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I need a freelancer to build a database and accounting system. Key Requirements: - Store customer information - Invoice processing functionality - Integration with existing CRM system Ideal Skills and Experience: - Experience in database development - Proficiency in creating accounting systems - Familiarity with CRM integration Please provide examples of similar work done and your approach to this project.
Project ID: 40696442
224 proposals
Active 1 day ago
Location: Yorkshire, United Kingdom
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224 freelancers are bidding on average £14 GBP/hour for this job

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in API Integration, PHP, Website Design, MySQL, Database Development, HTML, CRM As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen
£10 GBP in 40 days
9.5
9.5

Hi there, We understand you're looking to develop a comprehensive database and accounting system that integrates with your existing CRM, handling customer information, invoice processing, and more. Our team at Webbook Studio has extensive experience in database development, accounting systems, and CRM integrations, with skills in PHP, MySQL, and API integration. We've completed similar projects, such as e-commerce and custom CRM/ERP systems, and a British online store with Shopify and ERP integration. We'll deliver a tailored database and accounting system meeting your specific needs. Can you tell us more about your current CRM system and what specific functionalities you envision for the invoice processing feature? Feel free to message us to discuss the details! — Webbook Studio
£15 GBP in 40 days
9.3
9.3

Hi, I can help you build this as a simple accounting system connected with your existing CRM, so customer information and invoice data can flow between both systems without duplicate entry. We’ve developed CRM, invoicing, database-driven business systems and MVPs, so we can keep the first version focused while leaving room to add more accounting features later. One important question before I suggest the exact approach: which CRM are you currently using, and does it provide API access? Also, do you need only customer/invoice management initially, or features like payments, taxes, expenses and financial reports as well? I’d suggest a secure web-based system with a relational database and API-based CRM integration. Happy to discuss the workflow and suggest the best approach. Best, SNR
£12 GBP in 40 days
9.2
9.2

Hi — Elias here from Miami. I understand you need more than a simple customer database. The system needs to connect customer records, invoicing, payment/accounting data, and your existing CRM so information stays synchronized instead of being entered twice. What usually matters most here is defining the financial workflow correctly from the start: customer → invoice → payment/status → accounting record → CRM update. I’d first review the current CRM and identify which system should be the source of truth for customers, invoices, and payment status. I’d build the database with clean relationships and audit-friendly records, then add invoice creation, numbering, taxes/discounts if needed, payment tracking, exports/reports, and secure role-based access. CRM integration would be handled through its API/webhooks so updates are reliable and duplicate records are avoided. I’ve worked with CRM-connected business systems, relational databases, invoicing/payment workflows, dashboards, APIs, and accounting-style data structures. A few questions to better understand the scope: Q1 – Which CRM are you currently using? Q2 – Do you need full accounting (ledger, expenses, reconciliation) or mainly invoicing/payment tracking? Q3 – Should invoices be emailed directly from the system and generated as PDFs? Looking forward to hearing from you.
£50 GBP in 40 days
8.9
8.9

Hello, With a rich experience of over a decade, I have successfully developed numerous database and accounting systems, some even including CRM integrations like the one you require. My proficiency lies in various programming languages such as PHP, Python (AI Automation), and SQL. This, in turn, allows me to design and implement robust and seamlessly functioning systems. To further showcase my skills, I've created similar projects for diverse clients i.e creating web-based ERP systems with full accounting modules that encompassed invoice processing functionalities. As a founder of A4Logic, delivering on-time with long-term support to ensure my client's satisfaction, is my utmost priority. With expertise in integrating different technologies and deploying them on the cloud, I can guarantee that your new system will not only store customer information efficiently but also make invoicing processes much smoother. Rest assured, choosing me for this project means opting for quality work, transparent communication, and reliability to ensure your goals are accomplished flawlessly Thanks!
£22 GBP in 35 days
8.6
8.6

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in PHP, Website Design, Accounting, CRM, MySQL, HTML, Database Development, API Integration and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
£22 GBP in 5 days
9.0
9.0

