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Agence marketing USA for full-funnel growth and payback

We scale US acquisition with creative testing, CRO, and privacy-safe tracking, optimising toward revenue, not clicks.

No commission on spend
Unlimited creative production
Real-time performance dashboard
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Reviewed on
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5 Star Agency

How delivery works

You get an embedded growth pod that runs weekly sprints. We start with a focused audit, then build a single prioritised backlog across paid, creative, CRO, and lifecycle. Each week we ship changes, review results, and decide what to scale or stop. This keeps momentum high and avoids the slow cycles common in traditional agency setups. You always know what is being built and how it ties to outcomes.
  • Weekly sprint execution cadence
  • Single backlog, clear owners
  • Decisions based on evidence

US growth strategy

The US market rewards speed, creative volume, and measurement discipline. We start by mapping your funnel and unit economics: acquisition costs, conversion rates, and retention cohorts. Then we identify the primary constraint and build a prioritised experiment backlog. Strategy covers channel mix, offer and messaging, and a measurement plan that can withstand signal loss. You get a clear weekly cadence, so decisions are made from evidence and learnings compound over time.

Funnel and unit economics audit

Review CAC, payback, conversion, and retention cohorts to find the bottleneck limiting growth and set guardrails for profitable scaling.

Experiment backlog and scoring

Prioritise tests using impact and effort so the team ships high-leverage work first and avoids months of low-value channel tinkering.

Full-funnel measurement design

Align events and reporting to revenue outcomes so optimisation is grounded, even when attribution is imperfect across devices and platforms.

Build the plan

Paid and creative

For an agence marketing USA engagement, paid media performance depends on creative throughput and clean testing. We run structured programmes across Meta, TikTok, Google, and LinkedIn, building account structure that supports learning and scaling. Creative is produced and iterated weekly to reduce fatigue, with variations across hooks, proof, and offers. Scaling decisions are based on conversion quality and payback, not just platform CPA, so growth stays sustainable as spend increases.

Meta and TikTok performance

Test audiences and creatives systematically, keeping learning clean so you can scale budgets without losing performance when platforms re-optimise.

Google search and Performance Max

Capture high-intent demand with strong query control and landing page match, improving conversion quality rather than only driving cheap traffic.

Creative production and iteration

Ship frequent creative variants across formats and placements, reducing fatigue and improving message match from first impression to conversion.

Scale paid media

CRO and lifecycle

Paid spend only works when the site and lifecycle convert efficiently. We improve conversion with CRO on key landing pages and flows, focusing on message match, proof, and friction removal. We then build lifecycle journeys that lift activation, retention, and repeat revenue using behavioural segmentation rather than generic blasts. This increases LTV and improves payback, giving you more room to scale acquisition in a competitive US environment.

Landing page conversion upgrades

Test offers, proof, and UX so more visitors take the next step, increasing revenue from the same traffic and media spend.

Behaviour-led onboarding and nurture

Trigger journeys from user actions so emails and in-app prompts feel relevant, improving activation and reducing early-stage drop-off.

Retention and expansion playbooks

Use cohorts to find churn drivers, then deploy win-back and upgrade paths that increase repeat revenue without relying on constant acquisition.

Improve conversion

Measurement you trust

US performance marketing is noisy, especially post iOS changes and ongoing signal loss. We focus on decision-grade measurement: clean conversion definitions, strong first-party data capture, and reporting that connects marketing activity to revenue outcomes. Where attribution is uncertain, we validate through cohort trends and structured tests. You get a real-time dashboard plus a weekly narrative so stakeholders can act quickly and confidently.
  • Real-time reporting dashboard
  • First-party data focus
  • Incrementality-minded decisions

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  2. 2 YOUR NEEDS
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USA
+1 (347) 657 3386
UK
+44 203 870 3186

