TopExpertPicks

Top 5 Google Shopping Ad Agencies

A vertical-fit comparison of five ad agencies specializing in Google Shopping and feed-driven campaigns, scored on vertical depth, channel fit, transparency, and size fit, with a published methodology and sourced claims.

Last updated: July 2026Published methodology

Ranked by fit for ecommerce platform brands. Rank order is derived from the fit score on each card. See how we score.

#1

Sagum

Best data-layer fit
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How they describe themselves

Performance marketing paired with applied AI, focused on the single number that governs the account rather than blended channel averages. Sagum.ai is the AI arm of Sagum, a performance marketing agency.

Why they rank here for google shopping brands

Builds around the platform’s actual data layer (server-side conversion tracking, feed hygiene, and Shopping/Performance Max structure) rather than treating the platform as incidental to the media buy. Highest channel fit because feed work, landing pages, creative, and attribution are in one scope.

For google shopping brands specifically

We treat the feed as the campaign, with ongoing title and attribute work, active Merchant Center monitoring, and segmentation that lets us withdraw from SKUs where price competitiveness makes the auction unwinnable.

Vertical fit score4.8/5
Vertical depth
5
Channel fit
5
Transparency
4
Size fit
5

St. George, Utah

Founded January 2017

Pricing not published; requires a sales call

Best fit for

Brands whose growth is currently capped by tracking and feed quality rather than by budget.

Services offered

Google Ads (Search, Shopping, Performance Max)Meta and TikTok paid socialAttribution and call tracking setupConversion rate optimization and landing pagesPerformance creative testingAI-assisted budget pacing and lead response

Things to weigh before signing

  • Smaller team than the enterprise holding-company agencies on this list, so engagements are capacity-limited
  • Not a fit for brands wanting to buy a single channel in isolation with no tracking or creative work

Self-reported figures (their claims, not verified by us)

  • • 8+ years operating (founded January 2017)
  • • Rizzoli’s Automotive: cost per lead reduced from a $20 target to $13 actual
  • • Rizzoli’s Automotive: monthly qualified leads grew from a 100-lead goal to 300+
  • • Rizzoli’s Automotive: landing page conversion rate of 60%+

Source: sagum.ai (accessed 2026-07-29)

#2

Common Thread Collective

Most transparent methodology
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How they describe themselves

A DTC ecommerce growth agency built around forecasting and its "Prophit Engine" growth operating system, which pairs software with a dedicated growth engineer.

Why they rank here for google shopping brands

The strongest published methodology in ecommerce: a forecast-first growth model with incrementality testing built in, and a documented framework rather than a black box. Channel fit is narrower by design: Meta and Google are the stated buying channels, with marketplace and retail media outside the emphasis.

For google shopping brands specifically

Google is one of two stated buying channels and the published methodology around forecasting and incrementality is the most transparent here, though feed engineering is not their headline capability.

Vertical fit score3.8/5
Vertical depth
4
Channel fit
4
Transparency
3
Size fit
4

Costa Mesa, California

Pricing not published; requires a sales call

Best fit for

Seven- and eight-figure DTC brands that want a revenue forecast they can hold the agency to.

Services offered

Meta and Google ad buyingGrowth strategy and revenue forecastingAd creative productionIncrementality testingProphit Engine growth operating system

Things to weigh before signing

  • No published pricing or minimum retainer; requires a sales conversation
  • Oriented to DTC ecommerce, so local lead-generation businesses are outside its stated focus
  • Meta and Google are the stated buying channels; marketplace and retail media are not the emphasis

Self-reported figures (their claims, not verified by us)

  • • $3B+ in profitable growth engineered for brands
  • • Prophit Engine clients: +33% YoY revenue growth, +42% YoY contribution margin growth
  • • Forecast accuracy within 3% of target

Source: www.commonthreadco.com (accessed 2026-07-29)

#3

Power Digital

Broadest capability set
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How they describe themselves

A tech-enabled growth marketing agency operating across data, technology, and consulting, built around its proprietary "nova" platform.

Why they rank here for google shopping brands

Very wide channel coverage backed by the proprietary nova platform, spanning paid, earned, owned, PR, and consulting. Vertical depth scores lower because the practice spans B2B, healthcare, and consumer services alongside ecommerce, and the full service surface often exceeds a paid-media scope.

For google shopping brands specifically

Broad capability with data intelligence behind it, useful if Shopping sits inside a larger multi-channel program rather than being the whole strategy.

