Agency Selection Guide — March 2026

How to Choose a Google Ads Agency in 2026

Most businesses hire the wrong agency, burn three to six months of budget, and leave having learned nothing. This guide gives you the exact questions to ask, the red flags to spot, and an interactive audit tool to evaluate any agency — including one you're already paying.

By Brett CasaccioMarch 202614 min read

There are thousands of agencies, consultants, and freelancers offering Google Ads management. The quality gap between them is enormous — and the cost of hiring the wrong one isn't just the retainer. It's budget wasted on poorly structured campaigns, months of missed revenue while you figure out something isn't working, and damage done to your account history.

This guide is written from the inside. After managing Google Ads since 2016 — at agencies, then independently — I've seen every version of this go wrong. What follows is what I'd tell any business owner hiring their first agency or replacing one that isn't delivering.

The Agency Hiring Process at a Glance

Before we go deep, here is the full picture. Every stage below is covered in this guide.

01Research agencies with verified local results
02Ask the 7 pre-hire questions
03Check for the 7 red flags
04Run the 10-point pre-hire checklist
05Agree on 90-day success metrics

Is Your Current Agency Any Good?

Answer 5 quick questions. We'll tell you if there are red flags worth acting on.

Do you know the name of the person managing your account day to day?

Does your monthly report show cost per lead or ROAS — not just clicks?

Has your campaign structure changed in the last 60 days?

Does the agency charge a percentage of your ad spend (e.g. 15% of budget)?

Is your Google Ads account owned by the agency, not by you?

7 Questions to Ask Before You Sign

A good agency answers all of these clearly and without hesitation. Evasiveness on any of them is information.

7 Red Flags That Should End the Conversation

Each of these represents a structural problem that will directly cost you money. Tap any card to read why.

What Good Google Ads Management Looks Like

A competent agency has a clear plan for every month. Here is what the first 90 days — and beyond — should look like. If your agency can't describe this, that's a red flag.

Month 1
Foundation
  • Account audit & historical data analysis
  • Keyword research & competitor analysis
  • Campaign structure build or rebuild
  • Conversion tracking verification
  • Negative keyword list seeded
  • Ad copy A/B test variants written
Baseline established
Month 2
Learning
  • Smart bidding algorithms collecting data
  • Search term reports reviewed weekly
  • Negative keywords added continuously
  • Ad copy performance evaluated
  • Landing page conversion rate assessed
  • First full reporting period reviewed
Data starts flowing
Month 3
Optimisation
  • Bid strategy adjustments based on data
  • Winning ad copy scaled, losers paused
  • Audience layers added (RLSA, in-market)
  • Device & time-of-day bid adjustments
  • Budget reallocation toward top performers
  • CPA or ROAS trend confirmed positive
CPL starts dropping
Month 4+
Scaling
  • Budget scaling on proven campaigns
  • New campaign types tested (PMax, DSA)
  • Seasonal bid strategy adjustments
  • Competitor gap analysis revisited
  • Attribution model reviewed quarterly
  • Strategy review call with recommendations
Compounding returns

If your agency can't walk you through their Month 1 plan before you sign — that is your answer. A professional operation has this documented. Improvisation is not a strategy.

Agency vs. Boutique Specialist

There is no universal answer — but the trade-offs are stark. Toggle between both to compare.

More services under one roof (SEO, social, email)
Brand name reassures internal stakeholders
Account managed by junior staff, not the person who sold you
Account managers change every 6–12 months
Strategy is templated, not built for your business
Higher overhead passed on as higher fees
Hard to get direct access to decision makers
Percentage-of-spend pricing creates a conflict of interest

Pre-Hire Checklist

Before signing any contract, run through this list. Every item unchecked is a conversation you need to have first.

0 of 10 confirmed0%

What Great Google Ads Management Looks Like

Most businesses have only experienced mediocre PPC management, so they don't know what to benchmark against.

Strategy before spend

Campaign structure, bid strategy, and conversion tracking are mapped out before a single dollar of ad spend is committed.

Proactive communication

You hear from them when something changes — not just when you ask. Budget anomalies, algorithm updates, competitor moves: they flag it first.

Ongoing optimisation

New ad copy tests, bid adjustments, search term reviews, audience exclusions — something meaningful is changing in your account every week.

Outcome-focused reporting

Reports answer one question: 'did this produce revenue?' Every metric connects to business impact — not just platform vanity stats.

Frequently Asked Questions

Ready to work with an agency that answers all 7 questions?

Casaccio Media manages a small number of accounts directly — no junior staff, no templated campaigns, no percentage-of-spend pricing.

Work With Us

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