Why Growthcurve

Growthcurve gives you a complete marketing department in one package, without the hiring overhead. We integrate like internal staff, move fast with weekly sprints, and stay flexible with monthly rolling engagements. Unlimited ad creative production is included and we charge no commission on ad spend. We have produced ads for Coinbase globally and our clients have raised over $700M in funding.
  • Complete team in one
  • Unlimited creative included
  • No commission on spend
What does an agence marketing USA typically deliver?
A US marketing agency should cover more than running ads. In practice, it should connect strategy, creative, media buying, conversion, and lifecycle into one system. That includes channel selection, offer and messaging, creative production, landing page optimisation, and reporting. We focus on full-funnel outcomes: acquisition efficiency, conversion rate, retention cohorts, and payback. The goal is a programme you can scale, not a set of disconnected tactics.
Which channels work best for acquiring customers in the US?
It depends on your audience and economics, but common mixes include Meta and TikTok for scale, Google Search and Performance Max for intent capture, and LinkedIn for targeted B2B reach. Programmatic and CTV can work when you have strong creative and a clear measurement plan. We start with channels that can be measured against payback, then expand once conversion quality is stable and creative testing is consistent.
How do you avoid scaling spend that does not convert?
We protect performance by tying optimisation to conversion quality and downstream outcomes, not just top-of-funnel cost metrics. That means clear event definitions, clean account structure, and frequent creative testing to prevent fatigue. We also use CRO to improve landing pages and journeys, so paid traffic converts efficiently. Scaling is a deliberate process: increase budget when results are stable, and keep a backlog of new tests to sustain performance.
How do you measure performance with signal loss and privacy changes?
We aim for decision-grade measurement. That includes clean conversion events, first-party data capture, and reporting that connects marketing activity to revenue outcomes. Attribution will never be perfect, so we do not rely on a single view. Where needed, we validate through cohort trends and structured tests, such as controlled budget changes. The objective is confidence about what is driving growth and what is noise.
Do you support Shopify, Klaviyo, HubSpot, or Salesforce stacks?
Yes. We work across common US e-commerce and B2B stacks and focus on making data usable for decisions. That includes aligning lifecycle stages, conversion events, and reporting so marketing performance connects to revenue and retention. We keep changes practical and prioritised. The goal is not a complicated stack, but one that improves measurement and automation without creating fragile processes that break when teams change.
What does the first month look like with Growthcurve?
In the first month we onboard, audit, and start shipping. We review funnel performance, tracking, creative, and channel structure, then agree the constraint and the metrics that matter. Next we build a prioritised backlog and run the first weekly sprints. You should see early execution quickly, such as creative iterations, campaign adjustments, landing page improvements, and clearer reporting that makes decision-making easier.
How do you handle creative volume and ad fatigue in the US?
We treat creative as a testing pipeline, not a one-off deliverable. That means producing consistent iterations and isolating variables like hook, offer, proof, and format. We refresh winners and retire fatigue quickly. This is essential in the US market where audiences saturate fast. Creative testing is paired with performance analysis, so we know why a concept works and can scale it across placements and platforms.
How do you work with internal teams and stakeholders?
We integrate like internal staff, with clear owners, a shared backlog, and weekly review meetings. We align marketing, creative, and operations around the same outcomes so work does not stall in handoffs. Stakeholders get a clear weekly narrative: what shipped, what changed, what we learned, and what is next. This keeps decision cycles short and prevents growth work becoming a series of disconnected requests.
Why choose Growthcurve as your agence marketing USA partner?
Growthcurve combines strategy and execution with a weekly sprint cadence, so you move faster than hiring or coordinating multiple suppliers. Unlimited ad creative production is included and we do not charge commission on ad spend. You get a real-time dashboard, access to top US and UK talent, and a monthly rolling engagement for flexibility. If you want measurable growth with clear accountability, we are a strong fit. Book a call

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  1. 1 ABOUT YOU
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  3. 3 BOOKING
I agree to the Privacy Policy

Which of our services do you need?

Type

Size

Funding

We'll email you shortly
Prefer to call now?
USA
+1 (347) 657 3386
UK
+44 203 870 3186