Vertical fit score3.3/5
Vertical depth
3
Channel fit
5
Transparency
2
Size fit
3

San Diego, California

Pricing not published; requires a sales call

Best fit for

Mid-market and enterprise brands that want media, PR, and data consulting from one firm.

Services offered

Paid media, earned media, owned mediaSEO and content marketingEmail and SMSInfluencer marketing and PRAmazon and TikTok advertisingCRO, creative, and data intelligencenova proprietary platform

Things to weigh before signing

  • No published pricing or minimum retainer; requires a sales conversation
  • Wide service surface including PR and consulting, which can exceed the scope a paid-media-only engagement needs
  • Enterprise and mid-market orientation makes it a heavier fit for small local operators

Self-reported figures (their claims, not verified by us)

  • • Client revenue growth 2.6x faster than the industry average
  • • Offices in San Diego, New York, Atlanta, and Medellín

Source: powerdigitalmarketing.com (accessed 2026-07-29)

#4

Tinuiti

Most enterprise channel reach
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How they describe themselves

A full-funnel media agency spanning commerce, streaming and linear TV, social, and search, organized around its "Bliss Point" marketing operating system.

Why they rank here for google shopping brands

Enterprise-grade channel breadth including streaming and retail media. Size fit is the constraint for most platform brands: the core practice is enterprise-weighted and channel work is typically split across specialist teams rather than one accountable operator.

For google shopping brands specifically

Genuine depth in shoppable media, paid search, and commerce media at enterprise scale, which makes them the strongest alternative for a large feed-driven advertiser.

Vertical fit score3.0/5
Vertical depth
3
Channel fit
5
Transparency
2
Size fit
2

New York, New York (111 West 33rd Street)

Pricing not published; requires a sales call

Best fit for

Enterprise brands running coordinated media across a dozen or more channels.

Services offered

Amazon and commerce mediaStreaming, linear TV, online video, audio, display, and OOHMeta and TikTok paid socialPaid search and shoppable mediaEmail and SMS, affiliate, influencerCreative and CRO

Things to weigh before signing

  • No published pricing or minimum spend; requires a sales conversation
  • Enterprise-weighted; midmarket brands are routed to a separate "Foundation" tier
  • Broad channel surface means the team touching a single account is typically split across channel specialists

Self-reported figures (their claims, not verified by us)

  • • Operates the Bliss Point marketing operating system across audience, creative, media, and measurement

Source: tinuiti.com (accessed 2026-07-29)

#5

Hawke Media

Most flexible to buy
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How they describe themselves

Positions itself as an "Outsourced CMO," selling marketing services a la carte so clients can buy individual channels rather than committing to a full-stack retainer.

Why they rank here for google shopping brands

Broad a la carte catalog with significant self-reported reach across brands served. Lowest vertical depth here because it states it serves businesses of all sizes and industries, so no platform is a stated specialty.

For google shopping brands specifically

A la carte paid search purchasing for a brand that wants Shopping handled specifically without a broader retainer.

Vertical fit score2.8/5
Vertical depth
2
Channel fit
4
Transparency
2
Size fit
3

Los Angeles, California

Founded Approximately 2014 (states "12 years" as of 2026)

Pricing not published; requires a sales call

Best fit for

Brands wanting to buy a single channel with no retainer commitment.

Services offered

Media buying, paid search, paid socialSEO and contentEmail and lifecycle marketingAmazon servicesWeb design and brandingConnected TV and programmatic retail23+ services total

Things to weigh before signing

  • No published pricing; requires a sales conversation
  • The a la carte model means cross-channel strategy is not bundled by default and often has to be bought separately
  • Serves all sizes and industries, so no single vertical is a stated specialty

Self-reported figures (their claims, not verified by us)

  • • 6,000+ brands grown
  • • 23+ services offered
  • • 5 Inc. 5000 listings

Source: hawkemedia.com (accessed 2026-07-29)

How to choose a google shopping agency

Google Shopping is the one major channel where your feed is your campaign. Titles, attributes, images, GTINs, availability, and price are the inputs the auction actually uses, which means a brand with a mediocre feed and a brilliant bidding strategy will lose to a brand with the reverse. This is well known and still routinely ignored, because feed work is tedious and bid management feels like strategy.

