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Growth agency for startups that builds repeatable traction

Full-funnel growth sprints across acquisition, activation and retention, tied to CAC payback and sustainable unit economics.

Complete growth team included
Unlimited creative production included
Real-time performance dashboard
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Designed for startup constraints

Startups have limited time, lean teams and pressure to show traction. Spreading effort across too many channels or hiring slowly can stall momentum and create noisy results that are hard to explain to investors. We focus on the highest leverage work: a clear positioning and offer, a small set of channel tests, and fast iteration on conversion and activation. With weekly sprints and tight measurement, you get learning and progress that leadership can act on.
  • Fast traction, not busywork
  • Focused tests across channels
  • Clear progress for fundraising

How startup growth really works

A growth agency for startups should help you find repeatable traction before you scale spend. That means auditing your product, positioning, funnel and tracking, then testing the highest-potential channels in short sprints. We use a channel discovery approach similar to the Bullseye Framework: explore multiple traction channels, pick a focused set to test, and double down on what proves efficient. The goal is to improve activation, CAC payback and retention, so growth is fundable and sustainable.

Channel discovery and focus

Test a short list of channels quickly, then commit budget and resources only when CAC and conversion are proven in real conditions.

Full-funnel optimisation

Improve the path from first click to activation, purchase or pipeline, so acquisition does not outpace onboarding and retention.

Measurement and learning cadence

Set clear events and dashboards, then run weekly sprints so experiments generate learning and compounding improvements.

Get a roadmap

Acquire users with controlled spend

Startups often scale acquisition before conversion and retention are ready, which inflates CAC and creates volatile performance. We build an acquisition mix that fits your stage: paid social and short-form creative for fast message testing, paid search for intent capture, and SEO for compounding demand. We keep spend disciplined by defining the right conversion events, testing in small increments, and scaling only when payback and cohort quality hold. Unlimited ad creative production helps you keep testing velocity high without burning the team out.

Paid social creative testing

Test hooks, angles and formats across Meta, TikTok and LinkedIn, scaling only the creatives that improve qualified sign-ups, demos or purchases.

Paid search and intent capture

Capture high-intent demand with tight keyword and landing page alignment, reducing waste from broad traffic that cannot convert.

SEO foundations for compounding

Build technical SEO and content clusters around buyer intent, so demand grows over time and acquisition is less dependent on paid budgets.

Scale acquisition

Improve activation, retention and LTV

For startups, the fastest way to unlock scale is often improving activation and retention. If new users do not hit the product's value moment quickly, acquisition gets expensive and churn hides the real problem. We use funnel analysis and session data to identify where users drop off, then run CRO and onboarding experiments. We also build lifecycle messaging and retention journeys so cohorts improve over time. This strengthens LTV, shortens payback, and makes growth more attractive to investors and future hiring plans.

Activation and onboarding fixes

Identify the 'magic moment' and remove friction with onboarding and funnel experiments, so more new users reach value quickly.

CRO for key conversion steps

Test landing pages, pricing pages and signup flows using clear hypotheses, improving conversion without simply increasing spend.

Lifecycle and retention programmes

Build behaviour-based nurture, education and win-back journeys, improving cohort retention and expanding revenue over time.

Improve retention

Replace freelancers with one team

Early-stage teams often rely on a mix of freelancers for ads, design, analytics and email. Delivery becomes inconsistent, context gets lost, and experiments take too long to ship. We provide a complete marketing department in one package and integrate like internal staff. You get specialists across paid, creative, CRO, lifecycle and analytics, coordinated in one sprint cycle. That reduces handoffs and increases the speed of learning, which is the real advantage in startup growth.
  • Avoid unreliable fractional teams
  • One sprint cadence, faster delivery
  • Scale specialists up or down

