A PPC agency manages paid search and paid media campaigns across Google, Microsoft, and Amazon — turning ad spend into measurable revenue. The best PPC agencies are platform-agnostic and benchmark-obsessed, allocating budget to the channels that deliver the lowest CPA for your specific business model.
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4.2x Avg PPC ROAS Cross-channel median $3.12 Avg CPC (All Channels) PPC benchmark 2026 41% Search Ads Share of Revenue Digital ad revenue share 3.75% Avg PPC CVR All industries medianProfiles appear here only when their service evidence explicitly matches PPC, not merely a broad marketing category.
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PPC requires specialized expertise that generalist agencies rarely provide. Here is what you are actually buying.
Search, Shopping, Performance Max, and Display campaigns. Keyword strategy, Quality Score optimization, and bid management against CPA and ROAS targets across the full Google ecosystem.
Bing Search and Microsoft Audience Network campaigns. Often overlooked, Microsoft Ads typically delivers 20–30% lower CPCs than Google with a higher-income demographic skew — strong for B2B and high-ticket categories.
Sponsored Products, Sponsored Brands, and Sponsored Display campaigns on Amazon. Feed optimization, ASIN targeting, and ACoS management for marketplace sellers.
Multi-channel paid programs that coordinate Google with Meta, LinkedIn, or TikTok. Budget allocation modeling and cross-channel attribution to optimize total blended ROAS.
Landing page testing, Quality Score improvement, and conversion funnel analysis. PPC performance is bounded by landing page quality — agencies that ignore CRO leave significant performance on the table.
Key criteria to verify before you sign a contract.
PPC (Pay-Per-Click) specifically refers to paid search — you pay only when someone clicks your ad. It is distinguished from CPM-based (cost-per-impression) channels like display and paid social. In practice, most PPC agencies manage both click-based and impression-based paid media, but their expertise centers on search intent channels where purchase intent is highest.
Industry standard is 10–15% of managed ad spend, with minimums ranging from $1,500–$4,000/month depending on account complexity. Some agencies charge flat monthly retainers from $2,000–$10,000 depending on scope. Performance-based models (% of revenue generated) exist but are less common due to attribution complexity.
PPC can generate results immediately — unlike SEO, ads run the moment campaigns launch. However, campaigns require a 4–8 week learning phase to collect enough conversion data for smart bidding algorithms to optimize efficiently. Most well-managed accounts show meaningful CPA improvement in weeks 6–12 as negative keyword lists grow and Quality Scores improve.
If your Google Ads CPCs are above $5, Microsoft Ads typically delivers 20–40% lower CPCs for the same search terms. Microsoft's audience skews older and higher-income — strong for B2B, financial services, healthcare, and home services. Most brands spending $20k+/month on Google should run a parallel Microsoft program to reduce blended CPA.
Compare your CPA and ROAS against Benchmarketing's industry benchmarks for your vertical. If your CPA is 30%+ above the vertical median, your agency should have a clear explanation and action plan. Watch for agencies that optimize for CTR and impression share at the expense of conversion rate — traffic means nothing without conversion.
See how your metrics stack up against industry benchmarks before hiring an agency — know your baseline first.
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