Develop a Cloud-Based SaaS Accounting Platform Similar to FastAccounts.io

Project Description: I am looking for an experienced full-stack developer or development team to build a complete cloud-based accounting SaaS platform with functionality comparable to FastAccounts.io. The platform must be developed from scratch using original source code. FastAccounts.io will be used only as a functional reference. The selected developer must not copy any proprietary source code, copyrighted content, branding, logos, or protected design assets. The final system will operate under my own business name, logo, domain, branding, and pricing plans. Core Requirements: 1. SaaS and Multi-Tenant System * Multiple companies/businesses can register and maintain separate accounts * Secure separation of each company’s data * Super Admin dashboard for managing users, companies, packages, subscriptions, and platform settings * Different subscription packages with feature and usage limits * Trial, activation, renewal, suspension, and expiry management * Monthly and annual billing support * Ability to integrate local and international payment gateways 2. Accounting Features * Chart of Accounts * Customers and Suppliers * Sales quotations and invoices * Purchase orders and purchase bills * Receipts and payments * Credit notes and debit notes * Cash and bank accounts * Expense and income management * Journal vouchers and general ledger * Accounts receivable and payable * Trial balance * Profit and Loss statement * Balance sheet * Cash-flow reports * Tax and discount configuration * Financial year and opening balances * Multiple branches and warehouses * Multiple currencies * Recurring invoices * PDF printing, downloading, and emailing of invoices and reports 3. Inventory Features * Products, services, and categories * Stock purchases and sales * Stock adjustments and transfers * Warehouse-wise inventory * Low-stock notifications * Inventory valuation * Product and stock reports * Barcode/SKU support 4. User Management * Multiple users within each company * Custom roles and permissions * User activity and audit logs * Secure login and password recovery * Optional two-factor authentication 5. Dashboard and Reports * Professional dashboard with business statistics * Sales, purchases, expenses, profit, and cash summaries * Filters by company, branch, date, customer, supplier, and product * Reports exportable to PDF, Excel, and CSV * Print-friendly invoices and reports 6. Customization and Branding * My company name, logo, colors, and domain * Custom invoice and report templates * Responsive interface for desktop, tablet, and mobile * Original and modern UI/UX * English-language interface initially, with architecture supporting additional languages and RTL layout in the future 7. Technical Requirements * Modern, secure, and scalable technology stack * Clean, documented, and maintainable source code * Secure database architecture and APIs * Cloud deployment with SSL certificate * Automated backups and restore procedure * Error logging and monitoring * Protection against common security vulnerabilities * Separate development/staging and production environments * Architecture suitable for future mobile applications and third-party integrations 8. Deliverables * Complete frontend and backend source code * Database schema and migration files * Full ownership and intellectual-property rights to the custom-developed code * Working production deployment on my cloud server * Domain and SSL configuration * Super Admin and customer dashboards * API and technical documentation * Installation and deployment documentation * User manual * Test accounts and sample data * Complete testing and bug fixing * Source code repository transferred to my account * A defined period of post-launch technical support Important Conditions: * The developer must first study FastAccounts.io and provide a detailed feature analysis and development roadmap. * The system should offer comparable accounting workflows and capabilities, but its code, interface, content, and branding must be original. * No pirated scripts, unlicensed themes, nulled plugins, or unauthorized third-party code may be used. * Any open-source or commercial components must be disclosed along with their licenses and recurring costs. * Source code must be delivered to my repository throughout the project, not only after final payment. * Deployment is part of the project and must be included in the quoted price. * The application must be ready for commercial use as a Software-as-a-Service product. * Payment will be released through agreed milestones after demonstration and acceptance of each module. Suggested Milestones: 1.

Requirements

analysis, feature specification, wireframes, and system architecture 2. SaaS foundation, authentication, company management, and Super Admin 3. Core accounting modules 4. Inventory, invoicing, and reporting modules 5. Subscription plans and payment-gateway integration 6. Security testing, performance testing, and user-acceptance testing 7. Production deployment, documentation, source-code handover, and training 8. Final bug-fixing and post-launch support When Applying, Please Provide: * Examples of accounting, ERP, or SaaS platforms you have previously developed * Your recommended technology stack and the reason for your choice * Estimated completion time * Fixed-price quotation with a milestone breakdown * Team size and relevant experience * Details of post-launch support * Confirmation that complete source code and intellectual-property rights will be transferred * Confirmation that you can deploy the platform on a cloud server * Details of all third-party services and their expected recurring costs Please begin your proposal with the words “ACCOUNTING SAAS” so I know you have read the complete requirements. Budget: Please provide a realistic fixed-price quotation. Timeline: Please propose a practical timeline based on the complete scope. Only experienced developers or teams with relevant accounting, ERP, fintech, or multi-tenan