Gain Clarity and Accuracy with an Integrated Accounting Solution
An Open Source Solution Designed by OSI Gives You a Single Version of the Truth Across Your Entire Enterprise

OSI provides a unique combination of business process consulting and turnkey implementation that will enable you to create a single, complete, and accurate financial picture of your entire operation. Integrate your accounting systems into an interconnected hub that helps you:

  • Increase the quality of financials, reports and legal filings
  • Improve the accuracy of your profit and loss analysis
  • Generate real-time accounting valuations
  • Provide trusted financial modeling, analysis, and projections
  • Connects cost and revenue processes across units

An Accounting Solution Customized to Your Organization

OSI helps you to design customized accounting solutions using a suite of Odoo modules to support any business need. Our open source consultants work directly with you to analyze current systems and processes, then design and implement a comprehensive solution that improves accounting with greater clarity and understanding.

Odoo Open Source Software Gives You Unmatched Flexibility

In addition to being fully customizable to your organization, Odoo open source accounting software:

  • Gives you the flexibility to implement new modules as your business grows
  • Integrates with third-party software, including payment processors and statement reconciliation tools
  • Supports multiple currencies, companies, and journals
  • Allows you to easily control access rights for multiple user groups
  • Ensures effectively monitoring of current and projected financial positions
  • Benefits from the collective expertise of the worldwide open source development community

Unleash the Power of Your Financial Data with OSI

From business intelligence reports and reconciliations to legal statements such as P&Ls, tax audit reports, and cash flow statements, Odoo accounting software lets you easily navigate your financial information. You can consolidate, view, and generate reports quickly and accurately in the way that best suits your organization’s needs. Collaborate with OSI open source staff to create a customized solution that leverages modules for:

  • Accounts receivable
  • Accounts payable
  • Payments
  • Banking
  • Reconciliation
  • Performance reports
  • Legal statements
  • Analytic accounting
  • Asset and revenue management

Get in touch with an OSI consultant to discover how open source solutions can transform your accounting needs.

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Get to Know Us

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Financial Accounting with Odoo.
We literally wrote a book about it.

Enhance your Odoo experience with our exclusive open source modules and resources.

Results-Driven Process

Our team provides you with scientifically researched and fact-based open source ERP solutions needed to improve and maintain your system. We approach each project as the unique endeavor it is, following a proven four-step method for success:


Determine your situation, goals, timeline, cost, and the best way to build a prototype that best fits your needs.


Advance and simplify future phases of work by optimizing the more critical parts of your business systems.


Streamline the experience to encourage optimal choices, while giving the flexibility to react to special cases.


Coach, train, and support your team members as they become accustomed to using the new operating systems.

Learn about our process and what to expect.

Open Source ERP Webinars

Educational insights driving profitability, throughput and efficiency

Field Service Management:
Company Culture:
Scalable Capacity Planning for Discrete Manufacturing [Webinar]
Currency Challenges:
Enterprise Integration:
Inventory Management:
Direct to Consumer:
Problem Solved:
DDMRP Sales & Operations Planning with Odoo
DDMRP for Procurement Using Odoo Dashboard
Managing Purchase Order Priority with Odoo DDMRP
DDMRP for Production with Odoo Software