Stackline Funding, Investors & Competitors

Bloomreach is an Amsterdam-headquartered provider of the Commerce Experience Cloud for digital commerce. Discovery delivers AI-powered search and merchandising, Content manages headless CMS sites, and Engagement unifies customer data platforms with marketing automation. It powers experiences for over 850 brands including Albertsons, Staples, Puma, Bosch, and Marks & Spencer, integrating with partners like Salesforce, SAP, and Accenture.

Zeta Global Holdings Corp is an omnichannel data-driven cloud platform that provides enterprises with consumer intelligence and marketing automation software. It serves enterprise customers across multiple industries, including financial services, insurance, telecommunications, automotive, travel and hospitality, and retail. Its Zeta Marketing Platform, or ZMP, is an omnichannel marketing platform with identity data at its core. The ZMP can analyze billions of structured and unstructured data points to predict consumer intent by leveraging sophisticated machine learning algorithms and the industry's opted-in data set for omnichannel marketing. The company operates in U.S, where it generates maximum revenue and Internationally as well.

DoubleVerify Holdings Inc is a digital media measurement and analytics software platform. Its solutions provide advertisers with unbiased data analytics that enable them to increase the effectiveness, quality, and return on their digital advertising investments. Its DV Authentic Ad, a proprietary metric of digital media quality, measures whether a digital ad was delivered in a brand-suitable environment, fully viewable, by a real person, and in the intended geography. The company's software interface, DV Pinnacle, delivers these metrics to customers in real time, allowing them to access critical performance data on their digital transactions. Geographically, the company operates in the United States and also has a presence in Germany, Singapore, France, Canada, Japan, and other countries.

VideoAmp is an adtech company headquartered in Los Angeles and New York. It provides media measurement, data, and software that help advertisers and media owners plan and value ad spend across TV, streaming, and digital video, positioning its tools as an alternative media currency to incumbents like Nielsen. Its platform is used by major media holding companies, publishers, independent agencies, and advertisers to optimize campaigns based on audience and performance data.

Sprout Social Inc develops a cloud software that brings together social messaging, data and workflows in a unified system of record, intelligence, and action. It has a centralized, secure and powerful platform that can scale horizontally across an organization to drive maximum business value. The firm generates majority revenue from software subscriptions.

Attentive is a New York-headquartered conversational commerce platform specializing in SMS marketing for retail and e-commerce brands. The service enables personalized messaging campaigns compliant with TCPA regulations, integrating with Shopify and Klaviyo. Serving over 2,000 brands like CB2 and Pura Vida, Attentive processes billions of messages annually to drive customer retention and sales.

Rokt is a Sydney-headquartered e-commerce platform that embeds personalized native advertisements into checkout and transactional flows on partner websites. Founded in 2012, the company operates across North America, Europe, Asia-Pacific, and Latin America, serving retailers and brands such as Expedia, Qantas Airways, and Rakuten. Rokt's AI-driven system analyzes consumer intent at the point of purchase to deliver relevant post-transaction offers, boosting revenue through high-conversion messaging. The platform integrates with major publishers including eBay and Hotels.com, powering experiences across travel, insurance, and retail verticals.

Rezolve AI PLC is an AI-powered solutions company, specializing in enhancing customer engagement, operational efficiency, and revenue growth for the retail and e-commerce sectors. The company's product, Brain Commerce, powered by its proprietary Large Language Model (LLM) brainpowa, transforms the online shopping experience. By surpassing traditional site search and product discovery tools, Brain Commerce improves conversion rates, increases average order value (AOV), and reduces cart abandonment. The company has one reportable segment, which is cloud-based services. Geographically, the company generates revenue from Canada, the United States, Mexico, Australia, the United Kingdom, and Japan, with the majority of revenue generated from the United States.

