SiteFence

Geofenced tracking ensures teams are safe and on-task at every job site.

Score: 8.2/10SLMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Construction managers lack oversight over remote teams, causing quality control failures, safety violations, costly rework, and legal risks.

Solution

Set virtual fences around sites; track team arrivals, durations, and task completions via mobile GPS. Automated logs flag unauthorized absences or overruns, preventing safety risks and billing disputes. Managers get live maps and attendance reports.

Target Audience

Construction managers and supervisors overseeing remote field teams on job sites

Differentiator

Battery-efficient geofencing with task verification, no constant location sharing required.

Brand Voice

professional

Features

Geofence Setup

must-have15h

Draw site boundaries on map for auto-checkins.

Live Team Map

must-have20h

Real-time positions and status bubbles on interactive map.

Attendance Logs

must-have10h

Auto-record entry/exit times with task proofs.

Overrun Alerts

must-have8h

Notifications for late tasks or fence breaches.

Shift Reports

must-have12h

Daily summaries of hours worked and compliance.

Task Geotagging

nice-to-have7h

Require location proof for task completion.

Battery Saver Mode

nice-to-have5h

Event-based tracking only.

Integration with Payroll

future20h

Export timesheets to QuickBooks.

Total Build Time: 97 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
is_managerboolNo
created_attimestampNo

Relationships:

  • belongs to organization

sites

ColumnTypeNullable
iduuidNo
nametextNo
geo_boundarytextNo
org_iduuidNo

Relationships:

  • has many checkins

checkins

ColumnTypeNullable
iduuidNo
user_iduuidNo
site_iduuidNo
event_typetextNo
timestamptimestampNo
durationintYes

Relationships:

  • belongs to user and site

organizations

ColumnTypeNullable
iduuidNo
nametextNo

Relationships:

  • has many users and sites

API Endpoints

POST
/api/sites

Create geofenced site

🔒 Auth Required
POST
/api/checkins

Log location event

🔒 Auth Required
GET
/api/map/:siteId

Live team positions

🔒 Auth Required
GET
/api/reports/shift/:date

Fetch attendance report

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + Shadcn/UI + Leaflet.js
Backend
Next.js API + Supabase
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Supabase RealtimeExpo for PWA

Build Timeline

Week 1: Auth and site/geofence CRUD

35h
  • User/org setup
  • Map drawing tool

Week 2: Mobile checkin flow

40h
  • Geolocation API
  • Event logging

Week 3: Live map and alerts

35h
  • Realtime updates
  • Push notifications

Week 4: Reports and payments

30h
  • Shift summaries
  • Stripe tiers

Week 5: Polish and test

20h
  • Battery optimizations
  • Beta testing

Week 6: Launch prep

15h
  • Landing optimizations
  • SEO
Total Timeline: 6 weeks • 175 hours

Pricing Tiers

Free

$0/mo

5 users

  • 1 site
  • Basic tracking

Pro

$30/mo

50 users

  • Unlimited sites
  • Live maps + alerts
  • Reports

Enterprise

$99/mo

Unlimited

  • All Pro + custom fences
  • API
  • On-prem option

Revenue Projections

MonthUsersConversionMRRARR
Month 1804%$96$1,152
Month 65007%$1,050$12,600

Unit Economics

$35
CAC
$360
LTV
6%
Churn
90%
Margin
LTV:CAC Ratio: 10.3xExcellent!

Landing Page Copy

Know Exactly Where Your Crew Is – Always

Geofencing + GPS tracking prevents ghost shifts and safety gaps effortlessly.

Feature Highlights

Auto attendance logs
Live site maps
Breach alerts
Effortless reports

Social Proof (Placeholders)

"'Cut payroll fraud by 30%' – Mike, Foreman"
"'Peace of mind for remote sites' – Lisa, Manager"

First Three Customers

Target mid-size contractors via Facebook Ads ($100 budget) to construction groups; offer free setup help. Email 20 local firms from Google Maps searches. Partner with one safety consultant for referrals.

Launch Channels

Product Huntr/SaaSConstruction DiveTwitter #constructiontech

SEO Keywords

construction crew tracking appgeofencing for job sitesremote construction attendance software

Competitive Analysis

$5/user/mo
Strength

Time tracking

Weakness

No geofencing

Our Advantage

Site-specific safety focus

Custom
Strength

Safety logs

Weakness

Manual entry

Our Advantage

Automated GPS

🏰 Moat Strategy

Network effects from shared industry benchmarks on attendance patterns.

⏰ Why Now?

Labor shortages amplify need for verifiable remote oversight; GPS hardware cheaper.

Risks & Mitigation

legalmedium severity

Privacy concerns with location data

Mitigation

Opt-in, anonymized aggregates, GDPR compliance

technicallow severity

GPS accuracy in urban sites

Mitigation

Fallback to WiFi + user confirm

Validation Roadmap

pre-build5 days

Survey 15 supervisors on tracking pains

Success: 70% want auto-attendance

mvp21 days

PWA beta with 3 sites

Success: 90% checkin accuracy

Pivot Options

  • General workforce tracking
  • Asset geofencing
  • Delivery fleet monitoring

Quick Stats

Build Time
175h
Target MRR (6 mo)
$1,500
Market Size
$3000.0M
Features
8
Database Tables
4
API Endpoints
4
SiteFence - Complete Startup Blueprint | Startup Tribunal