution, with new share grants decreasing year-over-year through the first three quarters of 2025.
• The full-year 2025 share-based compensation is anticipated to be between $275 million and $280 million.
• The company expects its fully diluted share count for 2025 to be approximately 92 million shares, aiming to return to 2020 levels and further reduce it in subsequent years.

Outbound Investments

• In 2025, RingCentral acquired CommunityWFM, an AI-driven workforce management solution, to enhance its CX suite and accelerate innovation.
• The company acquired the technology and engineering arm of Kindite in Q1 2021 to strengthen its security capabilities.
• In Q4 2020, RingCentral acquired DeepAffects, a conversational intelligence startup, which enabled AI-driven meeting insights and the RingSense analytics product.

Capital Expenditures

• RingCentral's capital expenditures were $25 million in 2024, $24 million in 2023, and $44 million in 2020.
• Over 50% of the company's approximately $250 million R&D spend is concentrated on its new product portfolio, particularly AI-led products.
• Capital expenditures include investments in property and equipment, as well as capitalized internal-use software.