A jar of vitamins does not know it is competing with 600 other jars of vitamins. Its marketing manager does. Every hour, that manager faces a small blizzard of choices: which search term deserves another 12 cents, which product has earned more budget, which placement has quietly stopped converting, and whether the answer on Amazon should change what happens on Google. Multiply that by a catalog of 10,000 items and ecommerce advertising stops looking like marketing. It starts looking like air-traffic control.
Quartile built a control tower. The New York company uses machine-learning systems to create, bid and optimize retail-media campaigns at product level across Amazon, Walmart, Instacart and Criteo, then connects that work with Google, Meta and Microsoft. Its preferred structure can put one product, one keyword and one match type into a single campaign. The point is not tidiness. It is to prevent a winning item from subsidizing a dud, or a good keyword from disappearing inside an average.
The trick is that Quartile has never sold the machine alone. Every customer, from a small seller to a global brand, gets a dedicated strategist. Software handles the frequency of decisions; people argue about objectives, promotions, margins and the messy parts of a brand that do not fit into a bid field. In a software market fond of removing humans from the brochure, Quartile keeps one in the package.
Every SKU gets a tiny trading desk
Think of a traditional ad campaign as a grocery cart. Strong and weak products are thrown together, the cart receives one budget, and a manager looks at the total after checkout. Quartile prefers rows of labeled baskets. A product can have its own bid, keyword, match type, audience and performance target. Historical data provides the baseline. New clicks, orders and costs alter the next decision. Amazon Marketing Stream can feed near-real-time signals into hourly bidding, so a campaign is not waiting for tomorrow's spreadsheet to notice that the afternoon behaved differently from the morning.
The strategist sits above the loop, setting goals and changing the playbook when the business changes.
This is where the word “AI” becomes less mystical and more clerical. The software is good at repetition, segmentation and speed. It can scan a catalog without getting bored, move money toward products that meet a target and discover search terms that deserve promotion. A strategist can ask whether the target itself is wrong. Perhaps a brand will accept lower immediate return to introduce a product, defend a category or acquire new customers. The algorithm changes the knobs; the account team decides why the machine is in the room.
Quartile takes whatever you're doing and enhances it - it's an add-on to your strategy, not a replacement.Julio Versolato, head of artificial intelligence at Earth Rated
From an Amazon wedge to seven channels
Quartile's origin story has the neat symmetry founders love. Two childhood friends spent two years developing algorithms for Amazon Ads, then launched on Madison Avenue in 2018. The street had long stood for advertising's human persuaders; this new tenant arrived to automate their bid tables. Quartile says it reached $5 million in annual recurring revenue within a year, helped by referrals and a white-glove service model.
Amazon was the wedge, not the boundary. Rockbridge Growth Equity took a minority stake in September 2020 to support sales, product development and international expansion. In December 2021, Quartile acquired Philadelphia-based Sidecar, whose software and teams worked across Google, Microsoft, Facebook and Instagram. The combined company had more than 300 people and expected to manage $2 billion in advertising spend that year. Sidecar gave Quartile a route from marketplace search into direct-to-consumer performance marketing.
Today, the pitch is one platform across the fragmented purchase journey. A shopper may discover a category on Google, compare options on Amazon, see a reminder on Instagram and buy through Walmart. Each network provides its own reporting and prefers to claim the conversion. Quartile's value is partly connective tissue: consolidate performance, move budgets, and use marketplace data to inform audiences elsewhere. The company says its customers now account for more than $25 billion in annual ad sales.
The problems are boring, expensive and everywhere
Quartile is built for a particular kind of pain: too many products, too many channels and too few hours. A small brand owner may be chief executive, marketing director and inventory planner before lunch. An enterprise team has specialists, but its Amazon, Walmart and paid-search groups can still operate as neighboring countries with different maps. In both cases, budget leaks through stale bids, broad campaign buckets, duplicated work and reports that arrive after the useful moment.
Automation promises time back, yet self-serve tools create another job: operating the automation. Quartile's managed layer is meant to absorb that burden. The service includes account audits, campaign builds, target setting, reporting and ongoing changes. For Google to Amazon campaigns, the company says its system can generate copy and build a campaign in less than 10 minutes, compared with roughly six hours of manual work. The same team manages attribution and capture of Amazon's Brand Referral Bonus.
Promotion management pushes the idea further. Coupons, Lightning Deals and Subscribe & Save offers often sit apart from advertising, even though one changes the conversion rate of the other. Quartile now coordinates more than 20 types of Amazon promotions with paid campaigns and Amazon Marketing Cloud audiences. Its Promotion IQ dashboard monitors competitor offers and price changes. The practical question is sharper than “Did the sale spike?” It is whether the discount improved organic rank, added repeat customers or merely rented revenue for a weekend.
The hybrid is the differentiation
Quartile competes in a busy part of the marketing stack. Pacvue, Perpetua, Teikametrics and Skai all help brands manage retail media. Intentwise emphasizes measurement; agencies offer people without proprietary software; large brands can build internal trading desks. Feature lists overlap quickly: automated bidding, dashboards, dayparting, keyword tools, Amazon Marketing Cloud and multichannel reporting.
Quartile's market position
Enterprise-grade retail-media automation with a managed-service spine. More hands-on than pure software, more instrumented than a conventional agency.
Quartile's defensible claim is the combination: patented product-level automation, broad channel access and an assigned person. In 2022, when it won Amazon Ads' Scaled Technology Award, the company said it held six patents across machine learning, AI and optimization algorithms. Its Amazon relationship also matters. Quartile participated in the closed beta for Amazon Marketing Stream, supplies product feedback, and has described early access to promotional API capabilities. Access is not a permanent moat, but it lets the company operationalize new tools before every advertiser has learned the menu.
The tradeoff is visible too. A bundled service is not the same purchase as a cheap dashboard or a do-it-yourself seller tool. Public pricing is not posted, so buyers enter through a demo and a tailored contract. Brands that want full control, transparent rules or a lightweight monthly subscription may prefer another route. Quartile fits teams whose advertising programs are complex enough that the cost of wasted spend and staff time is larger than the convenience of self-service.
Scale changes the company, then the category
Quartile now describes itself as the largest retail-media optimization platform, based on the spend and brand volume it manages. That scale gives its software a wide view of how categories behave, while each client's data remains the basis for its own automation. It also creates ordinary company problems. A boutique service can feel intimate with 20 employees; maintaining that feeling above 500 requires process. In 2025, Quartile added more than 100 people and formalized a Center of Excellence to standardize how teams work with customers.
The company is remote-first, with optional offices in New York and Philadelphia and teammates spread from Brazil to California. Its stated values emphasize entrepreneurship, collaboration, resilience and customer growth. An employee survey behind its 2025 Top Workplaces recognition produced an 84 percent overall workplace-experience score. In May 2026, Quartile achieved ISO/IEC 27001 certification, a less colorful but more consequential milestone for enterprise buyers handing over sensitive advertising and sales data.
The product is moving outward as well as deeper. Amazon SEO and listing optimization now feeds converting search terms from paid campaigns back into product pages. Google to Amazon reaches shoppers before they enter the marketplace. Promotion management ties discounts to advertising. Each addition closes another gap between activities that ecommerce teams historically handled in separate tools, meetings and spreadsheets.
There is a useful lesson in Quartile's design. Machines do not need to replace a marketing department to matter. They need to make a large number of narrow decisions more consistently than a person with 14 browser tabs. The person can then spend time on the decisions that contain context, taste and risk. For every jar of vitamins in the catalog, the bid still moves. Someone simply has time to ask what the brand is trying to become.