San Diego has an unusual advertiser mix for a market its size: defence and government contractors, biotech and device companies, a large tourism and hospitality sector, cross border commerce with Tijuana, and the ordinary dense field of home services, law firms, dentists and restaurants. Those buyers need very different paid search programmes, and the agencies here range from two person shops running a handful of local accounts to firms managing national spend from a Sorrento Valley office. The comparison problem is not finding candidates, it is that paid search is the easiest service to make look successful in a report while quietly losing money. This page is about the checks that survive that.
Own the account, always, without exception
The single most consequential decision in hiring for paid search is whose advertising account the money runs through. If the agency runs your campaigns inside their own account, you are renting a history you cannot take with you: the conversion data, the audience lists, the negative keyword work and the quality signals built up over years all stay with them when you leave. Some agencies present this as a service that saves you setup work. Treat it as a red flag. Insist on an account owned by your business, with the agency granted access, and the same for analytics and any tag management. Ask what happens on the day you terminate: how access is revoked, what is exported, and whether any campaign structure or asset is claimed as the agency's intellectual property. The answers should be simple and unhesitant. A firm that has to check with a partner before agreeing that you own your own ad account is telling you what its other clients discovered late.
Local versus national, and why the pitch may not match your job
A San Diego home services advertiser and a San Diego biotech selling nationally need almost nothing in common. Local accounts live on tight geographic targeting, call tracking, hours of operation, and a landing experience that gets someone to phone. National accounts live on account structure, negative keyword hygiene at scale, feed quality and margin per conversion. Agencies frequently sell the practice they are strongest at regardless of which you need, so ask directly what proportion of their current accounts look like yours in geography and spend, and ask to see the structure of one. If your market is the city itself, remember that a PPC company in San Diego competing for local intent is bidding in a market where a few large advertisers can move costs for everyone, and an agency should be able to describe how it defends your position when a competitor floods the auction rather than simply raising bids until the budget is gone.
The reporting tricks that hide a losing account
Paid search reporting is easy to flatter. The most common tactic is reporting conversions from the ad platform without reconciling them against what your own systems recorded, since platform attribution counts view-through and modelled conversions that your CRM never sees. The second is reporting branded search separately from nothing, so that people who were already searching for you by name are counted as the campaign's success. The third is reporting cost per lead while quietly widening the definition of a lead. Guard against all three by insisting on one report that shows spend, platform conversions, your own recorded conversions, and the gap between them, with branded and non branded split out. Ask what the agency does when the two conversion numbers diverge; the honest answer involves investigating rather than choosing the flattering one. General advertising law applies to the ads themselves too, and the Federal Trade Commission's guidance on online advertising and on making effective disclosures in digital advertising is the standard your creative has to meet.
Fee models and the incentive each one creates
There are three common models and each pushes the agency somewhere. A share of ad spend rewards spending more, which is fine while you are growing and dangerous when the right answer is to cut. A flat monthly retainer is neutral on spend and rewards efficiency of the agency's own time, which can mean less attention as the account matures. Performance fees align interests on paper but require an agreed, auditable definition of the outcome, and disputes here are common. Whichever model you accept, ask for the disclosed minimum, ask how many hours a month the fee assumes, and ask who actually touches the account, since the pitch team and the delivery team are frequently different people. Then ask for the last three months of changes made to a comparable account. An account that shows almost no change history is not stable, it is unattended, and you are paying a management fee for storage.
Questions people ask about san diego ppc agency
Do we need an agency physically in San Diego?
For a locally targeted account there is modest value in someone who knows the neighbourhoods, the seasonality and the competitor set, and who can meet you. For national accounts, location is largely irrelevant next to account expertise. Do not pay a local premium unless you can name what the local knowledge changes in the campaign.
What is a reasonable minimum ad budget?
Enough that the account gathers meaningful data in weeks rather than quarters, which depends entirely on your cost per click. Work it backwards: at your keyword costs, how many clicks a month does your budget buy, and how many clicks do you need before a conversion rate means anything. If the answer is a handful, either narrow the targeting or reconsider the channel.
How quickly should paid search show results?
Traffic is immediate; a reliable read on cost per acquisition takes long enough to accumulate conversions, typically one to three months depending on volume. Be suspicious of both extremes: an agency promising profitability in week two, and one asking for six months before any judgement. Agree the checkpoint dates before launch.
Should the agency also handle landing pages?
Someone must, because the landing experience decides most of the outcome and agencies often blame a page they were not allowed to change. Either give the agency the ability to build and test pages, or make page work an explicit responsibility of your own team with agreed turnaround times. Leaving it undefined is how accounts stall.