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Clients average a 200% lift in organic traffic, with some accounts closer to 350%.
We target the commercial keywords that put your business on page one of Google.
Half a decade of South African search campaigns behind every strategy we build.
Google Premier Partner status, verified and maintained since 2022.
Here's what sets us apart from the competition
Find answers to common questions
Key technical work includes improving site speed and render performance, implementing structured data and canonicalization, fixing crawl and index issues, and deploying server-side tracking and clean sitemaps tailored to Shopify or WooCommerce setups.
Accurate measurement uses GA4, Google Tag Manager, server-side tracking, and cohort or MER analyses to link organic sessions to revenue while accounting for assisted conversions and cross-channel attribution.
Timeline varies with competition and technical debt but measurable improvements are commonly seen in 3-12 months; early technical fixes and targeting low-competition, high-intent pages can yield faster, incremental wins while longer-term content and authority work compounds over time.
SEO should feed keyword intent and high-converting landing pages into paid campaigns while CRO testing optimizes those pages for higher conversion rates, creating a system where attribution and data flow inform budget and creative decisions for profit-focused growth.
SEO drives revenue by targeting high-intent queries, improving landing-page conversion rates, and reducing acquisition cost over time; technical and content work increases qualified organic traffic that converts into repeat customers and predictable revenue streams.
In This Article
Evaluation Framework
Measurement Matters
RFP Checklist
Searching for a comparison of SEO agencies in United States is often the first step for founders, marketing directors, and growth teams who need a structured way to choose a partner built for outcomes, not vanity metrics. This guide breaks down the practical criteria you should use to compare agencies, how to validate their technical chops (GA4, server-side tracking), and what revenue-focused results to expect in US eCommerce and B2B contexts.
Use a simple scorecard when you review proposals: list each agency down the rows and score them on technical audits, strategy depth, channel experience (Google Ads, organic), data engineering, and reporting clarity. Prioritise agencies that frame work as Strategy → Build → Test → Scale → Report. For reference on services and capabilities, review our agency service catalogue: Prebo Digital services.
| Layer | Client-side | Server-side |
|---|---|---|
| Data collection | Browser pixel (may be blocked) | Server receives events (more resilient) |
| Attribution | Platform-reported conversions | Unified server-side attribution (cleaner MER) |
An agency that can describe and implement server-side tracking with GA4 and GTM reduces attribution leakage common in US ad ecosystems. For a tech-forward perspective on an agency partner, see our team and approach: About Prebo Digital.
Practical tip: ask for sample dashboards and a recent anonymized report that maps SEO activity to revenue. This separates detail-oriented operators from agencies that only report organic sessions.
Costs for SEO retainers in the United States vary widely. For US-based mid-market ecommerce and B2B clients, expect monthly retainers roughly in these ranges (estimates):
| Tier | Monthly retainer (USD) | Typical focus |
|---|---|---|
| Small / Specialist | $2,000-$5,000 | Tactical on-page and content |
| Growth | $5,000-$15,000 | Technical audits, CRO, content strategy |
| Enterprise | $15,000+ | Engineering, data pipelines, full-funnel optimisation |
These are broad ranges and will depend on scope, historical traffic, ecommerce platform complexity (Shopify vs WooCommerce), and tracking needs. When comparing agencies, request an estimated timeline to measurable revenue impact and sample work aligned to your platform stack. To learn how agency services translate to growth systems, review relevant offerings on our services page.
A high-performing SEO agency will map work across the funnel and tie tests to revenue impact (for example: a $5,000 test that increases checkout conversion by 0.5% on $200k monthly revenue yields meaningful incremental profit after CAC adjustments). Agencies should demonstrate how SEO initiatives tie into paid media and CRO efforts rather than existing in a silo. For a view of how we align SEO with paid channels and tracking, visit our homepage: Prebo Digital.
Remember: pick a partner that balances strategy and technical delivery. If you need a conversation about scope or a comparative audit, use an agency contact path that outlines technical and commercial expectations. Our team documents practical implementation and handoffs for growth teams; learn more on our contact page: Get in touch.
When you request a comparison of SEO agencies in United States, prioritise measurable reporting, technical measurement (GA4, server-side), and a clear CRO/test roadmap tied to revenue. Use the scorecard approach, validate sample work, and confirm how an agency will integrate with your paid channels and data stack.
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