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Performance Marketing Agency Built for CAC, ROAS, and Payback

We connect acquisition spend to measurable outcomes with full-funnel execution across paid, creative, CRO, and lifecycle.

Unlimited ad creative included
No commission on ad spend
Real-time performance dashboard
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What performance marketing means

Performance marketing is marketing that is planned, executed, and measured against specific outcomes such as qualified leads, trials, purchases, revenue, and payback. A performance marketing agency does more than buy ads: it builds a system across channels, creative, and conversion that can be tested and improved weekly. That includes paid search and paid social, retargeting, landing page optimisation, and measurement that survives attribution noise. The goal is predictable growth with clear accountability.

Channel mix built around intent

Capture high intent with search and retargeting, then create demand with paid social and video. Each channel has a defined job by funnel stage, so spend is allocated with clarity.

Creative testing as a system

Run continuous experiments across hooks, angles, proof, and formats. Creative velocity reduces fatigue and finds scalable winners faster than campaign-by-campaign production.

CRO and post-click conversion

Improve landing pages, forms, and checkout flows so traffic converts. Performance depends on message match and friction control, not just bidding and targeting.

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Why performance marketing fails

Performance marketing fails when teams optimise inside one channel while ignoring the bigger levers. Common problems include low creative throughput, weak post-click conversion, and reporting that over-credits retargeting and branded demand. A performance marketing agency should fix the full system: increase test velocity, improve conversion paths, and measure against CAC and payback. That is how you scale without chasing volatility week to week.
  • Lower CAC through better testing
  • Higher conversion from paid traffic
  • More reliable payback reporting

How we run performance marketing

We run performance marketing in weekly growth sprints. First we set the goal and constraints: CAC or CPA targets, payback window, margin, sales capacity, and funnel definitions. Then we build a testing backlog across targeting, creative, offers, and landing pages. Each week we ship experiments, measure outcomes, and roll budget towards what is working. This avoids the common trap of endless optimisation inside one platform while the bigger levers, like creative and conversion, stay untouched.

Experiment backlog and cadence

Maintain a prioritised list of tests across channels and funnel stages. Fast shipping increases learning speed and reduces reliance on one tactic that eventually fatigues.

Budget allocation like a portfolio

Protect proven performers while dedicating controlled budget to exploration. This balances short-term efficiency with long-term growth and prevents overreacting to volatility.

Sales and lifecycle integration

Connect paid acquisition to follow-up and retention. Better lead handling, nurture, and lifecycle messaging improves conversion and raises LTV, making CAC targets easier to hit.

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Measurement you can act on

Performance marketing only works when measurement matches reality. We set up clean conversion tracking, consistent UTMs, and dashboards that show blended performance across channels. We report on the metrics that matter: CAC, payback, LTV, pipeline, and stage conversion rates. When attribution is noisy, we use cohort trends and incrementality thinking to avoid scaling based on platform bias. This creates decision-grade reporting that leadership can trust and teams can use weekly.

Tracking and event quality control

Audit conversions and key events so data is consistent across platforms. Better event hygiene improves bidding performance and removes reporting confusion.

Cohort and payback reporting

Measure customer value over time by cohort, not just day-one returns. This prevents under-investing in channels that create high-LTV customers.

Real-time dashboards for stakeholders

Give leadership a single view across spend, conversion, and revenue outcomes. Real-time visibility speeds decisions and keeps teams aligned on what to test next.

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How Growthcurve delivers

Growthcurve gives you a complete performance marketing function, not a single-channel vendor. You get paid media, creative, CRO, and lifecycle expertise, supported by a proprietary suite of AI marketing tools. We integrate as your internal staff and work month-to-month, so you can scale resources up or down as priorities change. With unlimited ad creative production included and no commission on ad spend, incentives stay aligned to outcomes, not spend.
  • Complete team, one partner
  • Unlimited creative, faster iteration
  • No commission fees on spend

SEO that compounds, not a checklist

Organic growth is a mix of technical hygiene, content that earns clicks, and authority building that is genuinely deserved. We treat SEO as a product, with a backlog and a cadence, rather than a one-off project. Technical work covers crawlability, site architecture, Core Web Vitals, schema markup and index management. On-page work is driven by search intent and the real questions buyers ask at each stage. Off-page focuses on link earning through useful assets, partnerships and digital PR rather than spam. For example, for a B2B brand we might build a set of comparison pages for demand capture, a small research piece to earn links, and a library of problem-led articles that support sales calls. The outcome is more qualified traffic, better brand credibility, and lower dependency on paid media over time.

