OS INFOTECH – Your Trusted Tally Business Partner
From startups to established enterprises, we deliver reliable TallyPrime solutions tailored to your business needs. Get genuine licenses, expert guidance, fast implementation, and ongoing support—all from one trusted partner.


Grow Your Business with
India's Leading Accounting Software






Run TallyPrime securely from any location using cloud hosting.
Work remotely while keeping your business data synchronized and accessible
Get started quickly with an intuitive interface designed for businesses of all sizes.Spend less time learning and more time managing your business efficiently.
Trusted by Millions – One of the most widely used business management and accounting solutions in India


Generate GST-compliant invoices and e-Invoices with ease.Stay compliant with the latest tax regulations while reducing manual work


Track stock levels, warehouses, batches, and item movements in real time.
Maintain accurate inventory and avoid stock shortages or overstocking.


Customizable & Suitable for startups, SMEs, and growing enterprises with customization options.
Why Choose TallyPrime?
Why Choose OS INFOTECH?
Our Office
OS INFOTECH
Fortune Arcade NO 6 Shop No E Mounaswamy Madam Street,Venkatapuram Ambattur, Chennai, Tamil Nadu 600053.
OS INFOTECH OFFICE HOURS:
Monday: 9:00 AM – 6:00 PM
Tuesday: 9:00 AM – 6:00 PM
Wednesday: 9:00 AM – 6:00 PM
Thursday: 9:00 AM – 6:00 PM
Friday: 9:00 AM – 6:00 PM
Saturday: 10:00 AM – 6:00 PM
Sunday: Closed