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Discover how a combined PPC and CRO agency reduces CAC, improves attribution, and accelerates profitable revenue for Shopify, WooCommerce and B2B teams.
PPC and CRO work together to prioritise profitable growth over traffic alone.
Shared hypotheses and measurement reduce wasted ad spend and slow test cycles.
Server-side tracking and clean pipelines improve CAC and LTV accuracy.
Hiring a focused PPC and CRO agency unlocks more than better ad performance - it aligns acquisition spend with conversion engineering so every dollar is measured against revenue, not just clicks. A combined approach closes the loop between ad creative, bid strategy, landing experience and attribution accuracy. For US founders and growth teams, that means clearer Customer Acquisition Cost (CAC), improved Lifetime Value (LTV) projections, and more predictable margins.
A combined vendor removes the handoff gaps that inflate test times. Instead of separate briefs and slow back-and-forth, your team gets a structured framework - Strategy → Build → Test → Scale → Report - where paid media and CRO share hypotheses, audiences and success metrics.
Typical phases in a PPC + CRO retainer include discovery (funnel audit and measurement review), priority tests on high-traffic landing pages, bid and creative experiments, and scaled rollouts for winning variants. For an overview of complementary services and technical setup we recommend reviewing Prebo Digital’s services overview and how we structure retainers on the Prebo Digital homepage.
Quick note: attribution improvements (like server-side tracking) often reveal previously under-reported conversions and adjust effective CAC; results are specific to your stack and are shown here as operational benefit rather than guaranteed outcomes.
Example: a mid-market Shopify store with $50 average order value and 1.2% conversion rate improves CRO to 1.8% while holding ad spend stable. That 50% conversion lift can reduce effective CAC by roughly 33% (simple illustrative math), changing whether a $60 CAC is sustainable against LTV. Figures are estimates and will vary by vertical, average order value and ad channel.
A combined PPC and CRO agency integrates tests across those stages - for example, using winning TOF creative variants to inform MOF retargeting sequences or running BOF checkout experiments that immediately improve paid conversion rates.
Monthly retainers for integrated PPC + CRO work often range from $3,000-$15,000+ depending on scope, ad spend, and technical complexity. Contracts are usually ongoing month-to-month with a recommended minimum of 3-6 months to allow for testing cycles and measurement stabilization. Prebo Digital structures engagements around measurable KPIs and a regular reporting cadence so performance is transparent and tied to profitability.
To realise the benefits of using a PPC and CRO agency you need clean data: GA4 or equivalent analytics, server-side event collection, and consistent UTM usage across campaigns. If you want a deeper view into how we combine analytics with optimisation, learn more on our about page. When you’re ready to discuss specifics, you can request a growth audit or book a free strategy call.
| Phase | Typical Deliverables | Timeframe |
|---|---|---|
| Discovery | Funnel audit, measurement plan, quick wins list | 2-4 weeks |
| Build & Test | Landing builds, A/B tests, ad experiments | Ongoing (monthly) |
| Scale & Report | Rollout winners, budget reallocation, ROI reporting | Monthly |
If your priority is profitable, measurable growth, a combined PPC and CRO partner is designed to reduce friction between acquisition and conversion teams. Start with an audit to confirm measurement health and a prioritized test roadmap - that roadmap often surfaces low-cost wins in the first 30-60 days and more structural lifts after three months.
Book a Free Strategy Call to review your funnel, or Request a Growth Audit to get a tailored plan and estimated impact for your business.
Marion is an award-winning content creator with over a decade of experience crafting high-impact B2B and B2C content strategies. Her content journey began in the mid-00s as a journalist and copywriter, focusing on pop culture, fashion, and business for various online and print publications. As the Content Lead at Prebo Digital, Marion has driven significant increases in engagement, page views, and conversions by employing a creative approach that spans ideation, strategy and execution in organic and paid content.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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