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Law Firm Management Software – Google Sheets Apps Script

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Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp

Key Features

Lead intake with source matter type opposing party quoted fee and assigned lawyer Convert a lead into a client and open the case in a single action Send a WhatsApp message directly from a lead or client record Clients with type contact identity files portal access and notes Cases that auto-create a standard task checklist on creation Court and judge directory with city presiding judge courtroom and active case count Hearings with scheduling status changes reflected live on the dashboard Court diary with monthly and weekly views of hearings deadlines and tasks Printable cause list Documents stored in Google Drive with a share-with-client toggle Document templates that generate a PDF for a chosen case Tasks created automatically per case or added manually Deadline tracking with at-risk highlighting on the dashboard Time entries logged per case with rate billable flag and work description Per-case expense recording such as court fees Invoices pulling in unbilled work and expenses with discount and tax Payment recording against an invoice with partial payment support Retainer accounts with deposit apply refund and reversible transactions Client statement showing billed received outstanding retainer available and unbilled work Reports for invoiced collected outstanding and work in progress Client portal where clients see only their own cases and shared documents Role and permission matrix for admin lawyer assistant and client Automatic email reminders with a daily 6am trigger you install CSV import with templates for clients and cases Automatic logout after an hour of use as a security measure Activity log and About App page documenting roles and formulas

Description

A legal case management system covering the full life of a matter β€” enquiry, client, case, hearings, documents, billable time, invoice, payment β€” with a client portal and a permission matrix you control. It runs on Google Sheets and Apps Script, so the firm's data stays in the firm's own Google account.

What it does

An enquiry arrives in Leads & Intake with the matter type, opposing party, quoted fee and assigned lawyer. Convert it and the system creates the client and opens the case together, then generates a standard task checklist for that case type so nothing routine gets forgotten. Hearings are scheduled against a court from your own court and judge directory, and the court diary gives you monthly and weekly views of hearings, deadlines and tasks β€” plus a printable cause list.

Billing that reflects legal work

Time is logged per case with a rate, a billable flag and a work description; expenses such as court fees are recorded against the case too. When you raise an invoice, it pulls the unbilled work and expenses in for you. Payments post against the invoice and support partial settlement. Retainers are handled properly as their own account β€” deposit, apply, refund, and reverse a transaction if it was posted wrongly β€” and the client statement pulls it all together: total billed, total received, outstanding, retainer available and unbilled work in progress.

Highlights

  • Client portal where a client sees only their own cases and the documents you chose to share
  • Document templates that generate a PDF against a case and save it to Drive
  • Permission matrix across admin, lawyer, assistant and client β€” tick view, add, edit or delete per module
  • Automatic email reminders on a daily 6am trigger, only to the criteria you set
  • CSV import with templates for clients and cases, for firms migrating off another system
  • Automatic logout after an hour, which matters when the screen holds privileged material

Who it is for

Solo practitioners and small law firms managing litigation across multiple courts, who need the diary, the documents and the billing in one place rather than spread across a calendar, a Drive folder and a spreadsheet.

Requirements

  • A Google account (Gmail or Google Workspace)
  • Google Sheets as the database β€” no server or MySQL needed
  • Google Apps Script web app deployment access
  • Google Drive space for case documents and generated PDFs
  • Gmail quota for automated reminder emails
  • Authorisation of the Apps Script daily trigger for reminders
  • Modern browser (Chrome, Edge, Firefox or Safari)

What's Included

  • Full Apps Script source code inside a copyable Google Sheet
  • Leads, clients and cases modules
  • Court and judge directory with hearings and court diary
  • Document management with templates and PDF generation
  • Tasks and deadline tracking
  • Time entries, per-case expenses and invoicing
  • Payments, retainer accounts and client statements
  • Client portal
  • Editable role and permission matrix for four roles
  • Email reminder automation with installable trigger
  • CSV import templates for clients and cases
  • Full video walkthrough including install and deploy
  • Free support and paid customization on request

Item Details

Versionv1.0
PublishedJul 9, 2026
PlatformGoogle Apps Script
DatabaseGoogle Sheets
CategoryLegal
Tagslaw firm management softwarelaw firm management software google sheetslegal case management system google apps scriptlaw practice management softwarelaw office management softwarecourt case management systemlegal billing softwareclient portal for law firms
VideoWatch walkthrough
LicenseRegular License

Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp

Legal

What You Get

Code.gs FilesComplete Apps Script source code files
HTML FilesAll HTML template files included
Google SheetYour own copy with all data and scripts
Setup GuideStep-by-step video tutorials included
14 Days Setup SupportSetup help, install errors and questions on WhatsApp
File UpdatesNew versions appear in your portal under My Files
Regular License F16
Subtotal $2.60 USD
Total $2.60 USD
Other payment methods
Wise / Bank Transfer Β· via WhatsApp +92 343 534 7417 $5.20$2.60
RE
Redotpay
Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
Secure checkout
Amount due
$2.60$5.20
Total due
Redotpay Account
1002896884
Order details$2.60
Order summary
ItemComplete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
ReferenceF16
Payment MethodRedotpay
Total$2.60
How to pay
  1. Copy the Redotpay account
  2. Pay $2.60 via Redotpay
  3. Enter the transaction reference below
  4. Submit the details below to complete your order
Payments are confirmed within 2 business hours on Monday β€” we are closed on Sundays. You will receive an email once access is enabled.
Your payment proofReference + screenshot β€” takes a minute
Your receipt and download link will be sent to this address.
Country code is set from your location. Change it if needed and enter the number without the code.
Upload a screenshot of the paymentDrop it here or click to browse · JPG or PNG, up to 2 MB
Confirmed within 2 business hours on Monday β€” we are closed on Sundays
Encrypted connection
Confirmation in 2 business hours on Monday
Emailed receipt
BP
Binance Pay
Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
Secure checkout
Amount due
$2.60
Total due · no additional fees
Binance Pay ID
766412546
Account holder: Muahmmad Ramiz Imdad
Order details$2.60
Order summary
ItemComplete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
ReferenceF16
Payment MethodBinance Pay
Total$2.60
How to pay
  1. Open the Binance app and choose Pay
  2. Enter the Pay ID
  3. Send $2.60 in any supported asset
  4. Copy the Order ID from your Binance receipt
  5. Enter it below with a screenshot and submit
Payments are confirmed within 2 business hours on Monday β€” we are closed on Sundays. You will receive an email once access is enabled.
Your payment proofReference + screenshot β€” takes a minute
Your receipt and download link will be sent to this address.
Country code is set from your location. Change it if needed and enter the number without the code.
Upload a screenshot of the paymentDrop it here or click to browse · JPG or PNG, up to 2 MB
Confirmed within 2 business hours on Monday β€” we are closed on Sundays
Encrypted connection
Confirmation in 2 business hours on Monday
Emailed receipt
CR
Cryptocurrency
Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
Secure checkout
Amount due
$2.60
Send the equivalent amount in the selected asset
Select an asset
Wallet address
15jjKnm6NgxN1Wgbfh7xdBWgbCFztHeNhE
Send only the selected asset on the selected network. Transfers made on a different network cannot be recovered.
Order details$2.60
Order summary
ItemComplete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
ReferenceF16
Payment MethodCryptocurrency
Total$2.60
How to pay
  1. Select an asset above
  2. Copy the wallet address and send the equivalent of $2.60
  3. Enter the transaction hash below
  4. Submit the details below to complete your order
Payments are confirmed within 2 business hours on Monday β€” we are closed on Sundays. You will receive an email once access is enabled.
Your payment proofReference + screenshot β€” takes a minute
Your receipt and download link will be sent to this address.
Country code is set from your location. Change it if needed and enter the number without the code.
Upload a screenshot of the paymentDrop it here or click to browse · JPG or PNG, up to 2 MB
Confirmed within 2 business hours on Monday β€” we are closed on Sundays
Encrypted connection
Confirmation in 2 business hours on Monday
Emailed receipt
PA
PayPal
Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
Secure checkout
Amount due
$2.60
Total due
Pay $2.60 with PayPal
Opens PayPal in a new tab. Return here with your Transaction ID to complete the submission.
Order details$2.60
Order summary
ItemComplete Law Firm Management System: Google Sheets, Apps Script & WhatsApp
ReferenceF16
Payment MethodPayPal
Total$2.60
How to pay
  1. Select Pay $2.60 with PayPal; PayPal opens in a new tab
  2. Copy the Transaction ID from your PayPal receipt
  3. Enter it below with a screenshot of the payment, then submit
  4. Your payment is verified and access is enabled; the download link is also emailed to you
Payments are confirmed within 2 business hours on Monday β€” we are closed on Sundays. You will receive an email once access is enabled.
Your payment proofReference + screenshot β€” takes a minute
Your receipt and download link will be sent to this address.
Country code is set from your location. Change it if needed and enter the number without the code.
Upload a screenshot of the paymentDrop it here or click to browse · JPG or PNG, up to 2 MB
Confirmed within 2 business hours on Monday β€” we are closed on Sundays
Encrypted connection
Confirmation in 2 business hours on Monday
Emailed receipt

Need This Customized For Your Business?

Extra modules, your branding, integrations or reports built on top of this file. You get a clear quote and timeline before any work starts, and support after delivery.

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What We Customize

Features & Functions
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Custom branding, layout redesign, dark mode, mobile optimization
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$2.60
USD Β· card / manual pay

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Reviews & Feedback

What buyers and viewers say about Complete Law Firm Management System: Google Sheets, Apps Script & WhatsApp.

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@DurvishJawaleOfficial via YouTube
Wonderful Project Brother
1 like on YouTube
@Goggle-j2t via YouTube
How to build this? Is there any tutorial of yours to build this?
@NPCCDESIGNS via YouTube
Wonderful, design a construction management system
@eli-u7l1r via YouTube
this is cool for building custom internal tools, but for the actual research/drafting side I'd be careful relying on a generic model since it can still hallucinate citations. a friend at a small firm ended up using Irys One alongside stuff like this since it's built specifically for legal work with citation checking baked in, so the custom CRM/billing angle you're showing here could pair nicely with something like that for the actual legal work
@Kowayriya_Ma via YouTube
I want you to create a Car Rental Management System for car rental agencies. The system should support multiple user roles, including Administrator, Manager, and Employee, each with appropriate permissions. It should allow users to: * Add, edit, and manage vehicles. * Add, edit, and manage customers. * Manage vehicle documents (registration, insurance, inspection, etc.). * Track vehicle maintenance and service history. * Record expenses and operating costs. * Manage rentals, returns, and reservations. * Handle payments and invoices. * Monitor vehicle availability and status. * Generate reports and statistics. * Include any other essential features required for efficiently managing a car rental business.
@JeanTube7777 via YouTube
Simplemente magnΓ­fico.
@cabolove89 via YouTube
Bravo, we also want it in PHP and MySQL.
@jijuchandran276 via YouTube
Inspired πŸ₯°πŸ₯°πŸ₯°
@agusadiyanto_id via YouTube
Wow...its legal project awesome for case legal management system πŸ‘πŸ»
@irfanchauhan495 via YouTube
Very Nice... Data loading is really fast and Roles and Permission setting is also superbπŸŽ‰