3TS Capital Partners vs Balderton

BOOKR Kids Raises €6.1M Series A; Callstack Acquires Margelo

Budapest-based educational technology company BOOKR Kids has secured €6.1 million in a Series A funding round led by TCEE Fund IV, advised by 3TS Capital Partners. The capital will support international expansion of its digital language-learning library and AI-enabled teacher tools. Concurrently, Polish software developer Callstack has acquired Vienna-based mobile engineering firm Margelo, a specialist in React Native open-source libraries, in a deal valuing Margelo at over €20 million. Founder Marc Rousavy will remain with Callstack to drive mobile technology developments.

• BOOKR Kids secured €6.1 million in a Series A round led by TCEE Fund IV.
• BOOKR Kids reports revenues of approximately $2.7 million for 2025 and is EBITDA-positive.
• Polish software development company Callstack acquired Vienna-based mobile engineering firm Margelo.

BOOKR Kids Secures €6.1 Million Series A for EdTech Expansion

Budapest-based EdTech company BOOKR Kids has closed a €6.1 million Series A funding round to accelerate its global expansion and scale its AI-supported digital literacy platforms. The round was led by TCEE Fund IV, advised by 3TS Capital Partners, alongside participation from Kids Read Now, SchoolDay, Infinit Capital Oy, and the FusionWise angel syndicate. The funds will go toward global expansion in Asia, the Middle East, Europe, and the Americas, as well as developing new products like BOOKR Next and BOOKR Phonics. Its digital learning ecosystem currently supports over 600,000 paying students across 3,000 schools globally. Additionally, BOOKR Kids integrates GenAI in a secure teacher-facing dashboard, ensuring compliance with the EU AI Act's child-safety and privacy-by-design principles.

• BOOKR Kids completed a €6.1 million Series A round led by TCEE Fund IV and advised by 3TS Capital Partners.
• The capital will fund the launch of the new Teacher Dashboard, the structured reading program BOOKR Phonics, and secondary education expansion with BOOKR Next.
• The platform currently serves over 600,000 paying students in more than 3,000 schools across 30 countries.

Introducing the Balderton Founder Council

Balderton announces the launch of its Founder Council, a new initiative to support founders.

Duvo raises $32M Series A to expand enterprise AI

Duvo, an enterprise AI platform founded by Rohlik's Tomáš Čupr, announced a $32 million Series A funding round led by Balderton Capital, with participation from Index Ventures, Northzone, and Credo Ventures. The round brings Duvo's total funding to $48 million. The company plans to use the funds to expand its sales and marketing efforts, initially targeting retailers and CPG companies. Duvo's platform, Duvo Clarity, uses AI to document and automate business processes, reducing manual work and improving efficiency. The company counts Morrisons, Holland & Barrett, Boden, Notino, and Allegro among its clients and claims to have generated over $100 million in value for customers. Duvo is also expanding into the US market and exploring opportunities in Asia.

• Duvo raised a $32 million Series A led by Balderton Capital.
• Total funding now stands at $48 million.
• Duvo works with companies including Morrisons, Holland & Barrett, Boden, Notino, and Allegro.

Spott Raises $21M Series A for AI Recruitment Platform

Spott, an AI-native applicant tracking system (ATS) and CRM platform for recruitment agencies, has raised €18.3 million ($21 million) in Series A funding. The round was led by Balderton Capital with participation from Base10 Partners, Y Combinator, and Fortino. Founded in Leuven in 2024, Spott consolidates candidate management, search, conversations, and automation into a single unified AI workspace, turning emails, CVs, and pipeline data into actionable intelligence. The company reports revenue growth of more than tenfold since the start of 2026 and serves hundreds of agencies, including H.W. Anderson and CGP Group. The funds will support international expansion, enterprise features, and agentic AI development, with plans to open offices in Sydney and New York and grow headcount from 44 to around 60 by year-end.

• Spott raised €18.3 million ($21 million) in Series A funding led by Balderton Capital, with participation from Base10 Partners, Y Combinator, and Fortino.
• Founded in Leuven in 2024 by Lander Degreve, Manu Vanderveeren, and Samuel Smeys.
• Spott's platform integrates candidate management, search, conversations, and automation for recruitment agencies, turning emails, CVs, and pipeline data into actionable intelligence.