SpyFu is an American search analytics and marketing intelligence company focused on helping businesses "spy" on competitors’ search strategies and turn those insights into profitable SEO and PPC campaigns. The SaaS platform lets users enter any domain and instantly see the keywords it ranks for organically, the Google Ads terms it bids on, historical ad copy, and estimated traffic and spending. With deep keyword research, multi-domain comparison (Kombat), rank tracking, backlink analysis, and white‑label reporting, SpyFu aims to be the core research engine behind search programs for agencies, in‑house teams, and solo marketers.
The company was originally launched as GoogSpy and rebranded as SpyFu in 2005. It is based in Scottsdale, Arizona, and built on web‑scraped SERP data that now spans nearly two decades. Over time, SpyFu expanded from basic keyword spying to a full competitive intelligence suite: SEO research, PPC research, domain leads and "top lists" of big advertisers, and automated client reporting. More recently, it has layered on AI-driven capabilities like RivalFlow AI for content optimization and SpyFu GPT, which exposes SpyFu’s data directly inside ChatGPT.
SpyFu has carved out a niche as a cost‑effective alternative to heavyweight all‑in‑one platforms such as Semrush and Ahrefs. Reviews on G2, Capterra, TrustRadius and independent sites generally highlight its value-for-money, breadth of competitive data, and accessibility for non‑experts. The platform is particularly popular with small and midsize marketing agencies that need to pitch, plan, and report on campaigns across many clients without incurring high per‑seat fees.
While it doesn’t try to be a full marketing cloud, SpyFu is well regarded for its depth of historical search data and practical workflows that map directly to keyword research, competitor analysis, and PPC planning. Its focus on competitive visibility—plus relatively low pricing, unlimited searches on higher tiers, and money‑back guarantees—has helped it maintain a strong position in the SEO and PPC tooling landscape.