airCFO

Tech-powered, hand-crafted financials for startups

Alex Wittenberg · CEO · New York, New York, United States

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Services

Remote/nationwide for startups

Service area

About airCFO

airCFO is a specialized financial services firm built by startup experts for startups and early-stage companies. The firm's unique hybrid model combines best-in-class financial technology with personalized expert advisory services to deliver real-time insights backed by strategic advice. The company is trusted by founders at 300+ startups and has supported billions in total funding raised by customers. Core services include accounting and finance management, people operations support, and tax compliance tailored to startup needs. With over a decade of experience helping founders raise billions in funding, the team understands the unique challenges of fast-growing startups. The approach emphasizes tech-powered efficiency without sacrificing human expertise, enabling real-time financial control and ownership without building a full internal team. Key differentiators include hands-on involvement from startup specialists, custom tools built for founders, and scalable support that grows with the business. The firm has helped startups achieve measurable success, with customers reporting confidence in financial decision-making and scalability without large internal overhead. Services address critical startup needs including accurate month-end accounting, financial reporting for investors, payroll processing, tax planning and compliance, and fractional CFO support. The firm publishes regular insights through The AI CFO Newsletter covering tools, trends, and lessons shaping startup finance, demonstrating commitment to founder education and thought leadership.

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Alex Wittenberg

CEO

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At a Glance

Languages: English

Serves: Remote/nationwide for startups

Location

New York, New York

United States

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