Conversion copywriting that’s tested, not opinion-led

Conversion copywriting is copy engineered to move a specific metric — not copy that “sounds good”. GoGoChimp’s copywriting service combines 13 years of CRO operator experience with AI-accelerated drafting to ship landing-page, product-page, email-sequence, and ad copy that’s been tested at 99% statistical significance before it’s declared a winner. Every word change is hypothesis-led, A/B-tested where traffic supports it, and tied to revenue per visitor. Built on the OperatorAI methodology and Build Grow Scale’s 2025 research across 347 e-commerce stores.

What conversion copywriting actually changes

A great headline can lift conversion rate by 25-40% on its own. A bad CTA can sabotage a 30-test optimisation programme. The variables that matter: headline (the single biggest leverage point on most landing pages), subhead and answer capsule (sets trust frame in the first 3 seconds), above-the-fold proof (named clients, named numbers, no logos without context), CTA copy (clarity over cleverness), bullet hierarchy (benefit-first, statement-of-fact phrasing), objection-handling copy (drawn from real customer interview transcripts), email subject lines and preview text (highest-elasticity surface in any sequence). Every one of these is a testable hypothesis.

Operator-led + AI-accelerated

Most AI copywriting tools (Jasper, Copy.ai, ChatGPT direct) generate variants 5x faster than a human, but the variants are often template-fitting rather than category-specific. The OperatorAI approach: AI generates 20-50 variants, an operator with 13 years of CRO experience prunes to the 3-5 worth testing, then we ship and measure. Build Grow Scale’s 2025 research across 347 e-commerce stores measured the gap: self-serve AI copy delivered 4-7% conversion lifts; operator-pruned AI copy delivered 28-34%. Same software. Different judgement.

What we ship in a copywriting engagement

Landing-page rewrites (hero, hero-proof, features, FAQ, CTA — full above-fold + below-fold rebuild). Product detail page copy (Shopify and Webflow specifically). Email sequence copy (welcome, abandoned cart, post-purchase, re-engagement, lifecycle). Ad copy (headlines, primary text, descriptions for Meta and Google). Sales letter copy (long-form for high-AOV services and digital products). Email subject-line A/B testing (highest-leverage low-cost surface). Every piece comes with a hypothesis statement, an A/B test plan (where traffic supports it), and a measurement framework so we can tell whether the copy moved the metric.

Pricing

Sprint: £2,500 one-off, 2 weeks, single landing page or email sequence rewrite. Growth: £4,500/month, 3 months minimum, ongoing copy engineering across funnel + monthly tests. Scale: £8,500/month, 6 months, full-funnel programme + ad copy + email automation.

Conversion copywriting FAQ

What’s the difference between conversion copywriting and regular copywriting?

Regular copywriting prioritises voice, tone, and brand. Conversion copywriting prioritises moving a specific metric (conversion rate, revenue per visitor, click-through rate). Both can coexist, but the test for conversion copywriting is whether the metric moved — not whether the copy sounded good.

Do you use AI to write copy?

Yes, AI generates initial variant pools (20-50 variants per element). An experienced operator prunes to 3-5 worth testing. AI handles speed; the operator handles judgement on what’s worth testing.

How do you measure if copy is working?

Every change has a hypothesis statement and an A/B test where traffic supports it. We measure conversion rate, revenue per visitor, and click-through rate — not bounce rate or time-on-page (vanity metrics).

What’s the minimum site traffic for copywriting work?

Below 500 transactions per month, classic copywriting (no A/B testing) is more cost-effective. Above 500/month, A/B testing variants becomes statistically reliable.

Can you handle email copywriting?

Yes. Email sequence copy is one of our most common engagements — welcome, abandoned cart, post-purchase, re-engagement. Subject-line A/B testing has the highest elasticity of any copy surface.