International Taxation for Indian SaaS Companies: Withholding Tax, PE, DTAA & GST Risks

You built your product in Bengaluru or Gurgaon. Your first customer was in the US, your servers sit in Frankfurt, your payment gateway is in Ireland and half your tools are billed from California. Welcome to running a SaaS company from India.

The business might feel borderless, but tax isn't. Every one of those connections raises a question. Do you have to deduct tax when you pay AWS? Will your US customer withhold tax on your invoice? Does your salesperson in London create a taxable presence there? Is your export really zero-rated under GST?

Most founders only start asking these questions when a notice arrives or an investor's due diligence team raises a red flag. By then, fixing it costs a lot more.

In this blog, our CA in Gurgaon team walks you through the four big international tax areas every Indian SaaS company should understand, in plain English.

A quick note: from 1 April 2026, the Income-tax Act, 2025 replaces the 1961 Act. Many section and form numbers have changed, so we mention both where it helps.

1. Paying Foreign Vendors: Withholding Tax on the Way Out

Think about your monthly bills. Cloud hosting, CRM, design tools, ad platforms, payment processors, maybe a freelance developer in Eastern Europe. When an Indian company pays a non-resident, the first question is whether tax must be deducted before the money leaves India.

Under the old Act, this was Section 195. For payments made on or after 1 April 2026, it sits under Section 393(2) of the new Act. The rule itself hasn't changed: if the payment is taxable in India in the hands of the foreign vendor, you need to deduct tax.

So is a SaaS subscription taxable in India? Often, no. In 2021, the Supreme Court held in Engineering Analysis that payments for software licences, where you only get the right to use the software and not the copyright itself, are not royalty under India's tax treaties. Most SaaS and cloud subscriptions are treated as the vendor's business income. If the vendor has no permanent establishment in India, that income usually isn't taxable here.

But "usually" is doing a lot of work in that sentence. A few things can change the answer:

• If the payment is really for technical or consultancy services, it may be fees for technical services. Some treaties, like the India-US treaty, only tax these if the service "makes available" technical knowledge to you.
• If you're paying for data, content or a customised solution, the character of the payment can shift.
• You need the vendor's tax residency certificate, Form 10F and usually a no-PE declaration to claim treaty benefits.

Getting this wrong has two costs. You can be treated as an "assessee in default" for the tax you didn't deduct, with interest. And the expense itself can be disallowed in your own tax computation.

The paperwork has changed too. Forms 15CA and 15CB, filed before a foreign remittance, are now Forms 145 and 146 from tax year 2026-27.

One bit of good news. The 6% equalisation levy on online advertising (think Google and Meta ads) was abolished from 1 April 2025, and the 2% levy on e-commerce operators went in August 2024. So that's one less thing to track on your ad spend.

Read More: Withholding Tax in India on Cross-Border Payments

2. Selling to Foreign Customers: When Tax Is Deducted From Your Invoice

Now flip it around. You invoice a customer in another country, and they pay you 10% or 15% less than the invoice. Their tax authority treats your subscription fee as royalty or technical fees, so they withhold tax at source.

This happens more often than founders expect, especially with customers in some Asian, Middle Eastern and African countries. Each country reads software payments its own way, and the India treaty with that country decides the maximum rate they can withhold.

What can you do?

• Check the treaty before you sign. Know whether your fee could be treated as royalty or FTS in that country, and at what rate.
• Share your tax residency certificate with the customer upfront, so they apply the lower treaty rate instead of their domestic rate.
• Claim a foreign tax credit in India. Tax withheld abroad can usually be set off against your Indian tax on the same income. Under the old rules this needed Form 67 to be filed on time, and missing it has cost many companies their credit. Check the current form and due date under the new Act.
• Price it in. For markets where withholding is common, some SaaS companies gross up their pricing or add a tax clause to their contracts.

The catch is that a foreign tax credit only helps if you have enough Indian tax to set it off against. Early-stage companies running at a loss often can't use it at all, so the withholding becomes a pure cost.

3. Permanent Establishment: The Risk You Don't See Coming

A permanent establishment (PE) is a taxable presence in another country. If you have one, that country can tax the profits linked to it, and you'll have filings and compliance there too.

For a SaaS company, PE risk usually sneaks in through people, not offices:

• Sales staff abroad. A country manager or salesperson who regularly negotiates and closes deals for you can create a dependent agent PE, even without an office.
• Employees working remotely overseas. A founder or engineer who moves abroad and keeps working for the Indian company can raise PE questions, especially if they're senior.
• Servers. In some situations, a server you own or lease, and which is at your disposal in another country, can be treated as a fixed place of business. Using a third-party cloud provider usually doesn't create this risk, but owning hardware abroad can.

