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Google Ads ecommerce dashboard showing Shopping and Performance Max performance

Your Shopping ROAS Looks Fine. So Why Isn't Revenue Growing?

Performance Max is spending. Shopping is running. The dashboard says 4x ROAS. But revenue is flat, margins are squeezed, and you can't tell what's actually working. We find what the dashboard is hiding — and fix it.

Book a Free Ecommerce Ads Audit

Your Google Ads dashboard is reporting ROAS. Your P&L disagrees.

Performance Max is spending. Shopping is running. The dashboard says 4x ROAS. But incremental revenue isn't growing, margins are under pressure, and you can't tell which campaigns are actually driving new customers versus just claiming credit for purchases that would have happened anyway.

Two silent problems affect almost every ecommerce account. First: tracking gaps. iOS 14 privacy changes, GA4 migration issues, and ad blockers mean 15–30% of actual purchases are invisible to Google Ads. Smart Bidding is making decisions with incomplete data, which means it's optimising for a fraction of your real sales. Second: feed quality. Your Shopping visibility is determined by your Merchant Centre product feed, not your bids. Poor titles, missing GTINs, and untreated disapprovals suppress your best products before a single auction.

Ambire fixes both foundations before touching campaigns. Server-side conversion tracking recovers lost purchase signals and feeds accurate revenue data back to Smart Bidding. Feed optimisation restructures product titles and attributes so your products match the right searches. Then — and only then — we build the campaign architecture on top of data that actually tells the truth. This is part of our broader Google Ads agency service applied specifically to ecommerce. For pure feed and Shopping management, see our Google Shopping management service.

Before we touch your campaigns

Every Ambire ecommerce engagement starts here. Not with bidding — with foundations.

Tracking Audit

We verify your purchase conversion data is accurate before optimising anything. Broken tracking means Smart Bidding is working with a fraction of your real sales signal.

Data Foundation

Server-side GTM setup, GA4 enhanced ecommerce events, and Merchant Centre feed audit. The data layer that makes every campaign decision reliable.

Account Structure

We review or rebuild campaign architecture so budget flows to the products and segments that drive profitable growth — not inflated ROAS on low-margin lines.

Our ecommerce Google Ads services

From feed foundations to full-funnel campaign management. Every service built on accurate purchase data and product feed quality.

Performance Max for Ecommerce

AI-driven campaigns across all Google channels. Correctly configured with structured asset groups, audience signals, and conversion values so the algorithm optimises for margin-positive ROAS — not just spend.

Google Shopping Campaigns

Intent-matched Shopping campaigns with custom labels for product segmentation, bid adjustments by product performance, and negative query management to stop budget leaking to irrelevant searches. See also: Google Shopping management.

Merchant Centre Feed Optimisation

Feed title restructuring, GTIN coverage, category mapping, custom labels, and disapproval resolution. Feed quality determines Shopping visibility before a single bid is placed — it's where the biggest gains are.

Server-Side Conversion Tracking

Server-side GTM to recover purchase signals lost to ad blockers and browser privacy restrictions. Restores 15–30% of lost purchase data and improves Smart Bidding signal quality across all campaigns.

GTM / GA4 Advanced Setup

Enhanced ecommerce events, accurate revenue tracking per product group, and attribution modelling that reflects your actual sales mix — not just last-click credit.

Shopify & WooCommerce Integration

Platform-specific tracking setup, Merchant Centre feed connections, and campaign configurations for Shopify and WooCommerce stores. We know the nuances of each platform and configure them correctly.

Our ecommerce Google Ads process

Feed first. Data second. Campaigns third. A disciplined sequence that builds on accurate foundations.

01

Feed Audit

We audit your Merchant Centre product feed: disapprovals, title structure, GTIN coverage, image quality, and category mapping. Feed quality is where most ecommerce accounts lose before a campaign runs.

02

Tracking Foundation

Server-side GTM setup to recover lost purchase signals, GA4 enhanced ecommerce configuration, and conversion value accuracy verification. The data foundation for reliable Smart Bidding.

03

Campaign Architecture

Shopping campaigns segmented by performance, Performance Max configured with structured asset groups and audience signals, and negative query management to stop budget leaking to irrelevant searches.

04

Launch & Optimise

Ongoing bid strategy management, ROAS target calibration, audience refinement, and product group optimisation based on margin data. Performance adjusted as signals accumulate.

05

Report & Scale

Monthly reporting on true ROAS, incremental revenue, and customer acquisition cost. Scale what drives profitable growth; cut what inflates vanity metrics.

