How to hire a geofencing marketing company

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How to buy geofencing well

1. Say what the fence is for. Reaching people currently inside an area, retargeting people who visited one earlier, and targeting households at known addresses are three different products with different costs and different accuracy.
2. Ask where the location data comes from. Ask which supply sources the vendor buys, how devices are matched to a location, what the accuracy radius is in practice, and how they handle consent and opt outs. Vague answers here are the reddest flag in this category.
3. Separate media from management. Get the media cost per thousand impressions and the agency fee quoted separately. Bundled pricing hides the markup and makes two proposals impossible to compare on the media itself.
4. Define the outcome before launch. Store visits, coupon redemptions, calls or form fills all need instrumentation agreed in advance. Visit lift claims produced only by the vendor's own model cannot be verified after the fact and should be treated as directional.

What the technology can and cannot do

Accuracy depends on how a device's location is determined. Precise positioning inside an app with location permission is one thing; inference from network data is much coarser. A fence drawn tightly around a single building will therefore include and exclude devices in ways the map in the pitch deck does not show. Ask what the vendor's practical accuracy radius is, and what share of the delivered impressions came from precise rather than inferred location, then ask how they know.

Volume is the other constraint. A small fence around a single location produces a small addressable audience, which is why campaigns with tight fences and large budgets either underdeliver or quietly widen the fence. Ask what the estimated reachable device count is for your fences before signing, and ask what the vendor does when delivery falls short.

Privacy and consent are the buyer's risk too

Location data is sensitive, and the rules around collecting, sharing and selling it have tightened. As the advertiser, you are the party whose brand appears on the ad, so ask how the vendor obtains consent, which supply partners it uses, whether it honours device level opt out signals, and how it treats sensitive locations such as medical facilities, places of worship and schools. Get the answers in writing and attached to the contract.

Ask also what data comes back to you. Aggregate reporting is normal; device level identifiers usually should not be landing in your systems without a clear legal basis and a plan for handling them. A vendor that offers to hand over raw device data casually is telling you something about how it treats everyone else's.

Measuring honestly

The strongest measurement in this category is something you control: a unique offer code, a dedicated landing page, a call tracking number, or a matched market test where comparable areas are held out as a control. Those produce evidence you can audit. Vendor modelled store visit lift is useful as a directional signal, but it is produced by a model the vendor owns and cannot be independently checked, so it should never be the only number in the review.

Set the reporting cadence and the fields before launch: impressions, reach, frequency, delivery by fence, and whatever outcome you instrumented. Frequency deserves particular attention, because small audiences plus large budgets produce very high repetition, which shows up as wasted spend rather than as an error.

Questions people actually ask

How accurate is geofencing?

It varies with how each device's location is determined, from reasonably precise in app positioning to much coarser network inference. Treat tight single building fences with caution, ask the vendor for its practical accuracy radius, and ask what share of delivered impressions used precise positioning.

How is geofencing priced?

Usually on a cost per thousand impressions basis, plus a management fee or a markup. Insist on seeing the media rate and the fee separately, along with a minimum spend if there is one, otherwise two proposals cannot be compared on the media at all.

Can I target a competitor's location?

Vendors commonly offer it, and it is one of the most requested uses. Ask about the reachable device volume before assuming it will deliver, keep messaging comparative rather than disparaging, and confirm the platform policies the vendor operates under.

How do I know it worked?

Instrument something you control: a unique code, a dedicated landing page, a tracking number, or a holdout market test. Vendor modelled visit lift is a useful directional signal but cannot be independently verified, so it should support your own measurement rather than replace it.

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