Who this is for

A performance marketing agency is a fit if you want predictable growth tied to measurable outcomes and are ready to run experiments weekly. It works best for teams who can align on CAC, payback, pipeline, or LTV and act on insights quickly. It is not a fit if you want set-and-forget media buying or only optimisation to one platform metric. Performance marketing requires creative throughput, conversion work, and measurement you can trust across the whole funnel.
  • Best for measurable growth goals
  • Requires weekly iteration cadence
  • Not set-and-forget campaigns
What is the difference between performance and brand marketing?
Performance marketing is designed around measurable outcomes such as leads, trials, purchases, and revenue, with ongoing optimisation to improve efficiency. Brand marketing is often aimed at longer-term awareness and perception, where impact can be harder to attribute directly. In practice, strong performance programmes still invest in upper-funnel creative and reach, but they do it with clear hypotheses and measurement. The goal is growth you can scale and defend with data.
Which channels does a performance marketing agency manage?
Most performance agencies manage paid search and paid social, plus retargeting and video where it fits. Depending on the business, that can include Google Search and Shopping, Meta, LinkedIn, TikTok, YouTube, and sometimes display or affiliates. Channel selection should be driven by your buyer journey and unit economics. We prefer a channel mix where each platform has a defined job by funnel stage and performance can be measured consistently.
How do you choose the right success metric for performance marketing?
We start from the business model. For ecommerce, that might be contribution margin and payback. For B2B, it might be qualified pipeline and CAC payback. For subscriptions, it often includes retention and LTV. We avoid optimising to proxy metrics that can be gamed, such as cheap leads with low conversion. The goal is one primary metric with supporting diagnostics, so optimisation decisions stay aligned to revenue outcomes.
How do you approach creative testing in performance marketing?
We build a creative testing backlog and ship weekly. Each test targets a clear variable: hook, offer, proof, audience framing, or format. Results are tracked at the concept level so we learn what messages work, not just which ad got lucky. Creative is the biggest lever in many accounts, especially on paid social. Consistent creative output prevents fatigue and creates a repeatable path to finding winners you can scale.
Do you also optimise landing pages and conversion rate?
Yes. Paid performance depends heavily on what happens after the click. We look for message match issues, friction, unclear proof, and weak calls to action, then test changes that improve conversion rate. Even small conversion lifts can materially reduce CAC and improve payback. We prioritise fixes based on impact and feasibility, then measure results so improvements become part of your repeatable funnel system.
How do you handle attribution issues and platform bias?
We do not rely on a single dashboard. We use consistent UTMs, clean event tracking, and reporting that looks at blended outcomes and cohort performance over time. This helps avoid over-crediting retargeting or branded demand. Where possible, we validate with incrementality thinking, such as controlled tests or comparing performance shifts against known changes. The aim is decision-grade confidence, not perfect attribution.
What is your typical optimisation cadence and reporting cycle?
We work in weekly sprints: plan tests, ship changes, review results, and decide what to scale or stop. This cadence keeps learning speed high and prevents accounts from stagnating. Reporting focuses on outcomes and decisions, not vanity charts. You should be able to see what changed, why it changed, what it achieved, and what we are doing next week to keep performance improving.
How long does it take to see improvements from performance marketing?
You can often see early improvements by fixing tracking, tightening targeting, and improving creative and landing pages. However, sustainable gains typically come from consistent testing over several weeks. We prioritise quick wins while building a repeatable engine. The goal is not one good week, it is a system that keeps learning and compounding so results do not collapse when conditions change.
Why choose Growthcurve as your performance marketing agency?
Growthcurve gives you a complete growth department in one package, combining paid media, creative, CRO, and lifecycle execution. We include unlimited ad creative production and charge no commission on ad spend, keeping incentives aligned. We work month-to-month, integrate as your internal staff, and use proprietary AI marketing tools plus a real-time dashboard. If you want faster iteration and measurable outcomes, we can start with an audit and sprint plan. Book a call

Lifecycle marketing that increases LTV

If you only optimise acquisition, you end up paying more for the same customers. We build lifecycle systems that raise retention and expansion, using email, SMS where relevant, and CRM workflows that feel personal without being creepy. We set up segmentation based on behaviour and value, then design flows for onboarding, activation, replenishment, win-back and referral. In practice that can include RFM modelling for ecommerce, lead scoring for B2B, or product usage triggers for SaaS. We also help you capture first-party and zero-party data with preference centres and progressive profiling, so targeting stays resilient as privacy changes. When we ran a lifecycle audit for one team, we found revenue sitting in overlooked moments, like post-purchase education and renewal risk signals. The outcome is a healthier blended CAC and a marketing engine that keeps paying you back.

Measurement you can trust and use

Attribution arguments waste time and block good decisions. We set measurement up so it is good enough to guide spend, creative and roadmap choices, and we are honest about what is knowable. Tracking work can include GA4 hygiene, conversion event design, server-side tracking where appropriate, and consistent UTMs. Reporting lives in a real-time dashboard, with views that match how you run the business, such as channel performance, funnel conversion, cohort retention and creative learnings. We also use incrementality thinking where it matters, like geo holdouts or controlled tests for bigger budget shifts. For example, if brand search rises after a video push, we look at the whole picture rather than declaring victory based on last click. The outcome is faster iteration and fewer surprises in board meetings.

Operating rhythm, SLAs and ways of working

Good marketing is mostly good operations. We set a working rhythm that keeps delivery moving and prevents strategy decks from becoming a comfort blanket. You get a named lead, specialist channel owners, and access to top-tier US and UK talent, scaled up or down based on your needs. We agree response times, approval flows and who owns what across creative, landing pages, tracking and budget changes. Campaign planning happens in short cycles, with clear priorities and a shared backlog, so work does not disappear into a black box. We also help your internal stakeholders, like product, sales and finance, stay aligned with what marketing is doing and why. The outcome is a calm, consistent cadence, less context switching, and a team that behaves like your internal staff while staying on a monthly rolling basis.

Why Growthcurve

Growthcurve is built for teams who want senior thinking and fast delivery without the overhead of building it all in-house. Our marketers have scaled startups to nine-figure valuations, and our clients have raised over $700M in funding, so we understand what investors and boards look for. You get a complete marketing department in one package, with specialists who integrate as your internal staff and can scale up or down as priorities change. We are an official Meta, Google, TikTok and Snap agency partner, and we have a deep creative engine, including unlimited ad creative production, because most growth ceilings are creative ceilings. You also get a proprietary suite of AI marketing tools and a real-time performance dashboard to keep decisions grounded. No long-term contracts, no commission fees on ad spend, just accountable work on a monthly rolling basis.

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