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GrowthForge

Performance marketing agency

Growth you can actually measure.

GrowthForge is a performance marketing agency that builds measurable growth engines — paid media, SEO, conversion optimisation and analytics that prove what actually works.

Book a growth auditSee our work

Trusted by growth teams in SaaS, e-commerce and B2B services

SaaSE-commerceB2B servicesMarketplacesFintech

Twelve months of client outcomes

Average return on ad spend
3.1x
Measured incrementally through holdout tests, not platform-reported.
Lower cost per qualified lead
34%
Median reduction across accounts in the first two quarters.
Client retention past year one
92%
Retainers are month to month. People stay because the numbers hold.
Ad spend under management
$48M
Across SaaS, e-commerce and B2B services accounts.

What we do

Five disciplines, one growth engine

Most agencies sell one channel. We connect acquisition, conversion and measurement so improvements compound instead of cancelling out.

  • Paid media

    Spend that compounds instead of leaking.

    Google, Meta and LinkedIn campaigns built around incremental profit rather than platform-reported vanity metrics.

    Explore paid media

  • SEO & content

    Demand you do not have to rent.

    Technical foundations, topical authority and content that maps to how buyers actually search.

    Explore seo & content

  • Conversion optimisation

    More revenue from the traffic you already pay for.

    Research-led experimentation on landing pages, forms and checkout so the same spend converts harder.

    Explore conversion optimisation

  • Analytics engineering

    Numbers you would defend in a board meeting.

    GA4, Google Tag Manager, server-side tagging and consent handling implemented properly, then documented.

    Explore analytics engineering

  • Marketing automation

    Follow-up that runs without a human remembering.

    Lifecycle email, lead routing and CRM plumbing so no qualified lead goes cold in an inbox.

    Explore marketing automation

How we work

Fix the measurement, then spend the money

Most engagements go wrong in the first month, when a new agency starts optimising against numbers nobody checked. We do that part first.

  1. Step 1

    Audit

    Two weeks looking at what you already run, what it costs and what it actually returns — before anyone proposes a budget.

    • Account and funnel teardown
    • Tracking gap analysis
    • Prioritised opportunity list
  2. Step 2

    Measurement build

    Fix the numbers first. Optimising against a broken conversion feed is how agencies report growth that finance cannot find.

    • Event taxonomy and measurement plan
    • GA4 and GTM implementation
    • Consent Mode and server-side tagging
  3. Step 3

    Test and learn

    Structured experiments on offers, creative and landing pages, with a decision rule agreed before the test runs.

    • Experiment roadmap
    • Creative and offer testing
    • Fortnightly readouts with a call to make
  4. Step 4

    Scale

    Push budget into what survived testing, and keep a fixed share on the next set of bets so the account never stops learning.

    • Budget reallocation model
    • Channel expansion plan
    • Incrementality holdouts

Selected work

What it looks like when the numbers are right

Three engagements where the first win was not more spend — it was finding out what the existing spend actually did.

See all case studies
  • B2B SaaSNorthwind Analytics

    Cutting paid spend 40% without losing a single demo

    Their Google Ads account optimised toward form fills, and roughly half of those never reached sales. We rebuilt the conversion feed around qualified opportunities, then let the bidding algorithm find the buyers instead of the browsers.

    Paid spend
    −40%
    Pipeline per ad dollar
    2.4x
    To payback
    11 wks
  • E-commerceHarbour & Co

    Finding the 18% of revenue their reports were double-counting

    Meta and Google both claimed the same purchases, so every channel looked profitable and the blended number did not add up. Server-side tagging and a geo holdout showed where the growth actually came from — and which campaign was buying customers who would have arrived anyway.

    Verified ROAS
    3.6x
    Reporting overlap removed
    18%
    Contribution margin
    +27%
  • B2B servicesMeridian Legal

    Turning an unmeasured phone funnel into a tracked pipeline

    Most enquiries arrived by phone and none of them reached the ad platforms, so six figures of annual spend was optimising against contact-page views. Call tracking plus offline conversion import gave the accounts real outcomes to learn from.

    Cost per retained client
    −31%
    Tracked enquiry volume
    4.2x
    Of calls attributed
    100%

In their words

The part clients bring up first

Usually some version of: the reporting we had was wrong, and finding that out was uncomfortable and worth it.

  • “They spent the first month telling us our lead numbers were wrong, which is not what you want to hear from an agency you just hired. They were right. The second month is when the pipeline started moving.”
    Priya RamanVP Marketing, Northwind Analytics
  • “Our old agency reported a 6x return. GrowthForge ran a holdout and showed us the real figure was closer to 3.6x. Painful slide, but we finally had a number our CFO would sign off on.”
    Daniel OseiHead of Growth, Harbour & Co
  • “We are a law firm, not a tech company, and I expected to be handed a dashboard nobody could read. Instead they wrote down what every number meant and walked our partners through it twice.”
    Sarah WhitfieldManaging Partner, Meridian Legal

Next step

Ready to see where your growth is leaking?

A 30-minute audit covering your paid media, funnel and measurement setup. You leave with the findings whether or not we work together.

Book a growth auditSee our work