Hi, I can build the database and accounting system around the three core requirements: customer records, invoice processing, and reliable CRM integration. I’d structure the MySQL database so customer and invoice data is organised cleanly and easy to maintain. The accounting functionality can then be built around that structure, with the CRM connected through its available API so customer information can sync without creating duplicate records. I’d first review the existing CRM and clarify the required invoice workflow, then design the database and implement the system in manageable stages. I’d also test the CRM integration and invoice flow before handoff. I don’t want to invent examples of previous projects, but I can explain the proposed architecture and implementation approach in detail once I know which CRM you’re currently using. Best, Ivane
£13 GBP in 40 days
8.2
8.2

Hi, A clean accounting workflow usually fails at the handoff points, not the math itself , customer data, invoices, and CRM sync need to stay perfectly aligned. I’ve built database-driven business systems in PHP/MySQL with CRM integrations, invoice logic, and admin dashboards, and I can structure this so your accounting flow is reliable and easy to maintain. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you share which CRM you’re using, what invoice statuses or tax rules are needed, and whether you want role-based access for staff? Let’s align on the data model and integration points first, then I can map the quickest stable approach. Thanks, Asad
£10 GBP in 2 days
8.4
8.4

Hello, The key part of this project is not simply creating a database and invoice screen — it’s making sure customer data, invoices and the existing CRM stay properly connected without duplicate records or manual re-entry. Based on my understanding, you are looking to build a database and accounting system that stores customer information, handles invoice processing and integrates with your existing CRM. I’d first map the existing CRM and accounting workflow, define which system should be the source of truth for customer and financial data, then structure the database around customers, invoices, invoice items and payment/status information. The CRM integration would be built around reliable field mapping and unique record IDs so updates can be tracked without creating duplicates. I’d also include proper validation and error handling so failed syncs can be identified and corrected rather than silently losing data. I can share relevant database, accounting and CRM integration examples in chat. 1. Which CRM are you currently using, and does it provide an API? 2. Do you already have a preferred database/accounting technology, or should I recommend the most suitable stack? Some technical details are difficult to cover here due to Freelancer.com’s character limit. If you want the system designed around a reliable workflow rather than just connecting a few tables and screens, please open a chat and let’s discuss the existing CRM and accounting process.
£13 GBP in 40 days
8.1
8.1

Hi, I can develop a database and accounting system to manage customer information and invoice processing. I can also handle the integration between this system and your current CRM. With 7+ years of web development experience, I am prepared to build the structure you need. I would be happy to discuss my approach and review examples of similar projects. Regards, Ajhar
£13 GBP in 40 days
7.8
7.8

The important part here is making the database, invoicing, and CRM integration work as one system rather than three disconnected parts. If the customer schema and invoice logic are not designed carefully at the beginning, duplicate records and reporting issues usually show up later, so I’d begin with the data model and workflow mapping first. I’ve handled CRM-connected systems and admin platforms where structured records, billing actions, and external sync needed to stay reliable over time. For this kind of build, I focus on clean database design, practical accounting flows, and integration points that are easy to extend later. A few details will help define the build correctly: - What CRM are you currently using? - Should invoices support taxes, partial payments, overdue status, or downloadable PDFs? - Do you need user roles for staff/admin access as part of the system?
£11 GBP in 40 days
8.1
8.1

Hello, I am very interested in developing your database and accounting system. I bring over 12 years of software development experience and more than 8 years leading complex IT projects, with particularly strong experience in finance and banking solutions. I have developed and managed financial applications involving customer data, transactions, invoicing, reporting, workflows and integrations. I have also worked extensively with SQL Server, REST APIs and business-critical systems where data accuracy, security and reliability are essential. For your project, I can design a robust database structure, implement the accounting and invoice workflows, and integrate the solution with your existing CRM through APIs. I can handle the project end-to-end and start immediately. I would be happy to discuss your requirements and propose the most suitable technical approach. PS: The time and cost estimate in this proposal is just a placeholder. I need further details for an accurate assessment.. Best regards, Shuja Ahmed
£12 GBP in 40 days
8.3
8.3

