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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.
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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
Pricing Models
Measure Impact
Selection Checklist
Choosing the right long-term SEO growth partner means aligning budget with measurable business outcomes: reduced CAC, improved LTV, and predictable revenue lift. This guide breaks down common pricing models, what each includes, and how to read proposals so you can compare offers from agencies and retainers on an apples-to-apples basis.
Note: For US-based eCommerce and B2B businesses, focus on monthly retainers built around a structured framework: strategy → build → test → scale → report. That gives predictable capacity for content, technical fixes, and experimentation.
When you review proposals, compare scope, velocity, and deliverables, not just price. Request a line-item breakdown and map each item to an expected outcome (traffic quality, conversions, revenue). Consider asking vendors for a sample 90-day plan tied to KPIs and measurement approaches such as GA4 and server-side tracking.
| Model | Typical US range | When it fits |
|---|---|---|
| Monthly retainer | $3,000 - $15,000+/mo | Scaling brands needing continuous growth and testing |
| Project-based | $5,000 - $50,000 | Single migrations, audits, or technical overhauls |
| Performance-linked | Varies (bonus % of revenue) | Established sites with stable attribution and clear revenue signals |
These ranges are examples for US companies and will vary by agency experience, scope, and deliverables. For more on the types of services typically included with retainers, review our Services overview and how teams are structured.
Understanding how an agency measures impact is critical. Ask whether proposals include clean attribution (GA4, server-side tracking) and how they account for assisted conversions across channels. You can learn about Prebo Digital’s technical-first approach on our About page.
Evaluate proposals against four criteria: measurable revenue impact, attribution clarity, experimentation cadence, and technical ownership. A $7,500/mo retainer that includes a data engineer and CRO tests may outperform a $3,000/mo retainer focused only on content. Model expected payback using conservative lift assumptions (for example, a 5-10% organic revenue lift over 12 months) and estimate CAC delta in $ for your US business.
Assume a Shopify store with $50,000/mo revenue and a $7,500 monthly SEO retainer. If structured work and tracking deliver a 10% organic revenue lift over 12 months, incremental monthly revenue could be roughly $5,000. That narrows payback over time when combined with LTV improvements from better retention. These figures are illustrative estimates; run your own sensitivity analysis or ask agencies for a modeled projection.
Ask vendors how they integrate analytics and server-side tracking into proposals. Clean data pipelines and attribution clarity are often the difference between perceived and real ROI. If you want to review partner case studies and the agency’s approach to tracking, see the Prebo Digital homepage and our technical services list on the Services overview.
If you’re comparing proposals, request a written 90-day plan and a sample report structure. For logistical next steps, many founders invite shortlisted partners to present a prioritised 90-day roadmap and a 12-month growth framework - this reveals capacity, technical depth, and focus on profitability.
Monthly retainers generally fit brands seeking continuous growth and systems-level work; project pricing suits one-off technical fixes; performance-linked arrangements can work when attribution is reliable. Match the model to your maturity: earlier-stage stores may prefer project or hybrid models, while scaling brands benefit from retainers that include analytics and CRO resources.
To discuss proposal assessment workflows or how to structure a scalable SEO retainer, review our contact options if you need a guided evaluation: Contact Prebo Digital.
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