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Why Growthcurve

Growthcurve is a growth agency for startups built for speed and execution depth. We provide a complete marketing department in one package, integrating like internal staff and running weekly sprints. Unlimited ad creative production is included and we charge no commission on ad spend. You also get proprietary AI marketing tools and a real-time performance dashboard, with monthly rolling terms. We are official Meta, Google, TikTok and Snap agency partners.
  • Unlimited creative production included
  • No commission on ad spend
  • Monthly rolling engagement
When should a startup hire a growth agency?
Hire a growth agency when you have early traction and need a repeatable way to acquire and retain customers. If you are still changing the product weekly with no clear ICP, you may get better returns from customer discovery first. A good time is when you have a defined offer, a baseline funnel, and enough volume to learn from experiments. The goal is to prove scalable channels and improve unit economics before you scale headcount.
What should a growth agency for startups deliver in 30 days?
In the first month you should expect clarity and momentum. That includes a funnel and tracking audit, a prioritised growth roadmap, and the first set of experiments shipped. Common early wins are fixing conversion event tracking, tightening positioning and offers, refreshing creative, and improving landing page message match. The output should be a clear view of what is working, what is not, and what will be tested next, not a generic report.
How do you choose which channels to test first?
We start from your buyer and your sales cycle, then shortlist channels that fit your constraints. A Bullseye-style approach works well: explore many options quickly, then focus on a small set that has the best signal. We validate with small-budget tests and clear success metrics. If a channel cannot show promising CAC and conversion in controlled tests, we move on. This avoids spreading a startup thin across too many channels.
Do you help pre-PMF startups or only post-PMF?
We can support both, but the approach changes. Pre-PMF work should prioritise learning: messaging tests, landing page MVPs, and channel experiments to find demand and validate an offer. Post-PMF work shifts to scaling: improving CAC payback, raising conversion and activation, and building retention systems so cohorts improve. We will be direct if your bottleneck looks like product and positioning rather than marketing execution, so you do not waste budget.
How do you measure startup growth without vanity metrics?
We track metrics that connect to revenue and retention. Depending on your model, that might include qualified pipeline, trials, purchases, activation rate, retention by cohort, CAC and payback period, and LTV. Clicks and impressions can help diagnose performance, but they are not the goal. We set clear conversion events and review weekly impact so you can tell whether experiments are improving unit economics and bringing you closer to scalable growth.
What does conversion rate optimisation look like for startups?
CRO for startups is usually about clarity and friction removal. We analyse drop-offs in key steps like signup, pricing, demo booking, and onboarding, then test improvements with clear hypotheses. This can include message match between ads and landing pages, proof placement, simplified forms, pricing page structure, and onboarding prompts. Improving conversion makes every channel more efficient, which is especially important when budgets are tight and learning needs to be fast.
Can you improve retention and expansion for SaaS startups?
Yes. Retention is where sustainable growth is built. We identify the behaviours that predict long-term usage, then design onboarding and lifecycle journeys that drive users to those moments faster. We also build segmentation for education, reactivation and expansion plays, using behaviour triggers rather than generic newsletters. Cohort reporting shows whether retention is improving over time, and better retention typically improves payback, giving you room to scale acquisition confidently.
How do you integrate with our founders and small team?
We integrate like internal staff with clear owners and a weekly sprint cadence. That includes a shared backlog, short planning sessions, and regular reporting tied to agreed KPIs. Founders stay close to strategy and key messaging decisions, while we handle execution across paid, creative, CRO, lifecycle and analytics. The aim is to reduce management overhead, avoid fragmented freelancers, and keep learning velocity high without pulling the team into constant meetings.
Why choose Growthcurve as a growth agency for startups?
Growthcurve provides a complete marketing department in one package, built to integrate like internal staff and move fast. We run weekly sprints across acquisition, creative, CRO, lifecycle and analytics, supported by a real-time performance dashboard. Unlimited ad creative production is included and we charge no commission on ad spend. Engagements are monthly rolling, and we are official Meta, Google, TikTok and Snap agency partners. 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