Custom accounting software development

Custom accounting software that fits your books, not a template

Bespoke accounting and invoicing built to match how QuickBooks, Xero and FreshBooks work — adapted to your business rules, your reports, and your integrations. Plan, build, deploy live, own the code.

Matches what you know from QuickBooks, Xero, FreshBooks, Zoho Books — built to fit you.

Step 1

Plan

We scope the modules, model your rules, and you get a fixed quote and timeline in 24 hours.

Step 2

Build with AI

AI-assisted engineering ships production code fast — the same senior hands plan and build it.

Step 3

Deploy & go live

QA, performance and security, then deployed to your own hosting and taken live.

Step 4

Full code ownership

You get the entire source code and repository. No licence, no per-seat fee, no lock-in.

Why off-the-shelf stops working

Off-the-shelf accounting that can't model your pricing or tax rules
Paying monthly forever for features you'll never use
Manual exports between your tools because nothing integrates

What we'll build

Every module you need — and only the ones you do

Invoicing & billing

  • Branded invoices & estimates
  • Recurring billing & subscriptions
  • Online payments (Stripe, PayPal)
  • Multi-currency & tax rules
  • Partial payments & credit notes
  • Automated payment reminders

General ledger & bookkeeping

  • Chart of accounts
  • Double-entry journals
  • Bank feeds & reconciliation
  • Accounts payable / receivable
  • Expense & bill management
  • Audit trail

Tax & compliance

  • VAT / GST / sales-tax engine
  • Tax reports & filing exports
  • Multi-jurisdiction support
  • 1099 / contractor tracking
  • Year-end close
  • Document attachments per entry

Financial reporting

  • P&L, balance sheet, cash flow
  • Custom report builder
  • Budgets vs actuals
  • Aged receivables / payables
  • Dashboards & KPIs
  • Scheduled email reports

Banking & payments

  • Bank & card feed import
  • Auto-categorisation rules
  • Reconciliation matching
  • Payment runs
  • Cash-flow forecasting
  • Multi-account support

Integrations

  • Stripe / PayPal / Wise
  • Payroll & HR sync
  • E-commerce (Shopify, WooCommerce)
  • CRM & inventory links
  • Accountant access & export
  • API & webhooks

Benchmarked to the tools you already trust

Your build matches the capability of the market standards — then goes further where they can't fit your business.

QuickBooksXeroFreshBooksZoho BooksWaveSage

Your exact rules

Pricing, tax and approval logic modelled to your business.

One-time cost

Stop renting your books — own the software.

Everything connected

Banking, payments, CRM and inventory in one ledger.

Questions CEOs ask

Can custom accounting software match QuickBooks or Xero?

Yes — invoicing, ledgers, bank reconciliation, tax and financial reporting can all be built to match (or exceed) QuickBooks and Xero, then tailored to rules they can't handle and integrated with your existing stack.

Is it safe to handle financial data?

The build follows secure practices — encrypted data, role-based access, full audit trails and your own hosting. You control the data; nothing leaves to a third-party SaaS.

Can it do tax for my country?

Yes. The tax engine is configured to your jurisdiction — VAT, GST or sales tax — with the reports and export formats your accountant or filing portal needs.

What about my accountant?

They get scoped access and standard export formats, so your existing accountant or auditor can work with the data exactly as they do today.

Let's scope your accounting software

A 30-minute call, a fixed quote and timeline in 24 hours, and a build you own outright.

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