Alphabet is a holding company that wholly owns internet giant Google. The California-based company derives slightly less than 90% of its revenue from Google services, the vast majority of which is advertising sales. Alongside online ads, Google services houses sales stemming from Google’s subscription services (YouTube TV and YouTube Music, among others), platforms (sales and in-app purchases on Play Store), and devices (Chromebooks, Pixel smartphones, and smart home products such as Chromecast). Google’s cloud computing platform accounts for roughly 10% of Alphabet’s revenue. The firm’s investments in up-and-coming technologies such as self-driving cars (Waymo), health (Verily), and internet access (Google Fiber) make up the rest.

Salesforce provides enterprise cloud computing solutions. The company offers customer relationship management technology that brings companies and customers together. Its Customer 360 platform helps the group deliver a single source of truth, connecting customer data across systems, apps, and devices to help companies sell, service, market, and conduct commerce. It also offers Service Cloud for customer support, Marketing Cloud for digital marketing campaigns, Commerce Cloud as an e-commerce engine, the Salesforce Platform, which allows enterprises to build applications, and other solutions, such as MuleSoft for data integration.

AppLovin is a vertically integrated advertising technology company that acts as a demand-side platform for advertisers, a supply-side platform for publishers, and an exchange facilitating transactions between the two. About 80% of AppLovin’s revenue comes from the DSP, AppDiscovery, while the remainder comes from the SSP, Max. AppLovin’s primary tool for future growth is AXON 2, which is an ad optimizer operating within the DSP that allows advertisers to place ads according to specified return thresholds.

Baidu is the largest internet search engine in China with over 50% share of the search engine market in 2024 per web analytics firm, Statcounter. The firm generated 70% of core revenue from online marketing services from its search engine in 2024. Outside its search engine, Baidu is a technology-driven company and its other major growth initiatives are artificial intelligence cloud, video streaming services, voice recognition technology, and autonomous driving.

HubSpot provides a cloud-based marketing, sales, and customer service software platform referred to as the growth platform. The applications are available ala carte or packaged together. HubSpot’s mission is to help companies grow better and has expanded from its initial focus on inbound marketing to embrace marketing, sales, and service more broadly. The company was founded in 2006, completed its initial public offering in 2014, and is headquartered in Cambridge, Massachusetts.

Talkdesk is a San Francisco-headquartered cloud contact center platform integrating AI for customer service across sales, support, and operations. The company deploys Industry Experience Clouds for verticals like retail and healthcare, enhanced by generative AI for agent empowerment and personalization. Talkdesk serves global enterprises with pre-built solutions deployed in multiple languages.

Gong is a revenue intelligence platform that records, transcribes, and analyzes sales calls and customer meetings across phone, video, and email channels. The company delivers actionable insights on conversation patterns, deal risks, and coaching opportunities. Serving technology, finance, healthcare, and other sectors, Gong integrates with CRM systems like Salesforce. Tel Aviv-headquartered with US operations, it processes millions of interactions annually for enterprise clients including HubSpot and LinkedIn.

Clay is a San Francisco-headquartered platform for go-to-market teams, integrating data from over 100 providers for contacts, firmographics, and intent signals. Launched in 2022, it features AI-powered research agents, workflow automation, and enrichment tools used by sales organizations worldwide.

The Trade Desk provides a self-service platform that helps advertisers and ad agencies programmatically find and purchase digital ad inventory (display, video, audio, and social) on devices like computers, smartphones, and connected TVs. It uses data in an iterative manner to optimize the performance of ad impressions purchased. The firm’s platform is referred to as a demand-side platform in the digital ad industry, and it generates revenue from fees based on a percentage of what its clients spend on advertising.

Amdocs Ltd is a provider of software and services to communications, entertainment, and media service providers. The Company operates in a single segment and designs, develops, markets, supports, implements, and operates open and modular cloud offerings. Its portfolio includes solutions across digital business systems and legacy business and operational support systems, supporting multiple lines of business such as wireless, broadband, cable, fiber, satellite, and digital services. The Company leverages artificial intelligence to support digital transformation, cloud adoption, and intelligent network automation. Geographically, it derives a majority of its revenue from North America and also operates in Europe and the rest of the world.