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Brief

Fast Simon

eCommerce Marketing Technology

Fast Simon helps eCommerce brands increase revenue by delivering AI-powered search, personalization, and merchandising that turns browsers into buyers. It enables marketers to control product discovery and run on-site promotional strategies without engineering resources.

Last updated Oct 25, 2026 by ATDb automated enrichment · Connections updated Oct 26, 2026

Founded
2016
HQ
Los Altos, California, United States
Connections
9

AI-drafted from public sources1 source cited

At a glance

Employees
51-200
Funding
$20M
Revenue
$10M-$30M
8integrations

About

Leading AI-powered site search and merchandising platform for mid-market eCommerce merchants, with strong penetration in the Shopify ecosystem

Fast Simon (formerly InstantSearch+) is an AI-driven eCommerce optimization platform designed to enhance the shopping experience through advanced site search, product discovery, merchandising, and personalization capabilities. The platform leverages machine learning to deliver highly relevant search results, smart filters, and personalized product recommendations that help online retailers increase conversion rates and average order values. Fast Simon integrates with major eCommerce platforms including Shopify, BigCommerce, Magento, and WooCommerce, making it accessible to a wide range of merchants. From a marketing and advertising perspective, Fast Simon serves as a critical tool for eCommerce marketers by enabling them to control how products are surfaced and promoted on-site, run targeted merchandising campaigns, and personalize the shopping journey based on behavioral data. Its merchandising suite allows marketers to pin products, create promotional banners, and set business rules that align product discovery with marketing goals and promotional calendars. Fast Simon competes in the growing eCommerce search and discovery space alongside players like Searchanise, Klevu, Algolia, and Constructor.io. The company has positioned itself as a mid-market to enterprise solution with a strong presence in the Shopify ecosystem, offering a robust feature set at competitive price points. It serves thousands of online stores globally and has built a reputation for fast implementation and measurable impact on revenue metrics.

Business model

SaaS

Target market

Mid-Market, SMB

What they offer

  • AI Search

    Intelligent site search with natural language processing, typo tolerance, and semantic understanding to surface the most relevant products

  • Smart Collections & Merchandising

    AI-driven product collection pages with business rules, pinning, boosting, and promotional controls for marketers

  • Personalization

    Behavioral personalization engine that tailors product recommendations and search results to individual shoppers

  • Product Recommendations

    Upsell and cross-sell widgets powered by machine learning, deployable across product, cart, and checkout pages

  • Visual Discovery

    Visual search and image-based product discovery capabilities allowing shoppers to find products by image

  • Filters & Facets

    Smart, dynamic filtering options that adapt to search context and inventory to improve product discovery

  • Analytics & Insights

    Merchandising and search performance analytics dashboard to track conversions, click-through rates, and revenue impact

  • A/B Testing

    Built-in experimentation tools to test merchandising strategies and search configurations

Key features

AI-powered semantic search with NLPMerchandising rules and product pinningBehavioral personalizationVisual searchSmart product recommendationsDynamic filters and facetsReal-time analytics dashboardA/B testing for search and merchandisingNo-code merchandising controlsMulti-platform eCommerce integration

Use cases

Improving on-site search relevance and conversion ratesRunning promotional merchandising campaigns aligned with marketing calendarsPersonalizing product discovery for returning shoppersReducing zero-results search pagesUpselling and cross-selling through intelligent recommendationsVisual product discovery for fashion and lifestyle brandsManaging large catalog navigation with smart filters

Customer segments

Shopify and Shopify Plus merchantsBigCommerce merchantsMagento/Adobe Commerce merchantsFashion and apparel eCommerce brandsConsumer electronics retailersHealth and beauty eCommerce brandsHome goods and furniture retailers

Tech & specs

Technology stack

Machine learning / AINatural language processing (NLP)Shopify APIBigCommerce APIREST APIJavaScriptCloud infrastructure (AWS)

Security & compliance

GDPRCCPA

Deployment

Cloud

API

Yes

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