Trusted by Australian businesses

InStitchu — custom tailoring ecommerce client Academy Brand — Australian fashion ecommerce client Chefs' Warehouse logo Stan logo

Ecommerce results built on a data foundation

Sustainable performance growth — from fixing foundations to scaling what works.

Google Ads — Ecommerce

Flower Merchants

Online flower delivery — Australia-wide

Flower Merchants came to Ambire with campaigns that had been left to run without strategic oversight — broad match keywords, overlapping ad groups, and Shopping campaigns without feed optimisation. We audited their Merchant Centre, restructured product titles for better query matching, rebuilt campaign architecture around product margin, and tightened bidding strategy to focus spend on high-converting categories. The turnaround came quickly.

+47%Sales growth
+35%Reduction in wasted spend
3xReturn on ad spend
View All Case Studies

What our Google Ads clients say on Google

"We have been working with Ambire for over a year for both Google Ads management and SEO, and the results have been outstanding."

Chefs' Warehouse

Google Review

"Andrea and the team are experts in digital marketing. The Search Engine Marketing and SEO work we did with them was excellent, well thought out and delivered excellent results."

Geoff Main

Google Review

"Ambire team have been great! We moved to them after an experience with another SEO/Ads agency that had a very low care factor. Andrea, Jason and the team have been the complete opposite — proactive, nice to deal with and getting great results."

Jade Wood

Google Review

"Andrea and the team have been instrumental in elevating our performance from average to outstanding. Their knowledge, proactive approach, and clear reporting have driven measurable improvements. Highly recommend."

Gianluca Cotza

Google Review

"AMBIRE and Andrea have been looking after the paid and organic search for our website and the support they have provided is remarkable. Their attention to detail and how deep they analysed our business to understand it has been unparalleled by our previous agencies."

Mathieu Girolet

Google Review

Read all 21 reviews

on Google

View on Google

Why choose Ambire for ecommerce Google Ads

20+ Years of Google Ads Experience

Our founders have been running Google Ads campaigns since the platform launched. You work directly with senior specialists — not handed to juniors.

Ecommerce Tracking Specialists

Server-side GTM, GA4 enhanced ecommerce, and Merchant Centre feed expertise across Shopify and WooCommerce. We recover the purchase signals most agencies never realise are missing.

5.0 Google Rating (21 Reviews)

A perfect rating across 21 reviews. The result of consistently delivering for clients over 8+ years — not luck.

Feed-First Approach

We audit your Merchant Centre feed before touching campaigns. Feed quality determines Shopping visibility — fixing it is where the biggest gains are for most ecommerce accounts.

Full-Funnel Ecommerce Campaign Management

Shopping, PMax, Display, YouTube, Remarketing — managed with a unified strategy for new customer acquisition and retention. No siloed campaigns working against each other.

Google & Meta Partner

Certified Google Partner and Meta Business Partner — backed by the platforms that drive your traffic and sales.

