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Industry SolutionsAccounting Software Development

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.

Small models of a house, a shopping bag, a coffee cup and a toolbox, with a phone in front
Fiverr
5.0 · 126 reviews
Own product
Workspace369
Fixed-price offers from
$450
GAAP/IFRS
compliance-ready architecture
FL
Based in Miami, Florida
Flutter
iOS, Android & web
50/50
Upfront & on delivery

What We Deliver

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

Our 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.

  1. Discovery

    We analyze your vision, goals, and competitive landscape to craft a solution roadmap. This phase typically runs 1-2 weeks and defines the full project scope.

  2. Design

    Intuitive UI/UX crafted with interactive prototypes. Prototypes let you test the flow with real users before any code is written.

  3. Development

    Expert engineering using Flutter, Vue.js, Node.js, and GCP in 2-week Agile sprints with weekly milestone demos for full transparency.

  4. Launch & Support

    Reliable deployment with crash and uptime monitoring and ongoing maintenance. Maintenance plans run during business hours, Monday to Friday.

Our 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.

Simon Dziak - Founder of App369

Your Development Partner

Simon Dziak

I build every accounting software development project myself, with Flutter and Firebase, and I personally ensure every project meets the highest standards.

Build Reliable Accounting Software That Scales