What is Geofencing?

Summary

Geofencing is a location-based marketing technology that creates virtual boundaries around specific geographic areas to trigger targeted actions when mobile devices enter, exit, or dwell within those zones. These actions include delivering advertisements, sending push notifications, capturing audience data, or activating location-specific experiences. Geofencing uses GPS, Wi-Fi, cellular data, or beacon technology to detect device location with precision ranging from feet to miles, depending on the application.

Why Geofencing Matters

B2B buyers may engage in research activities at specific physical locations, such as by attending events or meeting consultants. Geofencing enables marketers to reach these audiences based on location, delivering relevant messages at key moments. Location data also reveals intent signals that inform broader segmentation and targeting strategies.

Some of the main applications of geofencing for demand generation professionals are:

• Event marketing: Target attendees at conferences, trade shows, and industry events where decision makers gather
• Competitor displacement: Reach audiences visiting competitor locations with relevant alternative messaging
• Account-based targeting: Deliver advertising to specific office buildings or campuses of target accounts
• Audience building: Create custom audiences based on location behavior for retargeting and lookalike modeling
• Local campaign activation: Support field marketing with location-specific campaigns and offers
• Attribution: Connect digital advertising exposure to physical location visits and conversions

Organizations that incorporate geofencing into their marketing mix achieve more precise targeting, stronger event ROI, and competitive advantages in reaching decision makers at high-intent moments.

How Does Geofencing Work?

Geofencing creates virtual perimeters that trigger actions based on device location.

Geofencing process

1. Define location: Select coordinates, addresses, or draw boundaries
2. Set parameters: Configure radius, triggers, dwell time
3. Deploy: Activate campaigns through selected platforms
4. Detect: System monitors for devices crossing boundaries
5. Trigger: Predefined action activates
6. Measure: Track engagement and conversions

Location detection technologies

Trigger types

• Entry triggers: Activate when a device crosses into the geofenced area. Common for welcome messages, event check-ins, and initial engagement
• Exit triggers: Activate when a device leaves the geofenced area. Common for follow-up messaging, surveys, and retargeting activation
• Dwell triggers: Activate after a device remains within the area for a specified time. Common for deeper engagement with confirmed visitors versus pass-through traffic

Geofence sizing

Smaller geofences provide precision but capture fewer devices. Larger geofences capture more volume but might include less relevant audiences.

What is the Difference Between Geofencing and Geotargeting?

Geofencing and geotargeting both use location data, but operate differently. Geofencing creates precise virtual boundaries around specific locations and triggers real-time actions when devices enter, exit, or dwell within those zones. Geotargeting delivers content to users based on broader geographic location data, such as IP addresses, zip codes, or cities, without requiring real-time boundary crossing.

Geofencing vs. geotargeting comparison

When to use each approach

Use geofencing when:

• Targeting specific venues, buildings, or events
• Timing matters (reaching attendees during an event)
• Building audiences based on location visits
• Deploying location-based competitor displacement campaigns

Use geotargeting when:

• Targeting broader geographic regions
• Localizing content or offers by market
• Reaching users based on general location
• Campaign budgets require efficient reach

Note that the growing adoption of VPN systems might hinder the effectiveness of geotargeting by hiding users’ actual IP addresses.

Combining approaches

Effective location strategies often combine both techniques. Geotargeting establishes regional reach while geofencing provides precision at high-value locations within those regions.

What Are Common B2B Geofencing Use Cases?

B2B marketers apply geofencing to target conference and trade show attendees, reach prospects visiting competitor locations, deliver account-based advertising to specific office buildings, and build custom audiences based on location behavior for retargeting

B2B geofencing applications

Event and conference targeting

Geofencing around industry conferences captures audiences with demonstrated interest.

Implementation approach:

• Create geofences around the venue and surrounding hotels
• Activate before, during, and after the event
• Serve brand awareness and thought leadership content
• Build audience segments for post-event retargeting

Best practices:

• Extend the geofence to hotels and restaurants near the venue
• Continue retargeting for 30-90 days post-event
• Align messaging to event themes and sessions
• Measure both engagement and post-event conversions

Competitive displacement

Target audiences visiting competitor locations to introduce alternative solutions.