Frequently asked questions

For most ecommerce businesses, the highest-priority campaign types are Google Shopping (for product-level intent), Performance Max (for broad reach across all Google surfaces), and Remarketing (to re-engage cart abandoners and past visitors). Search campaigns are valuable for brand protection and high-intent category terms. The right mix depends on your catalogue size, margin structure, and average order value. We typically layer these campaign types rather than choosing one — Shopping captures transactional intent, PMax expands reach, and Remarketing closes the funnel.
Performance Max (PMax) is Google's AI-driven campaign type that serves ads across Search, Shopping, Display, YouTube, Gmail, and Maps from a single campaign. For ecommerce, it largely replaces Smart Shopping. The short answer: yes, you should use it — but only when configured correctly. Without structured asset groups, audience signals, and accurate conversion value data, PMax tends to spend on low-intent traffic and claim attribution credit for organic sales. When set up properly, it can expand reach beyond the queries your Shopping campaigns capture. We configure PMax with separate asset groups per product category, seed audience lists from your existing customers, and pass revenue values per transaction so the algorithm optimises for margin, not just volume.
The Merchant Centre feed is the single most important factor in Google Shopping performance — more important than bids or budget. Google matches your products to search queries based entirely on your feed data: product titles, descriptions, categories, GTINs, and attributes. Poor product titles (using internal SKU names instead of descriptive search terms), missing GTINs, incorrect categories, and unresolved disapprovals all suppress your products before a single auction takes place. In our experience, feed optimisation alone — restructuring titles, adding GTINs, fixing disapprovals — regularly delivers 20–40% improvements in Shopping impression share without touching bids.
Standard browser-based conversion tracking sends purchase data from the user's browser to Google's servers. This works reliably when nothing interferes — but ad blockers, Safari's ITP (Intelligent Tracking Prevention), iOS privacy restrictions, and browser extensions routinely block these signals. Research consistently shows that 15–30% of actual purchases are invisible to Google Ads as a result. Server-side tracking moves the conversion tag to your server, bypassing browser restrictions entirely. The purchase signal is sent server-to-server, so ad blockers and browser privacy settings cannot intercept it. This recovers lost attribution data and gives Smart Bidding a more complete picture of your actual purchase volume — which directly improves bid optimisation and ROAS targets.
Shopify's native Google Ads integration uses browser-based tracking, which is affected by the same ad blocker and privacy restrictions described above. For reliable ecommerce tracking on Shopify, we implement Google Tag Manager via the Shopify GTM app, configure GA4 enhanced ecommerce events (view_item, add_to_cart, begin_checkout, purchase), and set up server-side GTM using a cloud container to send purchase events server-to-server. We also verify that the Google Ads conversion tag is receiving accurate revenue values per transaction — not just counting conversions. The result is a complete purchase signal that Smart Bidding can reliably use.
ROAS benchmarks vary significantly by category, competition, and average order value. Fashion and apparel typically sees 3–6x ROAS; electronics (with thin margins) often targets 8–15x to be profitable; home and garden commonly sits in the 4–8x range. But the number that matters is not headline ROAS — it's whether that ROAS is profitable after cost of goods and margin. A 4x ROAS on a 25% margin product is break-even; a 4x ROAS on a 60% margin product is highly profitable. We work with your margin data to set ROAS targets that reflect true profitability, not vanity metrics. We also track incrementality — ensuring campaigns are driving new revenue, not claiming credit for purchases that would have happened regardless.
Standard Shopping campaigns give you direct control over product groups, bids, and query exclusions. You can see exactly which search terms triggered your ads and apply negatives to stop wasted spend. Performance Max operates as a black box: Google controls where ads appear, which products to prioritise, and what creative to serve. You supply assets and signals; the algorithm decides execution. Standard Shopping is more transparent and controllable; PMax has broader reach but less visibility. In practice, most ecommerce accounts benefit from running both — standard Shopping for high-value products where you want precise control, PMax for broader discovery and reach. The key is ensuring PMax does not cannibalise your Shopping campaigns by targeting the same queries.
Yes. The core Google Ads platform is identical, but the tracking implementation differs by platform. Shopify has a more controlled environment — GTM must be implemented via a dedicated app, and the checkout process uses Shopify's hosted pages, which can create data layer limitations. WooCommerce running on WordPress allows more flexibility: GTM can be implemented directly, and custom data layer events are easier to configure. Merchant Centre feed connections also differ: Shopify has a native Google channel app; WooCommerce typically uses a plugin such as WooCommerce Google Listings and Ads or a third-party feed tool. We have experience with both platforms and configure tracking appropriately for each.
Large catalogues — thousands or tens of thousands of SKUs — require segmentation to avoid budget being concentrated on a small number of products while the majority receive no spend. We use custom labels in the Merchant Centre feed to tag products by margin tier, performance history, seasonality, and strategic priority. Shopping campaigns are then structured by these labels, with separate ROAS targets for high-margin versus low-margin products. We also use product group bid adjustments based on historical performance data, and apply negative product IDs or query exclusions to prevent low-margin or out-of-stock products from consuming budget. For very large catalogues, supplemental feeds allow us to optimise titles and attributes without modifying the primary feed.
Yes — and for ecommerce, the two channels are particularly complementary. Google Ads gives you immediate visibility for high-intent shopping queries while SEO builds long-term organic equity for category and product pages. The data flows both ways: Google Ads reveals which product queries convert at the highest rate, informing which category pages to prioritise for SEO. SEO traffic data identifies which product lines have organic demand you can scale with paid support. Ecommerce sites running both typically see better overall revenue efficiency than those relying on a single channel. Our SEO team works closely with paid search on ecommerce accounts to ensure consistent messaging and no wasted budget on queries where organic already ranks well. Learn more about our ecommerce SEO approach at our SEO agency page.

Related services

Google Shopping Management

Feed-first Shopping management. We fix Merchant Centre issues and product feed structure before building campaigns.

Learn more

Google Ads Lead Generation

Close the loop between ad clicks and confirmed sales. CRM integration, offline conversion imports, and lead quality signals that drive qualified pipeline growth.

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Google Ads Agency

Full-funnel Google Ads management covering all campaign types, tracking foundations, and performance reporting.

Learn more

Ready to find out what your dashboard is hiding?

Book a free ecommerce Google Ads audit. We'll review your tracking, feed quality, and campaign structure — and give you a clear picture of where revenue is being left on the table.

Book a Free Ecommerce Ads Audit