Integral Secures €18M Series A to Scale AI-Native Accounting and Tax Services

Berlin-based fintech Integral has secured €18m in Series A funding to scale its AI-native accounting and tax platform. By combining automated agents with an affiliated licensed professional services firm, the company addresses the acute labor shortage in European compliance, offering fintech leaders a model where technology delivers finished regulatory outcomes rather than just software tools.

What was announced

Integral announced an €18m Series A round co-led by Mosaic Ventures and Reid Hoffman. The round saw participation from existing investors Cherry Ventures, General Catalyst, and Puzzle Ventures, bringing the company’s total capital raised to over €30m within two years of its founding. Based in Berlin, the firm was established by Lukas Zörner, Co-Founder and CEO, and Anil Can Baykal, Co-Founder and CTO.

The platform is designed to operate as an end-to-end licensed practice, utilizing AI agents to handle high-volume tasks such as reconciling bank transactions, preparing account postings, managing payroll runs, and drafting tax filings. Unlike traditional SaaS providers that sell software to third-party firms, Integral operates Integral Tax, an affiliated licensed professional services firm. This structure allows AI engineers and tax professionals to work on the same stack, ensuring that every manual correction by a licensed professional is fed back into the platform’s automation loop. This feedback mechanism ensures that every review by a human expert deepens the system's automation capabilities, allowing professionals to focus on judgment-based work and edge cases.

Since the start of 2024, professionals at Integral Tax have doubled their client capacity. The company reports that monthly accounting turnarounds for many clients have been reduced from several weeks to just a few hours. The service is currently focused on the German market, which the founders describe as one of the most demanding accounting and tax regimes globally. The new funding will be used to deepen automation across workflows—from initial client sign-up to complex tax filings—and to expand the team of AI engineers and licensed professionals.

"AI's real promise is amplifying what people can do, not replacing them. Integral shows what that looks like in one of the most regulated, trust-dependent industries there is: agents that multiply the reach of licensed professionals, so every small business gets the kind of financial expertise once reserved for large corporations. That's the pattern the next decade of professional services will follow and Lukas and Anil are building it where the bar is highest: Germany."

Reid Hoffman.

The companies involved

Integral is a Berlin-founded fintech specializing in AI-native professional services. The company distinguishes itself by moving beyond the "software-as-a-service" model to provide direct outcomes in accounting, tax, and payroll through its integrated technology stack and affiliated practice, Integral Tax. Founders Lukas Zörner and Anil Can Baykal launched the company after years of building banking and payments infrastructure for businesses.

Mosaic Ventures, a co-lead in this round, is a Silicon Valley-style venture capital firm based in London that focuses on early-stage lead investments in European technology startups. The firm has a history of backing founders rebuilding entire industries through machine learning and automation.

General Catalyst, an existing investor that increased its commitment in this round, is a global venture capital firm that supports founders from seed to growth stages. It has been a prominent backer of fintech infrastructure and resilience technology. Cherry Ventures is a Berlin-based early-stage firm founded by former entrepreneurs, while Puzzle Ventures provides strategic capital to high-growth technology entities. The involvement of Reid Hoffman, an investor at Mosaic Ventures and a prolific technologist, underscores the focus on AI as a tool for human augmentation within highly regulated sectors.

What FF News has reported before

FF News has closely followed the investment activity of Integral’s backers and the broader shift toward AI-integrated financial services. We recently reported on how Accrual Acquires Puzzle’s Firm Business to Expand AI-Native Client Accounting Services, highlighting a similar trend of merging software platforms with professional accounting practices. Additionally, our coverage of Félix Secures $200M Series C to Expand AI-Powered Latino Financial Platform and Xflow Launches India Collections: Global Businesses Can Now Accept UPI and Local Payments Without Local Entities reflects the ongoing expansion of AI-driven compliance and payment solutions supported by major venture players like General Catalyst and Mosaic Ventures.

What this means

This announcement signals a fundamental shift in the "fintech for business" sector, moving away from dashboard-centric tools toward "AI-native services." By taking on the liability of a licensed practice, Integral is challenging the traditional boundary between software vendors and professional service firms. This puts significant pressure on legacy accounting firms and traditional SaaS providers who rely on manual data entry or third-party integrations. The industry is moving toward a reality where compliance is a background utility rather than a managed project. The critical question for the sector is whether this vertically integrated model can maintain its quality advantage as it scales across different European regulatory jurisdictions while navigating the severe shortage of licensed human professionals required for final oversight.