StellarWP

United States · theeventscalendar.com · 13 vendors

StellarWP is a software development company that provides a suite of WordPress solutions and products. Established in 2021 as a brand under Liquid Web, it unifies several WordPress brands, including The Events Calendar, offering plugins and tools for website design, event management, e-commerce, and learning management systems.

Resilience scores

Technology vendors

Services catalogue

8 services in catalogue across 3 categories; runs on 13 sub-vendors.

Insights

Last updated 2026-04-15 · revision 2

13 direct vendors, 178 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 4/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

StellarWP exhibits a low-to-medium level of migration readiness. The primary challenge stems from a deep integration and platform lock-in to the WordPress ecosystem. The company's extensive product portfolio is built entirely around WordPress, including numerous custom plugins and add-ons (e.g., The Events Calendar, LearnDash LMS, GiveWP, KadenceWP suite). A fundamental migration away from WordPress would necessitate a complete re-architecture and redevelopment of their core offerings, representing a massive undertaking. The internal tech stack, centered on WordPress, PHP, and MySQL, is not inherently cloud-native, containerized, or microservices-based, which would complicate a direct lift-and-shift to a highly elastic cloud environment without significant refactoring. While they offer 'StellarSites Learning (LearnDash Cloud)' and 'StellarSites' as managed WordPress hosting solutions, this indicates an understanding of managed hosting, but doesn't necessarily reflect their own internal infrastructure's cloud-native readiness. The reliance on 'Liquid Web Managed Hosting Infrastructure' also suggests a specific hosting provider relationship that would need to be addressed during a migration. Data regarding regulatory environment, data residency requirements, and financial stability (ability to fund a large-scale migration) is missing, which further limits the assessment. While there is some vendor diversity in services (e.g., payment gateways, security intelligence), the overarching platform lock-in to WordPress is the most significant barrier to high migration readiness.

Compliance

3 in-scope frameworks identified; showing 3.

GDPR (source) — Assessment Required

High risk due to: (1) Severe financial penalties up to 4% of global annual turnover or €20M for non-compliance, (2) High likelihood of processing EU/EEA personal data given global customer base and 800k+ plugin installations, (3) Strong enforcement by EU regulators with significant fines issued to tech companies, (4) Company size and global reach increases regulatory scrutiny, (5) WordPress plugin ecosystem inherently processes user data across jurisdictions

Evidence: https://theeventscalendar.com/privacy-policy/

SOC 2 (source) — Assessment Required

Medium risk due to: (1) Moderate financial and reputational impact from non-compliance in B2B SaaS market, (2) Likely customer demand for SOC2 compliance given enterprise customer base, (3) Company processes customer data and provides cloud-based services, (4) Competitive advantage and customer trust requirements in WordPress ecosystem, (5) Lower regulatory enforcement compared to GDPR but important for business relationships

ISO 27001 (source) — Assessment Required

Medium risk due to: (1) Moderate impact on business competitiveness and customer trust if not implemented, (2) Information security management is critical for software companies handling customer data, (3) Growing customer expectations for security certifications in WordPress ecosystem, (4) Helps demonstrate security posture to enterprise customers, (5) Not legally mandated but increasingly expected in B2B software market

Financials

Three-year financials

Financial Resilience Score: 6/10

StellarWP operates a structurally sound freemium-to-subscription business model deeply embedded in the WordPress ecosystem, which powers approximately 43% of all websites globally. Its annual subscription licensing model generates predictable, recurring revenue with high customer switching costs, as users who build workflows around these plugins are unlikely to migrate easily. The freemium distribution channel via WordPress.org provides a massive, low-cost customer acquisition funnel, with The Events Calendar alone boasting 800,000+ active installs and notable enterprise customers including Harvard University, the Smithsonian, and Warner Brothers. The portfolio is well-diversified across eight distinct product brands spanning event management, LMS, donations, security, themes, WooCommerce enhancements, membership, and booking. This reduces single-product concentration risk and creates cross-selling opportunities within the shared Liquid Web infrastructure. The Events Calendar's 15+ years of brand equity (founded 2009) and LearnDash's strong LMS market position further reinforce revenue durability. The remote-first operating model also reduces fixed overhead costs. However, the score is tempered significantly by the complete opacity of financial reporting. As a private, non-reporting entity, StellarWP discloses no audited financials, making independent verification of solvency, profitability, or debt levels impossible. The business is entirely subject to Liquid Web's corporate and private equity ownership decisions, introducing meaningful M&A and restructuring risk. The aggressive 2021 acquisition roll-up strategy also carries integration complexity and potential brand dilution risks. Additional structural risks include total dependency on the WordPress/PHP platform, competitive pressure in each product category from well-funded rivals, and reliance on freemium-to-paid conversion rates to sustain revenue growth. The 2024 Automattic/WP Engine ecosystem conflict highlighted the platform-level risks inherent in building an entire business on a third-party open-source ecosystem. Market saturation in the WordPress plugin space creates ongoing pricing pressure across all product lines.

Key strengths: Recurring annual subscription revenue model with high customer switching costs, Freemium distribution via WordPress.org providing low-cost customer acquisition at scale, 800,000+ active installs for The Events Calendar flagship product, Diversified portfolio of 8+ product brands across multiple WordPress use cases, WordPress ecosystem serves ~43% of all global websites — large addressable market, 15+ years of brand equity for The Events Calendar (founded 2009), Enterprise customer base including Harvard, Smithsonian, Warner Brothers, YMCA, Parent company Liquid Web provides financial backing and shared infrastructure, Remote-first operating model reduces fixed overhead costs, LearnDash widely regarded as a leading WordPress LMS plugin

Risk factors: No public audited financials — financial health, debt levels, and profitability cannot be independently verified, Entirely dependent on Liquid Web's corporate decisions and private equity ownership dynamics, 100% platform dependency on WordPress/PHP ecosystem, 2024 Automattic/WP Engine conflict created WordPress ecosystem uncertainty, Competitive pressure in every product category from well-funded rivals (Eventbrite, Teachable, Thinkific, Stripe-native tools), Rapid 2021 acquisition roll-up creates integration complexity and brand dilution risk, Revenue dependent on freemium-to-paid conversion rates — stagnation risk if conversion declines, Market saturation in WordPress plugin space with thousands of competitors creating pricing pressure, No SEC filings or public reporting obligations — stakeholder opacity, Private equity ownership introduces M&A and restructuring risk

Revenue by geography

Revenue by product/service

Workforce by country

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