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Guideline develops a comprehensive platform providing affordable, compliant 401(k) and other retirement plans primarily for small and mid-sized businesses. Its core offering delivers low-fee, payroll-synced solutions that simplify the complexities of retirement administration. The platform integrates automated deductions, contributions, and compliance features, ensuring stress-free management for employers while offering guided investment options to participants.
The company was founded in 2015 by Mike Nelson, Jeremy Caballero, and Kevin Busque. Their foundational insight stemmed from recognizing the administrative hurdles and prohibitive costs that often prevented smaller businesses from offering robust retirement benefits. The founders aimed to democratize access to quality 401(k) plans by leveraging technology to streamline processes and reduce overhead.
Guideline primarily serves businesses looking for efficient and compliant ways to provide retirement savings options to their employees. Now operating as a subsidiary of Gusto, the company’s vision is to deepen the integration between payroll and retirement benefits, creating a unified and intuitive financial wellness platform. This strategy aims to empower more businesses to easily provide essential benefits and foster employee financial security.
Guideline has raised $624.0M across 8 funding rounds.
Guideline has raised $624.0M in total across 8 funding rounds.
Guideline is a New York-based technology company specializing in advertising intelligence, real-time ad spend data, media planning, and AI-driven analytics to simplify media buying and selling.[1][2][3] It serves media strategy professionals, financial analysts, market researchers, brands, agencies, and media owners by aggregating billing data from major agency holding companies—covering $156B in annual global media spend—and providing tools like dynamic planning platforms powered by technologies such as Power BI, Hugging Face, and Google Analytics.[1][2] The company solves longstanding challenges in opaque advertising markets through automated, intelligent solutions, enabling precise decision-making, optimization, and measurement; it boasts usage by 90% of top global media companies, 5 of 5 top US broadcasters, and 6 major agency holding groups, with strong growth including recent expansions into China for cross-media ad spend visibility.[2][3][4]
Guideline emerged from the merger of leading media planning and data companies, headquartered at 24 W 40th St in New York City, with 51-200 employees and engineering software as its core focus.[1][3] This combination created a unified platform for mission-critical advertising decisions, building on pooled exclusive billing data from global agencies and independents.[2] Key milestones include rapid innovation post-merger, such as launching the first cross-media ad spend visibility into China in September 2024—targeting the world's largest digital revenue market—and introducing new data products for capital markets, solidifying its role as a trusted authority on media investment.[3][4] Early traction stems from partnerships with every major holding company and independents, positioning it as a go-to for the world's leading brands, agencies, and media owners.[1][2]
Guideline rides the wave of AI-powered advertising transformation, where real-time data and intelligence address the opacity of global media spend amid rising digital audio (66% growth noted), pharmaceuticals, and cross-border markets like China.[2][4] Its timing aligns with surging demand for automated tools in a $156B+ industry fragmented by agencies and independents, fueled by market forces such as programmatic buying, privacy regulations, and capital markets' need for ad investment signals.[2][4] By influencing ecosystem standards—through data shared with 90% of top media firms—Guideline shapes strategic planning, optimizes investments, and sets benchmarks for competitors, amplifying efficiency for brands and analysts in a data-hungry tech landscape.[1][2]
Guideline's momentum positions it to dominate AI-enhanced media intelligence, with expansions like China visibility and capital markets innovations signaling aggressive global scaling.[3][4] Trends in real-time analytics, cross-media tracking, and automated planning will propel growth, potentially capturing more of the $156B spend as agencies consolidate data needs.[2] Its influence may evolve into an indispensable infrastructure layer, blending data with AI to redefine advertising ROI measurement and forecasting for enterprises worldwide—building directly on its foundation as the most trusted solutions provider.[1][2]
Guideline has raised $624.0M across 8 funding rounds. Most recently, it raised $200.0M Other Equity in June 2021.
Guideline has raised $624.0M in total across 8 funding rounds.
Guideline's investors include Aaron Goldman, Felicis Ventures, Greyhound Capital, Propel Venture Partners, General Atlantic, 01 Advisors, 2048 Ventures, 8-Bit Capital, Kevin Hartz, Addition, Andreessen Horowitz, Arthur Ventures.