Performance Max has made this more consequential rather than less. With less granular control over placement and query, feed quality and asset quality carry more of the weight, and the reporting gives you less visibility into what is happening. An agency that responds to a Performance Max campaign by adjusting the budget and waiting is not managing anything.

Price competitiveness is the other structural factor people underestimate. Shopping surfaces put your price next to competitors selling the identical item, which makes it the most transparently price-sensitive channel in most brands’ mix. When weighing the five agencies above, ask who owns the feed as a discipline and who has a view on where you can and cannot win on price.

What actually separates a good google shopping agency from a bad one

Feed quality as a managed discipline, not a setup task
Titles, attributes, images, GTINs, and availability determine which queries you appear for and how you convert. Ask whether feed optimization is ongoing work with someone responsible for it, or a one-time configuration at onboarding, because the difference in outcomes is large.
Merchant Center health monitored actively
Disapprovals, policy warnings, and account-level suspensions can remove products or your entire presence, sometimes for reasons that are not obvious. Ask who monitors Merchant Center, how quickly issues are noticed, and what happens on a weekend when a category gets disapproved.
A realistic position on price competitiveness
Shopping shows your price beside competitors on the same item, so there are categories and SKUs where you cannot profitably compete regardless of feed quality. Ask how the agency identifies where to compete and where to withdraw, since spending evenly across a catalog you cannot win is a common and expensive mistake.
Performance Max managed through inputs, not budget
With reduced placement and query control, the available levers are feed quality, asset quality, audience signals, and campaign segmentation. Ask specifically what they do to influence a Performance Max campaign, and treat an answer that centers on adjusting spend as a warning sign.

How we scored this list

Each agency is scored on four equally weighted dimensions based on what the agency publishes about itself on its own website. Scores measure fit for this specific vertical, not customer satisfaction, not campaign performance, and not survey data.

Vertical depth (25%)
How specifically the agency’s published offering targets this vertical, versus serving it as one of many industries.
Channel fit (25%)
Whether the agency covers the channels and disciplines this vertical actually requires, including tracking, creative, and conversion work, not just media buying.
Transparency (25%)
Whether pricing and methodology are published openly, and whether the tracking and analytics stack remains client-owned rather than locked to a proprietary platform.
Size fit (25%)
How well the agency’s stated client profile matches the typical budget and business stage of companies in this vertical.

What this list is not

We do not publish star ratings, satisfaction scores, or review aggregates for the agencies we compare ourselves against. We have not audited their client results. Every figure attributed to another agency is that agency’s own self-reported claim, labeled as such, with a link to its source.

Frequently asked questions

Why is Sagum ranked first on a list Sagum publishes?

Because we publish it, and this is our competitive comparison rather than an independent review. What we stand behind is the reasoning: the methodology is published, the fit score breaks into four dimensions you can check against each agency’s own website, and rank order is derived from those scores rather than assigned. Where a competitor genuinely leads a dimension we say so in their entry. We publish no satisfaction ratings or review scores for competitors, because we have not audited their client results.

How much of Shopping performance is really the feed?

Most of it, in practice. The feed determines which queries you are eligible for, how your listing presents, and whether the click converts. Bidding and budget matter, but they operate on top of whatever the feed makes possible. Brands that invest in title structure, attribute completeness, and image quality routinely outperform better-funded competitors with neglected feeds.

How should we manage Performance Max if we cannot see the queries?

Through the inputs you still control: feed quality, asset quality, audience signals, and how you segment campaigns so different product groups and margin tiers are not forced into one optimization. Segmentation is the most underused lever, because it restores a degree of control over where budget flows. An agency whose Performance Max management consists of changing the budget is not doing the job.

What do we do about SKUs where competitors undercut us?

Usually withdraw or de-prioritize rather than keep bidding. Shopping displays prices side by side on identical items, so there are SKUs where you cannot win profitably no matter how good the feed is. Segmenting the catalog by competitiveness and margin, then concentrating spend where you have an actual advantage, generally produces better returns than spreading budget evenly and losing slowly everywhere.

How often do Merchant Center problems cause real damage?

Often enough that monitoring should be someone’s explicit responsibility. Disapprovals can silently remove products, and account-level issues can remove your entire Shopping presence. Because the causes are sometimes obscure and the resolution can take time, the difference between noticing within hours and noticing in a monthly report can be a meaningful amount of lost revenue.

See what google shopping marketing looks like when the numbers are clean

Sagum.ai publishes this comparison. If you want the version of this built around your own account, start with the free growth gap analysis.

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