MarTech Vendor · vs · MarTech Vendor

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Constant Contact vs Klaviyo

Structured technology and market comparison · 2026

Direct Feature Comparison

Constant Contact · vs · Klaviyo
Primary Market / Role
Constant ContactMarTech Vendor
KlaviyoMarTech Vendor
Platform Focus
Constant Contact

SMB marketing software for email, SMS, CRM and automation.

Klaviyo

Customer data and marketing automation software for ecommerce brands.

Company Size
Constant Contact1,001–5,000 employees
Klaviyo1,001–5,000 employees
Headquarters
Constant ContactUS
KlaviyoUS
Year Founded
Constant Contact1995
Klaviyo2012

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Comparison Analysis

What is the main difference between Constant Contact and Klaviyo?

Constant Contact positions itself as an accessible all-in-one digital marketing platform primarily targeting small-to-midsized organizations and distributed enterprises. Conversely, Klaviyo focuses on ecommerce brands through a sophisticated customer data platform model. While Constant Contact emphasizes ease of use and broad CRM integration for general business sectors, Klaviyo differentiates via its unified data layer, prioritizing deep first-party data activation and high-performance automation for online retail growth.

How do the features of Constant Contact and Klaviyo compare?

Both platforms offer email, SMS, and marketing automation, but their functional depths diverge significantly. Constant Contact provides simplified campaign creation, reporting, and lead management suitable for non-technical users. Klaviyo excels with its integrated customer data platform, enabling complex segmentation and real-time behavioral triggers specific to ecommerce workflows. Klaviyo outperforms in data-driven personalization and analytics, whereas Constant Contact offers superior multi-account governance tools for managed service providers and franchises.

What are the top alternatives to Constant Contact and Klaviyo?

When evaluating Constant Contact and Klaviyo, enterprise buyers also consider other platforms in Marketing Automation Platform, In-App, and MarTech Vendor. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.

Market Signals

Recent Market Signals & Activity: Constant Contact vs Klaviyo

Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.

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Constant Contact

Recent Signals

  • ·The DrumMarketing Strategy

    Survey: Short-Term Pressures Undermine Marketing Effectiveness

    A survey of 216 MiniMBA in Marketing alumni, conducted by The Drum and MiniMBA, reveals that short-term commercial pressures are the biggest organizational barrier to effective marketing. 28.4% of respondents identified these pressures as the primary obstacle, while 23.1% cited balancing long- and short-term growth as a major challenge. Marketers argue that the relentless demand for immediate results diverts budgets away from long-term brand building. Industry experts like Matthew Stevens of MOI Global and Berit Block of Constant Contact emphasize the difficulty of defending long-term investments in quarterly reviews. The findings suggest that short-termism is an organizational issue, requiring marketers to make a stronger commercial case for long-term strategy.

    • 28.4% of marketers surveyed identified short-term commercial pressures as the biggest organizational barrier to good marketing.
    • 23.1% said balancing long- and short-term growth was the biggest challenge facing marketers today.
    • The survey was conducted among 216 MiniMBA in Marketing alumni.
  • ·https://martechseries.com/feed/Marketing Automation / MarTech

    Constant Contact Launches 'Great Needs Great' AI Campaign

    Constant Contact launched "Great Needs Great," a national brand campaign positioning the company as an AI partner for small business growth. Developed with creative agency TBWA\Chiat\Day LA, the campaign spans linear and streaming television, streaming audio, digital video, social and highlights built-in AI features on Constant Contact's platform. The company says its AI can generate tailored email designs and content, recommend send times, segment contacts from prompts, build personalized weekly social plans, and provide a built-in chat assistant. Constant Contact cited proprietary data showing U.S. small business AI adoption rising from 26% in 2023 to 87% in 2026 and said the campaign will run on TV, Spotify, Pandora, SiriusXM, YouTube and paid social.

