What is LedgerSync for Accounting CS?

What is LedgerSync for Accounting CS?

Overview

LedgerSync for Accounting CS is a specialized web application designed specifically for accounting firms using Thomson Reuters Accounting CS. It automates the process of categorizing and exporting bank transactions from LedgerSync directly into the format required by Accounting CS's Spreadsheet Import Wizard.

What It Does

The application pulls transaction data from your LedgerSync account, automatically categorizes transactions using a combination of rule-based matching, AI (GPT-4.1), and semantic analysis, then exports the data in an 11-column CSV format that can be imported directly into Accounting CS client files.

Who It's For

This tool is built for:

  • Accounting firms using Thomson Reuters Accounting CS as their primary accounting software
  • Bookkeepers and accountants who manage multiple client accounts
  • Tax professionals who need efficient transaction categorization and reconciliation
  • Firms already using LedgerSync for bank statement aggregation who want tighter Accounting CS integration

How It Works

Step 1: Data Collection
The application connects to your LedgerSync account and accesses bank transactions for your clients.

Step 2: Intelligent Matching
Transactions are automatically categorized using three methods:

  • Rule-Based Matching: Pattern matching based on transaction descriptions (fastest, most accurate for known vendors)
  • AI Matching (GPT-4.1): Artificial intelligence classification for unfamiliar or complex transactions
  • Semantic Matching: Vector similarity search to catch abbreviations and variations

Step 3: Review & Correction
You review the matched transactions, make any necessary corrections, and the system learns from your changes by creating new rules automatically.

Step 4: Export
Export transactions in Accounting CS's required 11-column CSV format, ready to import via the Spreadsheet Import Wizard.

Key Features

  • Multi-Engine Matching: Rule/AI/Semantic matching achieves 70-85% automation
  • FIRMADMIN Integration: Import existing client and vendor lists from Accounting CS
  • Firm-Wide Rules: Create vendor and GL code rules that apply across all clients
  • Client-Specific Rules: Override firm-wide rules for unique situations
  • Automatic Rule Creation: System learns from corrections and creates rules automatically
  • Export History: All exports saved for 90 days with re-download capability
  • Bulk Processing: Handle multiple transactions and clients efficiently

How It Differs from Standard LedgerSync

While standard LedgerSync provides bank statement aggregation and QuickBooks Online integration, LedgerSync for Accounting CS is purpose-built for Accounting CS users with:

  • Direct export to Accounting CS format (11-column CSV)
  • FIRMADMIN client/vendor import capability
  • GL code rules tailored to typical Accounting CS chart of accounts
  • Vendor code matching specific to Accounting CS workflows
  • Optimized interface for Accounting CS reconciliation processes

System Requirements

Required:

  • Active LedgerSync subscription with client bank data
  • Thomson Reuters Accounting CS (any recent version)
  • Web browser (Chrome, Edge, Firefox, or Safari - latest versions)
  • Internet connection

Recommended:

  • Dual monitors for efficient review workflow
  • Familiarity with Accounting CS Spreadsheet Import Wizard
  • Access to Accounting CS FIRMADMIN (optional, for bulk import)

Access

Web Application URL: acs.ledgersync.com/acs

Credentials: Provided by your firm administrator or LedgerSync support team

Getting Started

To begin using LedgerSync for Accounting CS:

  1. Log into the web application
  2. Connect your LedgerSync account (Settings > LedgerSync Integration)
  3. Optionally import clients and vendors from FIRMADMIN
  4. Select a client, account, and date range
  5. Review and export transactions
  6. Import the CSV file into Accounting CS

For detailed step-by-step instructions, see Article 78: How to Get Started with LedgerSync for Accounting CS

Related Articles

  • Article 77: Benefits of Using LedgerSync for Accounting CS
  • Article 78: How to Get Started with LedgerSync for Accounting CS
  • Article 79: How to Connect LedgerSync Data to Accounting CS App
  • Article 81: Understanding the Review & Export Workflow
  • Article 82: How to Import LedgerSync CSV Files into Accounting CS

Need Help?

If you have questions about LedgerSync for Accounting CS:

  • Email: support@ledgersync.com
  • Knowledge Base: Visit our help center for more articles
  • User Guide: Complete reference guide available at acs.ledgersync.com/acs

Updated: March 19, 2026

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