Klaviyo, Inc. annual report, FY2024

Business Context and Reporting Period

Klaviyo, Inc. (NYSE: KVYO) is a technology company providing a vertically-integrated SaaS platform for marketing automation, data analytics, and customer engagement. The company enables businesses to capture, store, and analyze first-party data to drive personalized consumer experiences across email, SMS, and push notifications. This summary covers the fiscal year ended December 31, 2024, as reported in the Form 10-K filed on February 19, 2025.

Key Financial Metrics

Metric 2024 2023 Change
Revenue $937.5 million $698.1 million +34.3%
Gross Profit $716.2 million $520.2 million +37.7%
Gross Margin 76.4% 74.5% +190 bps
Operating Loss $(84.1) million $(330.6) million Improvement of $246.5M
Net Loss $(46.1) million $(308.2) million -85.0%
Operating Cash Flow $166.0 million $119.4 million +39.0%
Cash & Equivalents $882.6 million $739.7 million +19.3%
Debt $0 $0 N/A

Operational Highlights:

  • Customer Base: Grew to over 167,000 customers as of December 31, 2024 (up from 143,000 in 2023).
  • Net Revenue Retention (NRR): 108% for 2024, down from 117% in 2023, largely due to lapping a price increase implemented in September 2022.
  • Enterprise Growth: Customers generating over $50,000 in ARR increased 46% year-over-year to 2,850.

Material Changes vs. Prior Period

  • Revenue Growth: Driven by a 54% contribution from existing customer expansion (usage growth and SMS adoption) and 46% from new customer acquisition, particularly in mid-market and international segments.
  • Profitability Improvement: The net loss decreased significantly by 85% year-over-year. This was primarily driven by revenue growth and a $203.4 million decrease in stock-based compensation (SBC) expense, as the company lapped the accelerated vesting of equity awards related to its September 2023 IPO.
  • Expense Management:
    • Selling & Marketing: Increased slightly by 2.5% ($9.8M) due to headcount growth and partnership fees, offset by lower SBC.
    • Research & Development: Decreased by 9.0% ($23.7M) primarily due to lower SBC, despite increased personnel costs.
    • General & Administrative: Decreased by 18.9% ($36.7M) due to lower SBC and a $6.1M release of tax reserves.
  • Interest Income: Increased 64.6% to $39.6 million due to higher interest rates and larger cash balances post-IPO.

Guidance, Outlook, and Risks

Management Commentary & Strategy:

  • Product Innovation: Launched "Klaviyo AI" in 2024 to streamline segmentation and campaign orchestration. Continued investment in expanding channels (SMS, Push) and use cases (Reviews, CDP).
  • International Expansion: Revenue from outside the Americas accounted for 37.6% of total revenue in 2024. Operations expanded to Dublin, Ireland in 2024.
  • Up-Market Focus: Shifting sales motion to target mid-market and enterprise customers, which involves longer sales cycles but higher contract values.

Risks and Contingencies:

  • Shopify Dependency: Approximately 77.7% of Annual Recurring Revenue (ARR) is derived from customers using the Shopify platform. Disruptions to this integration or relationship pose a significant risk.
  • Cybersecurity: In October 2024, an unauthorized third-party gained access to source code and credentials. The company concluded the incident was contained with no material impact on operations or financial condition.
  • Regulatory Environment: Exposure to evolving privacy laws (GDPR, CCPA, AI Act) and marketing regulations (TCPA, CAN-SPAM) which could increase compliance costs or limit functionality.
  • Profitability: While losses narrowed, the company anticipates increasing operating expenses in the future and does not guarantee when it will achieve sustained profitability.

Investor Verification Checklist

  • SBC Normalization: Verify the trajectory of stock-based compensation expense in future quarters to understand the "true" operating cost structure post-IPO vesting cliffs.
  • Shopify Concentration: Monitor the percentage of revenue derived from Shopify merchants and any changes in the strategic partnership terms (revenue sharing, integration status).
  • SMS Margin Impact: Assess the impact of growing SMS usage on gross margins, as SMS has higher variable costs than email.
  • Net Revenue Retention (NRR): Track NRR trends to ensure the company can maintain expansion revenue without relying on price increases.
  • Cash Burn vs. Generation: Confirm that operating cash flow remains positive and sufficient to fund growth without immediate need for additional capital raising.