Mosaic Raises $18M Series A To Build AI-Driven Operating System For Deal Makers

Mosaic, an AI-driven deal modeling platform for private markets, has successfully raised $18 million in a Series A funding round led by Radical Ventures. The announcement was made on April 22, 2026, and the capital will be utilized to enhance Mosaic's product capabilities and expand its team as it seeks to deepen its integration within private equity workflows and extend its reach into adjacent markets such as investment banking and private credit.

Mosaic's platform automates deal modeling analyses that have traditionally been conducted using Excel, enabling users to execute complex financial models with greater speed and accuracy. The platform combines deterministic, rules-based calculations with AI-driven processes, allowing deal teams to minimize errors and focus on strategic decision-making rather than mechanical tasks. Mosaic is already employed by some of the leading institutions in the private markets, including Warburg Pincus, Bridgepoint, and Evercore, and has been recognized for significantly accelerating the completion of core deal analyses, such as leveraged buyouts (LBOs) and discounted cash flows (DCFs).

The strategic rationale behind this funding round is clear: as private equity and investment banking firms increasingly seek to leverage technology to improve operational efficiency, Mosaic positions itself as a critical player in the evolving landscape of financial services. The platform's agentic AI feature, Mosaic Autopilot, allows users to initiate model creation through simple email prompts, further streamlining the modeling process and enhancing productivity. This innovation addresses a long-standing challenge in the industry, where high-caliber talent often spends excessive time troubleshooting and refining spreadsheet models.

The recent funding will enable Mosaic to expand its New York-based team, focusing on engineering, customer enablement, and go-to-market strategies. The company plans to grow its workforce from 16 to over 40 employees by the end of 2026, reflecting its commitment to scaling operations and meeting the increasing demand for its services. Additionally, the inclusion of experienced professionals from Radical Ventures on Mosaic's Board of Directors is expected to provide valuable strategic guidance as the company navigates its growth trajectory.

The implications of this funding round extend beyond Mosaic itself. As the financial services sector continues to grapple with the integration of artificial intelligence and automation, the success of platforms like Mosaic may serve as a benchmark for other technology-driven solutions in the industry. The ability to automate complex financial analyses not only enhances efficiency but also fosters a culture of data-driven decision-making among investment professionals. As firms increasingly adopt such technologies, the competitive landscape will likely shift, rewarding those who can effectively leverage innovation to drive better investment outcomes.