Constructor

Constructor

SaaS search and product discovery platform

Overview

Constructor.io provides a SaaS search and product discovery platform for ecommerce. It helps large ecommerce brands personalize online experiences and improve key metrics by using customer clickstream data and transformer-based machine learning models to understand and predict user behavior. The platform is API-first, headless, and composable, so it can plug into a company’s existing systems and workflows. It is designed to reduce manual merchandising tasks and empower ecommerce teams to act more strategically and quickly. Unlike many competitors, it emphasizes enterprise-grade integration, strong customer success through dedicated managers, training, performance reviews, and live support, and a subscription-based model that ensures ongoing support and updates. The goal is to help clients optimize digital merchandising, personalize customer experiences, and boost business KPIs such as conversion, revenue, and efficiency.

About Constructor

Simplify's Rating
Why Constructor is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Enterprise Software

AI & Machine Learning

Company Size

1,001-5,000

Company Stage

Series B

Total Funding

$86.1M

Headquarters

San Francisco, California

Founded

2015

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Simplify's Take

What believers are saying

  • Constructor reported 82% customer growth in FY26 and 96% gross revenue retention.
  • FY26 platform scale hit 322 billion product discovery interactions, validating enterprise demand.
  • Retail Media Suite launched March 25, 2025, and customers reported seven-figure advertising gains.

What critics are saying

  • Algolia markets 17,000+ customers and 99.999% availability, pressuring Constructor’s enterprise deals.
  • Custom enterprise pricing and long implementations keep Constructor vulnerable to cheaper search-only substitutes.
  • If retailers standardize on in-house LLM search, Constructor’s discovery wedge gets commoditized quickly.

What makes Constructor unique

  • Constructor’s Reasoning Engine unifies search, browse, recommendations, retail media, and MIA.
  • MIA, launched March 24, 2026 at Shoptalk, explains rankings and automates merchandising actions.
  • Constructor optimizes paid and organic results together, unlike generic search vendors.

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Funding

Total Funding

$86.1M

Above

Industry Average

Funded Over

4 Rounds

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.
Series B Funding Comparison
Below Average

Industry standards

$35M
$30M
Patreon
$45M
Linktree
$65M
Substack
$100M
ClickUp

Benefits

Unlimited Paid Time Off

Remote Work Options

Home Office Stipend

Stock Options

Parental Leave

Professional Development Budget

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

1%

2 year growth

5%
PR Newswire
Mar 24th, 2026
Constructor unveils AI agent MIA to help ecommerce merchandisers understand product rankings and automate workflow actions

Constructor has unveiled Merchant Intelligence Agent (MIA), an AI agent designed to help ecommerce merchandising teams understand and improve product discovery. Announced at Shoptalk, MIA explains product rankings, suggests optimisations and automates merchandising tasks. The agent addresses a common challenge where merchandisers must investigate why products don't appear as expected in search results. MIA proactively provides AI-generated explanations and allows teams to ask natural-language questions about product visibility, campaign performance and ranking factors. Key features include automated explanations of search results, actionable recommendations for improving product visibility, AI-assisted campaign creation with pre-filled fields, and executive-ready reporting summaries. MIA is part of Constructor's Commerce Reasoning Engine and joins the company's existing AI agents for shoppers. Constructor's platform serves major retailers including Sephora, Petco and The Very Group.

PR Newswire
Mar 12th, 2026
Constructor grows customer base 82% in FY26, platform powers 322B shopping interactions

Constructor, an AI-powered search and product discovery platform for ecommerce, reported 82% customer growth in its fiscal year 2026. The company achieved 96% gross revenue retention and powered 322 billion product discovery interactions — equivalent to over 10,000 personalised shopping experiences per second. The San Francisco-based company expanded globally, growing EMEA revenues 116% year-over-year whilst increasing headcount by 45%. Constructor launched several AI innovations, including AI Product Insights Agent and AI Shopping Agent, with customers reporting results such as 52% increases in add-to-cart rates and 10% lifts in website revenue. The company also introduced a Retail Media Suite for onsite advertising, with customers achieving seven-figure gains in advertising revenue. Constructor raised total funding of $295 million across three rounds in 14 months.