It works the other way too. India has a "significant economic presence" rule that can make foreign companies taxable here based on their revenue from Indian users or their user base, even without a physical presence. Treaty protection usually overrides this, but it's worth knowing if you're structuring a foreign parent.

And don't forget indirect taxes abroad. US states, the EU and the UK can make you register for sales tax or VAT on digital services once you cross their thresholds, regardless of where your company sits.

Also Read: How Foreign Companies Are Taxed in India

4. GST: Exports, Imports and the Fine Print

Your exports. Selling SaaS to customers outside India can be a zero-rated export of services, meaning no GST on the invoice while you still claim input tax credit. To qualify, all five conditions in Section 2(6) of the IGST Act must be met. You must be in India, your customer must be outside India, and the place of supply must be outside India. You must receive payment in convertible foreign exchange (or in rupees where RBI permits). And the two of you can't just be branches of the same company.

Most SaaS companies export under a Letter of Undertaking (LUT), filed every financial year, and then claim a refund of unused input credit. Keep your foreign inward remittance proof for every export invoice. Without it, the department can deny export status and ask for 18% GST.

On that last condition, there's good news on the way. The 57th GST Council has recommended removing the "distinct establishment" rule, so services from an Indian company to its own foreign branch could also count as exports once the law is amended.

Your imports. When you buy foreign SaaS tools for your business, you usually pay GST yourself under reverse charge at 18%, and then claim it back as input credit. Many companies forget the reverse charge part entirely, which shows up later as a mismatch.

Foreign SaaS selling into India. If you're a foreign SaaS company selling to Indian consumers or unregistered businesses, these are online information and database access or retrieval (OIDAR) services. You must register in India and charge GST yourself.

Read More: Refund of GST on Export of Services

Don't Forget Transfer Pricing

Many Indian SaaS companies eventually set up a US parent, often called a "Delaware flip", to raise money abroad. Once that happens, the Indian company usually becomes a service provider to the parent, charging cost plus a markup.

Every payment between the two, whether for development services, IP, cost sharing or loans, has to be at arm's length and documented in a transfer pricing study. This is one of the most common areas of dispute for Indian tech subsidiaries, so get it right from the first year.

Real-World Example

Say a Gurgaon-based SaaS startup sells a ₹60 lakh a year subscription to a customer in Southeast Asia. The customer's country treats it as royalty and withholds 10%, so the startup receives ₹54 lakh. Back home, the startup is still loss-making, so it can't use the ₹6 lakh as a foreign tax credit. That ₹6 lakh is simply gone.

With a tax clause in the contract or a slightly higher price for that market, the startup could have protected most of that money. A short check before signing would have flagged it.

Quick Checklist for SaaS Founders

• Map every foreign vendor payment and check whether TDS applies
• Keep tax residency certificates, Form 10F and no-PE declarations on file for foreign vendors
• File Form 145 and 146 (earlier 15CA and 15CB) where needed before remitting money abroad
• Check the treaty for each major customer country before signing
• Track foreign tax withheld on your invoices and claim credit on time
• Review where your people actually work, and whether that creates PE risk
• File your GST LUT every year and keep remittance proof for every export
• Pay reverse charge GST on imported services and claim the credit
• Prepare a transfer pricing study if you have a foreign parent or subsidiary

💡 Tip: Do a one-time "tax health check" before your next funding round. Investors' due diligence teams almost always look at withholding tax, PE and transfer pricing, and clean records make the process much faster.

How DSRV India Can Help

At DSRV and Co LLP, we've been advising businesses on cross-border tax since 1987, and we work with a growing number of SaaS and tech companies. We help with withholding tax reviews, treaty analysis, PE risk checks, GST export compliance and refunds, transfer pricing and Delaware flip structuring.

If you're expanding abroad, or a foreign customer has started deducting tax from your invoices, our cross-border taxation team can help you sort it out before it becomes a bigger problem.

Conclusion

International tax for a SaaS company isn't one big problem. It's lots of small ones that add up: a missing tax residency certificate here, a forgotten reverse charge entry there, a salesperson abroad nobody thought about. Each one is easy to fix early and expensive to fix late.

Get your vendor payments, customer contracts, people and GST exports in order now, and your business can grow globally without tax surprises slowing it down.

Disclaimer: This article is for general information only. Tax treaties, rates, forms and section numbers change, and the Income-tax Act, 2025 has renumbered many provisions. Please check the current position for your specific facts before acting.