Implementation approach:

• Geofence competitor headquarters, offices, and events
• Serve differentiation messaging and competitive content
• Build audiences for ongoing nurturing
• Measure engagement and downstream conversion

Considerations:

• Ensure messaging focuses on delivering superior value, not downplaying competitors
• Combine with broader competitive displacement campaigns
• Respect privacy considerations and platform policies

Account based geofencing

Support ABM strategies by targeting specific account locations.

Implementation approach:

• Geofence headquarters and major offices of target accounts
• Serve personalized, account-specific messaging
• Coordinate with other ABM channels for omnichannel coverage
• Track account-level engagement and pipeline influence

Best practices:

• Focus on larger locations with sufficient traffic volume
• Align geofencing with account-level intent signals
• Integrate with CRM for attribution tracking

What Are the Benefits and Limitations of Geofencing?

Geofencing offers precise targeting and real-time engagement capabilities, but marketers must account for scale constraints, privacy requirements, and accuracy variations across different environments.

Benefits of geofencing

• Precise targeting: Reach audiences at specific locations with high relevance
• Real-time engagement: Deliver messages at moments of highest impact
• Intent signals: Location behavior indicates interest and intent
• Audience building: Create custom segments based on location visits
• Attribution: Connect ad exposure to physical visits
• Competitive advantage: Reach audiences at competitor and event locations

Limitations of geofencing

Privacy and compliance considerations

• User consent: Geofencing relies on users enabling location services. Privacy-conscious users who disable location sharing cannot be reached
• Regulatory compliance: Location data collection must comply with GDPR, CCPA, and other applicable privacy regulations. Ensure proper consent mechanisms and data handling practices
• Platform policies: Advertising platforms enforce policies on location targeting. Review and comply with platform-specific requirements

How Do You Implement a Geofencing Campaign?

Effective geofencing campaigns require a structured approach to defining objectives, selecting platforms, building appropriately-sized boundaries, developing location-relevant creative assets, and measuring performance through attribution.

Implementation steps

1. Define objectives: Identify goals, target locations, and success metrics
2. Select platform: Choose a DSP or platform with geofencing capabilities
3. Build geofences: Define boundaries with appropriate sizing and relevant filtering criteria
4. Develop creative: Design location-relevant messaging and formats
5. Set parameters: Configure triggers, frequency caps, dwell times
6. Launch: Activate campaign with monitoring in place
7. Optimize: Adjust based on performance data
8. Measure: Analyze results and attribute outcomes

Geofence design considerations

• Location selection: Choose locations where target audiences concentrate with sufficient volume to generate meaningful reach
• Boundary sizing: Balance precision with volume. Smaller boundaries capture fewer but more relevant devices
• Trigger configuration: Select triggers (entry, exit, dwell) based on campaign objectives and desired engagement timing
• Frequency management: Set frequency caps to avoid ad fatigue among geofenced audiences

Creative best practices

• Location relevance: Reference the location or context when appropriate to demonstrate relevance and increase engagement
• Clear value proposition: Deliver immediate value given the high-intent, real-time context of geofencing
• Mobile optimization: Ensure the delivered assets perform well on mobile devices, the primary platform for geofencing delivery

Measurement approach

• Engagement metrics: Track impressions, clicks, and engagement rates for geofenced audiences versus broader campaigns
• Audience analytics: Analyze audience composition, visit patterns, and dwell time data
• Conversion attribution: Connect geofencing exposure to downstream conversions, pipeline, and revenue where possible
• Foot traffic measurement: For applicable use cases, measure the impact on physical location visits, or compare delivery data with other attendance metrics, such as attendance lists

Key Takeaways

• Geofencing is a location-based technology that creates virtual boundaries to trigger targeted actions when devices enter, exit, or dwell within specific geographic areas
• Geofencing works by defining coordinates, setting trigger parameters, detecting devices crossing boundaries, and activating predefined actions like ad delivery or data capture
• Geofencing differs from geotargeting in precision and mechanism: geofencing triggers on real-time boundary events, while geotargeting delivers content based on broader location data
• B2B applications include event targeting, competitive displacement, account-based advertising, campus targeting, and identifying new audience segments
• Benefits include precise targeting, real-time engagement, intent signals, and competitive advantage. Limitations include scale constraints, privacy requirements, and accuracy variation
• Implementation requires defining objectives, selecting platforms, building appropriately sized geofences, developing location-relevant creative, and measuring engagement through attribution

Learn More About Location-Based Targeting

Explore strategies for precise audience targeting:

• Definitive Guide to B2B Account Based Marketing
• Definitive Guide to B2B Market Segmentation