PR Newswire
May 1st, 2025
Constructor Named 'Retail Company Of The Year' In 2025 American Business Awards®

This marks the second year in a row that Constructor has earned a gold award in this program; judges praise its 'supersonic growth journey' and 'innovation'SAN FRANCISCO, May 1, 2025 /PRNewswire/ -- Constructor , the leading AI-powered search and product discovery platform for enterprise ecommerce companies, is a winner in the 2025 American Business Awards®. Constructor earned gold — the highest-level honor — for "Retail Company of the Year" in the mid-sized company division, with judges calling Constructor "innovative," "groundbreaking," and "a game-changer in the ecommerce world."The American Business Awards are the U.S.A.'s premier business awards program. All organizations operating in the U.S.A. — public and private, for-profit and nonprofit, large and small — are eligible to submit nominations. The program received more than 3,600 nominations this year.Constructor was recognized for enabling product discovery — powered by factors beyond keyword relevance — and connecting shoppers to the products they actually want to buy: aligned with their individual affinities and in-the-moment intent. Retailers worldwide use Constructor to create personalized, revenue-generating experiences across search results , browse functionality , product recommendations , landing pages , AI Shopping Assistant results and more — including sponsored listings on retail websites and apps, through Constructor's recently announced Retail Media Suite.This is the second year in a row Constructor has won gold in the American Business Awards

PR Newswire
Mar 25th, 2025
Constructor Unveils Retail Media Suite With Personalized Sponsored Listings And Retail Media Network Integrations

New AI-powered solution is the first to integrate organic and paid listings — showing ads only when they increase key ecommerce metrics; See the tech in action at ShoptalkSAN FRANCISCO and LAS VEGAS, March 25, 2025 /PRNewswire/ -- SHOPTALK -- Constructor , the leading AI-powered search and product discovery platform for enterprise ecommerce companies, announced its Retail Media Suite. This includes Sponsored Listings, an offering that dramatically improves retail media performance by making online ads more attractive to each shopper. Now, retailers can serve personalized ads — integrated within search results, browse experiences and product recommendations — that learn from shopper interactions and complement (rather than compete with) organic placements. The result: dramatically higher engagement and revenue, without disrupting the shopper journey.Retail media — or advertising on a retailer's properties, such as their website or mobile app — has become a critical revenue driver in ecommerce, with global retail media spending projected to reach $165 billion this year. As brands seek to place ads where customers already are, Constructor has the data and technology to ensure the right placements reach the right shoppers at the right time.For years, Constructor's AI-based platform has helped retailers show shoppers the best organic results in search, browse, recommendations and more — powering hundreds of millions of personalized experiences each day. Sponsored Listings marks Constructor's expansion into retail media, bringing its expertise in personalization and product-ranking to this fast-growing space.A smarter approach to sponsored placementsToo often today, the sponsored products shown to shoppers are generic and impersonal — shortchanging all parties involved

PR Newswire
Mar 19th, 2025
Constructor Named To Fast Company'S 'World'S Most Innovative Companies Of 2025' List

Ecommerce search and product discovery leader ranks #10 in the world for retail innovation — recognized for 'pointing shoppers toward what they need' and helping brands create high-impact digital experiences that drive revenueSAN FRANCISCO, March 19, 2025 /PRNewswire/ -- Constructor , the leading AI-powered search and product discovery platform for enterprise ecommerce companies, has been named to Fast Company's "World's Most Innovative Companies" list for retail for 2025. This prestigious, annual list spotlights businesses shaping industry and culture through their innovations. Constructor earned its spot for setting new industry standards in retail — delivering breakthrough solutions that help retailers personalize digital shopping experiences and grow revenue."Innovation is at the core of everything we do, and with the rapid evolution of large language models (LLMs) and the amount of ecommerce data we have to train them on, it's a very exciting time to be operating in our space," said Constructor CEO Eli Finkelshteyn. "Our goal has always been driving real, measurable value for our customers, and one of the things that most excites me today is how much more room there is to do that with advances we've made — and will make — in generative AI trained on ecommerce-specific data."Finkelshteyn continued: "With our platform, purpose-built for ecommerce, we're committed to giving retailers the best search and product discovery solutions — so they, in turn, can deliver the most innovative and useful shopping experiences. It's an honor to be recognized by Fast Company, and it's an honor to be able to do the type of innovative work with our customers that got us here."Transforming ecommerce with AI-based product discoveryConstructor was named as the #10 most innovative company in the retail sector. Many of the world's top retailers rely on Constructor to personalize and optimize online shopping experiences

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