    • Constant Contact launched a national brand campaign called "Great Needs Great".
    • The campaign was developed with creative agency TBWA\Chiat\Day LA and spans television, streaming audio, digital video and social.
    • Constant Contact promotes built-in AI features that generate email designs and content, recommend send times, segment contacts from prompts, build weekly social plans, and offer a built-in chat assistant.
  • ·Modern RetailInfluencer & Creator Marketing

    Founders Driving Short-Form Social Content

    Brands are increasingly asking founders to create short-form social content to build authenticity, connect with customers, and support wholesale opportunities. Small-business founders are adopting a "creator" identity and often personally manage social accounts. Reports cited show short-form video delivers high ROI, but founders face challenges balancing content creation with day-to-day operations, maintaining brand-aligned authenticity, and resourcing production. Examples include Kostarina’s founder Katina Mountanos, women’s outdoor brand Seniq’s co-founders (who use analytics and Triple Whale), and Nick Stenson of Nick Stenson Beauty sharing personal and product-focused content.

    • Katina Mountanos, founder and CEO of Kostarina, began posting short-form videos about olive oil and the category.
    • A Constant Contact survey of over 5,000 people found nearly three out of four small business owners are adopting a 'creator' identity, and 47% personally manage their company’s social media presence.
    • HubSpot’s 2026 State of Marketing Report found nearly half of brand marketers said short-form video had the highest ROI of any visual format.
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Klaviyo

Recent Signals

  • ·SEC APIfinancials

    10-Q Financial Filing Analysis for Klaviyo (2026-08-05)

    Klaviyo, Inc. reported its financial results for the second quarter and six months ended June 30, 2026, demonstrating continued top-line momentum. For Q2 2026, revenue increased 26.4% year-over-year to $370.6 million, while six-month revenue reached $728.6 million (up 27.2% YoY). Growth was driven by new customer additions, international penetration (which contributed 41.8% of quarterly revenue), and cross-selling across SMS and WhatsApp channels. Operating loss for the quarter narrowed significantly to $15.0 million from $31.3 million in Q2 2025, while the net loss decreased to $8.8 million ($0.03 per share) compared to $24.3 million in the prior-year period. On a six-month basis, the company achieved GAAP profitability with net income of $0.19 million.

    • Q2 2026 revenue grew 26.4% year-over-year to $370.58 million, and H1 2026 revenue increased 27.2% to $728.58 million.
    • Customers generating over $50,000 in ARR grew 36% year-over-year to 4,477 with an overall Dollar-Based Net Revenue Retention (NRR) rate of 109%.
    • Under its $500 million share repurchase program authorized in March 2026, the company repurchased 20,479,864 shares of Series A common stock for approximately $340.9 million through June 30, 2026.
  • ·The DrumMarketing

    Klaviyo Launches First Global Brand Campaign with D'Arcy Carden

    Klaviyo, a marketing automation platform, has launched its first global brand campaign titled 'Your Brand's Best Friend,' featuring Emmy-nominated actress D'Arcy Carden. The campaign, created by independent agency Gus and directed by Watts through Stink, showcases Klaviyo's B2C CRM features through humorous office sketches. It premieres across streaming, social, and outdoor channels, with significant US presence during NFL on CBS. This marks Klaviyo's first major brand push since introducing its autonomous B2C CRM platform. The campaign aims to inject humor into B2B advertising, positioning Klaviyo as a devoted work companion for marketers.

    • Klaviyo launched its first global brand campaign 'Your Brand's Best Friend'.
    • The campaign features actress D'Arcy Carden.
    • The campaign was created by independent agency Gus.
  • ·AdzineEmail Marketing

    70% of Newsletter Subscribers Purchase After Clicking Offer

    A new study by Omnicom and United Internet Media reveals that 70% of current or former newsletter subscribers in the DACH region have made a purchase or booking within six months of clicking an offer in a newsletter. The survey, conducted by Bilendi in October and November 2025, included 6,014 internet users aged 18-69 across Germany, Austria, and German-speaking Switzerland. The study also found that 71% of subscribers subscribe to newsletters from online shops, and 55% cite discounts as a reason for subscribing. Additionally, 78% want to control the topics they receive, and 59% are interested in dynamic newsletters. The findings highlight the significant role of email marketing in the purchase journey, though the study does not measure conversion rates.

    • 70% of newsletter subscribers in the DACH region purchased or booked within six months after clicking a newsletter offer.
    • Study surveyed 6,014 internet users aged 18-69 in Germany, Austria, and Switzerland.
    • 71% of subscribers receive newsletters from online shops, 49% from internet services, 40% from events, and 39% from editorial newsletters.

Compare their exact ecosystem overlaps.

Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Constant Contact and Klaviyo share across the market ecosystem.