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Synthesized raises £15m Series A led by Redalpine to automate the most difficult parts of testing with agentic AI

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Synthesized
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Nicolai Baldin
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£15m
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London, United Kingdom
Sep 24, 2025

Synthesized, the pioneer of agentic AI-native test infrastructure and test data for enterprises, has raised a £15m Series A round led by Redalpine, with participation from IQ Capital, Mercia Ventures, UBS and Seedcamp. Deutsche Bank, who invested previously into the company, has deepened its strategic relationship with Synthesized after deploying the platform.

The investment will accelerate hiring across go-to-market, customer success, AI R&D, and engineering in North America and Europe.

Founded in 2020 by Nicolai Baldin, Synthesized uses agentic AI to automate the most difficult parts of QA and testing - the provisioning of lifelike, regulation-safe test data and full test environments for enterprises in minutes, not weeks. Companies rely on this test infrastructure to safely test new software, but creating realistic versions without exposing customer information is slow, costly and risky.

At the same time, the rise of vibe coding compounds things further. With anyone able to spin up an app in seconds, often without engineering expertise, the need for faster, more rigorous testing is more important than ever to avoid vulnerabilities, instability, and compliance risks flooding the market.

By automating the toughest and often strictest parts of this QA process – handling complex data, managing compliance rules, plugging directly into CI/CD pipelines and streamlining migration – Synthesized’s agentic AI removes these costly bottlenecks while being able to scale with demand.

It allows teams in even the most regulated sectors to release software twice as fast, halve their compliance load, and reduce cloud migration timelines by up to 75%. This gives it more scalable automation, faster time to market and provides a more secure compliance environment compared to legacy platforms.

Deutsche Bank has seen its test data provisioning time drop 50% with Synthesized, while accelerating product iterations and improving customer experience. Other global enterprise clients report up to 40% reduction in QA spend, and more stable, high-quality releases. Today, Synthesized is trusted by a growing roster of global giants from UBS and Deutsche Bank to startups and enterprises across banking, financial services, insurance, public sector, healthcare, life sciences, energy, and technology.

Test data infrastructure is the foundation for quality software. By embedding agentic AI into every layer of testing, we’re enabling organisations to modernise QA processes, accelerate digital transformation, and confidently adopt AI-native testing. With this funding, we’re scaling our team and accelerating our mission to make AI-driven test data and infrastructure the foundation for modern enterprise QA and software delivery.
Nicolai Baldin, Founder & CEO
Synthesized is tackling one of the most urgent and overlooked challenges in the age of AI: how to test, validate, and trust what we build. Their platform doesn’t just generate high-quality test data - it lays the foundation for a new class of autonomous QA agents that will transform how modern software is verified and shipped. We believe Synthesized can become the infrastructure layer for intelligent, automated quality assurance across regulated and mission-critical systems.
Daniel Graf, General Partner at Redalpine
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