| | Firstbooks | TASBooks Two | TASBooks Three |
| Customers / sales ledger |
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| Sales order processing | | |
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| Quotations / pro-formas / invoicing |
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| Multiple customer delivery addresses | |
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| Aged debt manager | |
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| Sales person sales analysis | |
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| Facility to charge interest on overdue accounts | |
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| Recurring sales invoicing | |
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| Suppliers / purchase ledger |
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| Purchase order processing | | |
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| Purchase orders and goods received notes | | |
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| Automated supplier price updating | | |
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| Products can be setup as physical stock items or services |
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| Assemblies / kits | |
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| Full stock control | | |
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| Nominal ledger / analysis codes |
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| Nominal ledger report writer | |
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| Print VAT 100 report |
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| EC VAT | |
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| Job analysis codes | |
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| Cash book |
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| Bank reconciliation |
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| Marketing campaign analysis and response tracking | |
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| Drill-down, analysis & reporting |
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| Allows you to undo whatever you do |
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| Full audit trails keep track of all changes made and by whom |
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| Email reports | |
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| Single-company / multi-company |
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| Single-user / multi-user | | Multi-user at additional cost | Multi-user at additional cost |
| Email customer documents (quotations, invoices, statements etc.) | |
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| Email supplier purchase orders | | |
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| Intrastat support | | |
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| ePayments (payment of suppliers using ePayments) | |
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| Process transactions using batch processing | |
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| Multi-company consolidation | |
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| Improved look & feel (especially for Windows XP users) |
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| Improved usability | |
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| TASBooks Today - company dashboard | |
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| VAT audit reporting |
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| Project costing (basic) | |
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| Smart fields |
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| Multiple printer support | |
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| Improved security | |
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