Marketing Tech Startups

Jellybooks provides book preview and discovery services that help publishers increase reader engagement and sales through embedded excerpts and accessible reading experiences. The platform integrates with publishers' websites, retailers, and bookshops across multiple regions to enable customers to preview content before purchasing.

1 investor

Jem Social is a creator-marketing platform that lets brands hire vetted UGC creators and influencers, run campaigns, track per-creator performance with real-time analytics, and put paid ad spend behind top-performing content. It covers the full workflow—creator discovery, outreach, briefs, contracts, payments, and revenue attribution—for consumer apps, SaaS, local businesses, and other brands.

1 investor

Jiffy Software develops e-commerce platforms, custom software solutions, and digital strategies for businesses of various sizes. The company serves companies looking to sell online, scale operations, or enter new markets.

1 investor

JKC is a Dutch digital agency active since 2017 that designs, builds and markets websites, and provides online marketing, e-commerce, branding and process automation services supported by AI. It works from Eindhoven and Rotterdam for SMEs, corporates, municipalities and social organizations across the Netherlands.

1 investor

J Media Group builds WordPress-based websites, branding systems, and digital content for B2B companies, federal contractors, and growth-stage teams. The company has completed over 500 projects across various industries over 11 years.

1 investor

JobReel Studio analyzes open job postings to compute a Recruiting Complexity Index (RCI) from real-time labor-market data, then generates animated "JobReels" for career pages and sets up optimized social media recruiting campaigns for channels like LinkedIn, Meta, YouTube, and TikTok. It serves in-house recruiting teams, job boards, and ATS platforms, which can use it standalone or embedded via widget and API.

1 investor

Joinedapp provides Web3.0 e-commerce middleware that lets brands and influencers sell across messaging and social channels such as Instagram, WhatsApp, and TikTok, with conversational shopping, crypto payments, and NFT storefronts. The platform also includes AI chatbots, customer analytics, and marketing automation for lead generation, re-engagement, and business intelligence.

1 investor

Kantiv is a pursuit management platform for architecture and design firms that organizes institutional knowledge, project profiles, and team data to accelerate RFx (request for proposal) responses and increase win rates.

1 investor

Jonas Event Technology provides event registration and onsite management solutions for event organizers and exhibitors, including badge printing, attendee data capture, and event analytics. The company serves conference, trade show, and event industry customers internationally.

1 investor

Jonas Sports provides an integrated technology platform for sports organizations, combining retail systems, customer engagement, payments, and fan data management to help clubs increase revenue and operational efficiency.

1 investor

Julie Desk offers AI virtual assistants that handle tasks by email and calendar, including scheduling meetings, answering incoming client and supplier emails, and identifying and contacting leads. It also provides a virtual marketing assistant ("Paul") that manages digital marketing across platforms like LinkedIn, Facebook, Instagram, and Google, covering post creation, SEO, and paid campaigns.

1 investor

July is an AI platform for creator and talent agencies that combines media kits, a deal-management CRM, and payment tools to pitch talent, track brand partnerships, and automate invoicing and commission splits. It serves talent managers and digital talent agencies managing creator brand deals.

1 investor

Jun Group is an advertising technology company that runs personalized ad campaigns using zero-party data and AI, offering solutions for brands and agencies, CPG and retail shopper marketing, influencer marketing, and healthcare audiences. It helps marketers deliver measurable outcomes and connect with specific audiences including patients and providers.

1 investor

Jungle Creations is a media and marketing company that runs multi-platform social campaigns and branded content for consumer brands, using owned publishing brands such as Twisted to reach audiences on Facebook and Instagram. It produces recipe and lifestyle content and influencer activations for clients like M&M's and Wasa.

1 investor

Jungler is a strategic consulting service for influencer marketing, working across social platforms with all types of influencers and creators. It offers services including talent scouting, creative video/UGC production, campaign management, and pre/post-campaign data analysis with proprietary algorithms to provide measurable, certified KPIs.

1 investor

Junip is a customer reviews platform that helps ecommerce brands collect reviews, photos, and videos through automated review requests and display them on-site with no-code widgets. It also syncs reviews to external sales channels like Google Shopping and Meta Shops, serving fast-growing direct-to-consumer brands.

1 investor

JUSTTAG Group runs a data-driven marketing and retail media platform in Poland, using location, transactional and behavioral data plus AI to help brands target consumers and measure how digital campaigns drive in-store traffic. It serves advertisers and brands with audience targeting, campaign analytics, and offline-to-online attribution.

1 investor

Kadabra builds and maintains marketing campaigns for Beyond Media Ltd, with expertise in organic and paid marketing. The company operates websites across multiple global markets with particular knowledge of the Far East market.

1 investor

Kadonation provides a corporate gifting platform that lets commercial and marketing teams automate sending gifts, incentives, and digital gift cards tied to CRM and campaign actions. It integrates with tools like HubSpot, Salesforce, Marketo, and ActiveCampaign to support relationship management, loyalty programs, and lead generation.

1 investor

KAIGI Group is a Japanese holding group that operates an ecosystem spanning marketing, creative, recruitment/HR, and environmental (GX) business lines. It provides media, educational courses, awards, events, certification tests, and talent placement services aimed at professionals and companies across these domains.

1 investor

Kalder provides a platform that turns loyalty and rewards programs into a revenue-generating "Rewards Media Network," offering card-linking technology, an aggregated network of 35,000+ brand-funded offers, and a white-labeled rewards app. It serves fintechs, sports teams, retailers, and grocers that want to monetize their customer base and rewards currency. The company has been acquired by Luumis.

1 investor

Karavel provides automated daily monitoring of a company's online content — including websites and affiliate/influencer social posts — to detect compliance gaps such as outdated rates, missing risk warnings, expired promotions and regulatory language changes. It serves compliance, marketing, legal and risk teams through a single dashboard, with a focus on financial promotions and regulatory (e.g. FCA) requirements.

1 investor

Kargo operates an invitation-only advertising marketplace that combines technology, media, and creative to build and activate digital ad experiences across CTV, social, open web, and mobile. It serves brands and advertisers with high-impact creative formats, contextual targeting, and cross-platform measurement.

1 investor

Kaspr is a prospecting and sales intelligence tool designed for small and medium-sized businesses and individual contributors to identify and engage potential leads. The platform is part of the Cognism Group and provides global sales data to support predictable lead generation.

1 investor