# Accounting Software Development > Build custom accounting software with automated bookkeeping, GAAP/IFRS compliance, and real-time financial dashboards. Canonical: https://app369.com/industries/accounting/ Custom accounting software for firms and finance teams: automated bookkeeping and reconciliation, jurisdiction-aware tax logic, real-time financial dashboards and immutable audit trails, built to support GAAP and IFRS reporting. [**Get a Free Quote **→](https://app369.com/contact/) [**View Portfolio**](https://app369.com/portfolio/) **GAAP/IFRS** compliance-ready architecture **FL** Based in Miami, Florida **Flutter** iOS, Android & web **Fixed** Price in writing before work starts What App369 Delivers ## **Accounting Solutions We Deliver** 01 ### **Automated Bookkeeping Systems** The system can handle multi-currency transactions and sync with bank feeds in real time. 02 ### **Tax Computation Engines** Jurisdiction-aware tax calculation modules supporting federal, state, and international tax codes. 03 ### **Financial Dashboards** Real-time P&L, balance sheet, and cash flow dashboards with drill-down capabilities. 04 ### **Expense Tracking & Management** Supports corporate card integration and mileage tracking. 05 ### **Multi-Entity Consolidation** Automated intercompany elimination and multi-entity financial consolidation for enterprises managing subsidiaries across jurisdictions. 06 ### **Audit Trail Systems** Immutable, timestamped logs of every financial transaction and user action. How it works ## **The Development Process** Short sprints with a working demo at the end of each one mean you see progress early and can change priorities before they become expensive. 2. 01 ### **Discovery** Simon analyzes your vision, goals, and competitive landscape to craft a solution roadmap. This phase typically runs 1-2 weeks and defines the full project scope. 3. 02 ### **Design** Intuitive UI/UX crafted with interactive prototypes. Prototypes let you test the flow with real users before any code is written. 4. 03 ### **Development** Expert engineering using Flutter, Vue.js, Node.js, and GCP in 2-week Agile sprints with weekly milestone demos for full transparency. 5. 04 ### **Launch & Support** Reliable deployment with crash and uptime monitoring and ongoing maintenance. Maintenance plans run during business hours, Monday to Friday. ## The Technology Stack - Flutter - TypeScript - Node.js - GCP - Firebase - Vue - JavaScript - Python Questions ## **Frequently Asked Questions** ### **How does custom accounting software handle GAAP and IFRS compliance simultaneously?** A dual-standard architecture maps chart of accounts and journal entries to both GAAP and IFRS frameworks. The system applies the correct recognition and measurement rules based on entity configuration. We also include built-in validation checks that flag entries deviating from the selected standard before they are posted. ### **Can custom accounting software integrate with existing ERP systems like SAP or Oracle?** Yes, we build integration layers using REST APIs and middleware connectors that sync data bidirectionally with SAP, Oracle, NetSuite, and other ERP platforms. Our integration approach ensures real-time data consistency across systems while preserving existing workflows and approval hierarchies. ### **What real-time reporting capabilities are possible with custom accounting software?** Custom platforms enable live dashboards showing cash position, revenue recognition, and expense breakdowns updated to the minute. We implement streaming data pipelines that pull from bank feeds, payment processors, and sub-ledgers simultaneously, giving CFOs an always-current financial picture. ### **Is cloud-based accounting software more secure than on-premise solutions?** Cloud accounting platforms built on GCP or AWS benefit from SOC 2 Type II certified infrastructure, automated security patching, and encryption at rest and in transit. We implement role-based access control, MFA, and IP whitelisting to ensure that sensitive financial data remains accessible only to authorized personnel. Live demo ## **Try a working site for a business like yours** Concept sites App369 designed and built for made-up businesses in this field. Not client work. Open one on your phone and click around. ![Coral Way Tax & Accounting: Concept accounting firm website](https://app369.com/.netlify/images?w=960&h=600&fm=webp&q=80&url=%2Fportfolio%2Fconcepts%2Fcoralway.webp) 2026Concept site by App369, not a client project ### **Coral Way Tax & Accounting** Concept accounting firm website A CPA firm for Miami small businesses, in English and Spanish. A monthly price builder for bookkeeping, payroll and returns, a 2026 federal and Florida tax-deadline calendar you can download, and call booking. HTMLCSSJavaScripti18n [**Live concept **↗ (opens in a new tab)](https://app369-concept-coralway.web.app/) ![Simon Dziak - Founder of App369](https://app369.com/.netlify/images?w=120&h=120&fm=webp&q=100&url=%2Fimages%2Fszymon.jpg) Your Development Partner ## [Simon Dziak](https://app369.com/about/) I build every accounting software development project myself, with Flutter and Firebase, and I personally ensure every project meets the highest standards. ## **Prefer a fixed price?** Fixed scope, fixed price, paid upfront. The work happens in writing; no call needed. - [**Web App MVP Sprint**from $6,000A scoped web app MVP in Vue/Nuxt or React, with a fixed quote after a $450 written scoping.](https://app369.com/fixed-price/web-app-mvp/) - [**App Fix Ticket**from $450One reproducible bug in an existing mobile or web app, diagnosed and fixed.](https://app369.com/fixed-price/flutter-firebase-bug-fix/) - [**AI Feature or Agent Build**$2,500One LLM feature or agent wired into your app or tools, with an eval set that shows how well it works.](https://app369.com/fixed-price/ai-feature-development/) ## **Build Reliable Accounting Software That Scales** [**Get a Free Quote **→](https://app369.com/contact/) [**View Portfolio**](https://app369.com/portfolio/)