⭐⭐⭐⭐⭐ Build a Database and Accounting System for Your Business ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for a freelancer to build a database and accounting system. You have no need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects for database and accounting systems. I will create a robust system to store customer information, process invoices, and integrate with your existing CRM. ➡️ Why Me? I can easily build your database and accounting system as I have 5 years of experience in database development and accounting systems. My expertise includes CRM integration, data management, and user-friendly design. Not only this, I have a strong grip on various technologies that will ensure your project is efficient and effective. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Database Development ✅ Accounting System Design ✅ CRM Integration ✅ Data Management ✅ Invoice Processing ✅ User Interface Design ✅ SQL Proficiency ✅ Data Security ✅ System Optimization ✅ Reporting Tools ✅ API Integration ✅ Project Management Waiting for your response! Best Regards, Zohaib
£11 GBP in 40 days
7.8
7.8

Hi, I’m Christina, a developer with experience building database-driven business systems, including customer management, invoicing, accounting workflows, and CRM integrations. I understand you need more than a basic database—you need a reliable system where customer data, invoices, and accounting records stay accurate and synchronized with your existing CRM. I’ve worked on similar business management solutions and would approach this by first mapping your current CRM/data flow, then designing a secure database structure, building the invoice/accounting modules, and integrating everything through the appropriate CRM APIs. I’ll also focus on validation, permissions, backups, and clean reporting so the system is dependable and easy to maintain. I’d be happy to discuss your existing CRM and show relevant examples of similar work. THANKS CHRISTINA
£13 GBP in 40 days
7.7
7.7

Hi, I went through your project details and understand what you're looking to achieve. I'd be interested in working with you on this. Based on the requirements you've shared, I can handle the project from start to completion while keeping the work aligned with your expectations, timeline, and desired outcome. My approach is straightforward: first, I'll make sure the requirements and expected deliverables are clear. Then I'll complete the work in structured stages, share progress along the way, incorporate your feedback, and deliver the final work after everything has been reviewed. Before we begin, I have a couple of questions about your requirements that will help me understand the scope more accurately. Feel free to message me so we can discuss the details and determine the best way to move forward. Best regards, Anum
£13 GBP in 40 days
7.1
7.1

Hello, I can help structure a reliable database and accounting system covering customer records, invoice processing, and synchronization with your existing CRM. My approach would begin with mapping your customer, invoice, payment, and CRM data flows, then designing a secure schema and implementing clear workflows with validation and auditability. A useful improvement would be automated invoice status updates and reconciliation notifications to reduce manual follow-up. I can also provide a documented integration approach and examples aligned with the system’s required scope. Regards, A dedicated project specialist
£18 GBP in 34 days
7.2
7.2

Hello, I am very interested in your project for Database and Accounting System Development. I understand the requirements of storing customer information, invoice processing, and integrating with the existing CRM system. With expertise in Website Design, MySQL, PHP, API Integration, CRM, and Database Development, I am well-equipped to handle this project efficiently. I have successfully developed similar systems in the past and my approach would involve creating a user-friendly interface for data entry, implementing secure database management, and ensuring seamless integration with the CRM system. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I would love to discuss this project further and explore how I can contribute to its success. Best regards, Warda Haider
£13 GBP in 40 days
6.8
6.8

Hello, I see you're looking to build a database and accounting system to store customer info. A hidden challenge is ensuring data integrity while managing financial transactions accurately. Smart Sols excels with Laravel and Native PHP, giving us strong backend control for secure and reliable systems. How complex are the accounting workflows you want to support? Let's connect to get this started.
£13 GBP in 7 days
6.9
6.9

Hi there, I recognize the need for a well-structured database and accounting system that can efficiently manage customer information and streamline invoice processing. I suggest implementing a solution that integrates seamlessly with your existing CRM to enhance functionality without disrupting current workflows. Given my experience with database development and integrating accounting systems, I am confident in delivering a high-quality product that meets your expectations. I can start immediately to ensure timely completion. Your satisfaction is my priority and I guarantee that I will deliver you a high-quality result. Regards, Ali
£10 GBP in 1 day
6.6
6.6

Hi there, Are you concerned about seamlessly integrating your new database and accounting system with your existing CRM? This can be a daunting task, but with my extensive experience in database development, accounting systems, and CRM integrations, I'll ensure a smooth implementation that enhances efficiency and accuracy. Here are my questions: Will the database need to accommodate any specific data formats? Are there particular CRM platforms you're already using or considering? Let's discuss your project now!
£15 GBP in 40 days
6.5
6.5

Rotherham, United Kingdom
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