# FieldHub > FieldHub is all-in-one business software for security alarm dealers, fire alarm > contractors, and low-voltage/AV integrators. It combines native double-entry > general ledger accounting, automated recurring revenue (RMR) billing with > deferred revenue recognition, CRM and proposals, field service scheduling and > dispatch, an offline-capable technician mobile app, and serialized inventory — > in one system with one database. FieldHub fully replaces QuickBooks plus a > separate field service tool; it is not inspection software, fire panel > configuration software, or IT/cybersecurity software. ## Solutions - [Alarm Company Billing Software](https://fieldhub.com/solutions/security-alarm/): RMR billing automation, central station sync (Affiliated, Becklar/AvantGuard, Rapid Response), CRM, and native GL accounting for alarm companies. - [Fire Alarm Contractor Software](https://fieldhub.com/solutions/fire-alarm/): RMR and inspection billing, NFPA inspection tracking, job costing, and accounting for fire and life-safety contractors. - [Field Service Accounting Software](https://fieldhub.com/solutions/field-service/): field service management with a real general ledger built in — schedule, dispatch, bill, and close the books in one system. - [AV & Access Control Integrator Software](https://fieldhub.com/solutions/av-access-control/): job costing, serialized inventory, and accounting for low-voltage integrators. - [Replace QuickBooks](https://fieldhub.com/solutions/replace-quickbooks/): why security and fire contractors replace QuickBooks + FSM-tool stacks with one platform (FieldHub does not integrate with QuickBooks — it replaces it). - [Switch from Sedona Office](https://fieldhub.com/solutions/switch-from-sedona/): cloud-native alternative to Sedona Office with multiple central station options and automated RMR billing. ## Key Features - [Full Feature List](https://fieldhub.com/features/full-feature-list/): the complete feature matrix — every capability across sales, service, inventory, accounting, RMR billing, reporting, and platform security. - [Recurring Billing Automation (RMR)](https://fieldhub.com/features/recurring-billing-automation-and-recognition/): automated recurring invoicing, proration, card/ACH charging, and deferred revenue recognition. - [Field Technician Mobile App](https://fieldhub.com/features/field-technician-mobile-app/): native iOS/Android app with offline operation, time tracking, materials, and system documentation. - [Job Costing](https://fieldhub.com/features/job-costing/): real-time labor, material, and subcontractor costs with GL integration. - [CRM](https://fieldhub.com/features/crm/): leads, opportunities, proposals, and customer lifecycle in the same system as billing and accounting. - [Warehouse & Inventory Management](https://fieldhub.com/features/warehouse-management/): multi-warehouse serialized inventory with GL-based inventory accounting. - [All features](https://fieldhub.com/features/) ## Resources - [FAQ](https://fieldhub.com/faq/): direct answers on GL accounting, QuickBooks replacement, data migrations, the sandbox pilot, and payment processing. - [Case Studies](https://fieldhub.com/case-studies/): security and fire companies running their businesses on FieldHub. - [Integrations](https://fieldhub.com/integrations/): central stations, payment gateways, and communications partners. - [Recorded Webinar](https://fieldhub.com/video/2024-deck-webinar/): full platform walkthrough for security and fire alarm companies. - [Schedule a Demo](https://fieldhub.com/schedule/)