Convert Legacy Accounting Software to a Web Application

Converting legacy accounting software to the web means taking the same single-user desktop system that has run for years on one company computer and rewriting it as a multi-user web application that your accounting, management and branch teams can reach at the same time, from any location, without losing a single financial record. At Barsavosh Fanavaran (P-Soft) we handle this as an engineered project: first we extract your existing data and accounting logic, then we build a modern, secure and scalable version (supporting more than 50 concurrent users) that can also integrate with your inventory software and ERP.

Why does old desktop accounting software no longer keep up?

Legacy accounting programs are usually locked to one operating system and one specific machine, and that alone can paralyse a growing business. These are the exact problems almost every customer comes to us with:

  • Single-user only: only one person can post an entry at a time; a second accountant has to wait, or work with separate files that end up disagreeing with each other at month-end.
  • No remote access: a finance manager on a trip, or a second company branch, has no way to view the live balance sheet; everything is tied to that one computer.
  • High backup risk: manual backups on a flash drive or hard disk mean a single virus, theft or disk failure can wipe out years of financial data, invoices and the general ledger.
  • No integration: accounting is separate from inventory, sales and payroll, so data has to be entered by hand and reworked in several places.
  • End of support: the original vendor has disappeared or no longer ships updates, so as tax rules and the taxpayer system change, the old software falls behind.

What exactly does moving to the web solve?

When your accounting becomes web-based and multi-user, these limitations disappear one by one. Several users can post entries and pull reports at the same time; access from a phone or laptop browser becomes possible in every branch and every city; automated, encrypted backups run on the server, so you are no longer dependent on a flash drive. Most importantly, accounting connects to inventory, sales and other departments so data is entered once and available everywhere. For businesses that think in terms of a single integrated destination, the rewritten version can be linked to the financial and Data ERP and accounting software, and if you also run a warehouse, bridged to the Avadar inventory management software.

The step-by-step process for modernising your accounting software

  1. Audit and data extraction: we access the database of your old software (Access, SQL, proprietary files or even Excel exports) and map out the structure of accounts, documents and balances.
  2. Business-logic analysis: we document your accounting rules, access levels and custom reports so that no capability is lost in the new version.
  3. Web architecture design: we design a secure, multi-user architecture with role-based access control that scales to more than 50 concurrent users.
  4. Rewrite and development: we build the web/mobile version with up-to-date technology, including a Persian user interface, the Solar Hijri calendar and standard financial reports.
  5. Data migration and validation: the entire financial history is transferred and balances are reconciled against the old system so the figures match exactly.
  6. Parallel run and handover: for a period both systems run side by side, your team is trained, and only after full confidence do we make the final switch.

Old desktop accounting software vs. the web-based version

Feature Old desktop accounting Multi-user web accounting
Concurrent users Usually a single user More than 50 concurrent users
Access One computer only Browser, from any place and any device
Backups Manual and risky Automated, encrypted, on the server
Integration with inventory and ERP None, or manual Direct, real-time connection
Tax-rule updates Discontinued Can be updated and extended
Data security Dependent on one disk Access levels and full audit log

How much does the conversion cost and how long does it take?

Unlike buying an off-the-shelf product, modernisation is a custom project, and its cost depends on the volume of data, the number of custom reports and the degree of integration required. A typical multi-user web accounting project often takes between 6 and 12 weeks; simpler versions are faster, while complex financial systems with several branches take longer. We always start with a clear audit and estimate so that, before any commitment, you know the exact scope of work and the cost.

Frequently asked questions

Will all of my old accounting data be migrated?

Yes. Every document, account, balance and invoice history is transferred and then reconciled against the previous system so that the figures in the new version match the old one exactly. If the database is locked or encrypted, we use alternative exports and extraction methods.

Will our accounting work stop during the conversion?

No. Your old system stays live until the final handover, and for a period both systems run in parallel; the final switch happens only after your team is completely confident.

How many people can work with the web version at the same time?

Our architecture is designed for more than 50 concurrent users, and it can scale further as your company grows; each user also has their own defined access level.

Will the new version stay compatible with the taxpayer system and tax laws?

Yes. Because the software is rewritten as a custom build with up-to-date technology, it can connect to tax systems and be updated in line with changing regulations, unlike old software whose support has ended.

Can I connect the accounting to inventory and ERP?

Yes. The rewritten version can be linked to Avadar inventory software and to the integrated Data financial and ERP platform, so data is entered once and updated in real time across every department.

Start modernising your accounting today

If old accounting software is slowing your business down, let us run a free audit and tell you the exact scope and cost of converting it to the web. For a consultation and to start your project, see the main software rescue and modernisation service page and get in touch with the Barsavosh Fanavaran (P-Soft) team through the software modernisation contact form.

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