Mercurius Taxation Services
Chartered Accountants · ICAI Registered · Since 2008

Complete tax solutions for every Indian Taxpayer & Business.

We manage your tax compliance, reduce your tax legally, and stand with you in disputes. Tax, audit, accounting and CFO services under one roof.

ICAI REGISTERED · CHARTERED ACCOUNTANTS · CA EST. 2008 Tax advisor in a suit
18+Years in practice
2000+Active clients
400+Professionals
12Partners & directors
ISO 27001Data secured
Meet the partners

Chartered Accountants who lead every engagement.

Every engagement is partner-led, backed by deep experience in finance, taxation and compliance.

AJ

CA Ankit Jain

Co-Founder & Partner

SH

CA Siddhartha Havelia

Co-Founder & Partner

Our services

One Firm. Complete Financial Expertise.

Pick a practice area to see exactly what we handle for you.

What we offer
Not sure where to start?

Let’s Discuss Your Tax & Financial Needs.

Share your requirements with our team. We can help you understand the services available for your tax, accounting, audit and compliance needs.

Audit working papers
Audit & Assurance

Audits that stand up to scrutiny.

Professional-led, on schedule, and with findings you can act on. Here is exactly what you receive.

Request an audit proposal
Companies Act, 2013

Statutory Audit

You receive

  • Statutory audit report
  • CARO 2020 reporting, if applicable
  • IFC report & management letter
Section 44AB

Tax Audit

You receive

  • Tax audit report
  • Form 3CA / 3CB & 3CD
  • Tax compliance observations
Risk-based

Internal Audit & Risk Assurance

You receive

  • Risk-based audit plan
  • Internal audit & IFC reports
  • Action tracker & recommendations
GST

GST Audit & Reconciliation Review

You receive

  • GSTR-9 / 9C reconciliation
  • GST exposure review report
  • ITC & turnover reconciliation
Advisor in consultation with a client
Why Mercurius

Tax strategies crafted for you.

Senior experts only

Practicing tax accountants, not junior staff.

Personalised strategy

No templates. Built around your goals.

Proactive compliance

We spot issues before the authorities do.

Transparent pricing

No hidden charges, ever.

Deadline protection

Every filing on time. Guaranteed.

Quick response

Reply within 2 business days.

  1. 01

    Consult

    Your full financial picture.

  2. 02

    Plan

    A strategy for your goals.

  3. 03

    File

    All submissions handled.

  4. 04

    Support

    Notices managed all year.

Contact

Get in touch.

Reply within 2 business days.

Talk to a CA

Got questions? We’ve got answers.

Leave your number for a free 20-minute call, or browse the quick answers.

Request a call back

Free, no obligation. We reply within 2 business days.

Services you need
Services you open above are added here automatically.

Is the first consultation really free?

Yes. You get 20 minutes with a Chartered Accountant, with no obligation to engage us.

How quickly will you get back to me?

Within 2 business days, by phone or email.

What documents should I keep ready?

After the first call, we share a short document list tailored to your income and business, so you only gather what applies to you.

How are your fees decided?

Fees are fixed and quoted upfront once we understand the scope. No hidden charges.

Do you work with NRIs and clients in other cities?

Yes. We work remotely across India and abroad, with documents shared through ISO 27001-secured systems.

I have already received a tax notice. Can you help?

Yes. Share the notice, and we will review it, draft the response and represent you before the department if needed.

I missed the ITR due date. Can I still file?

Yes. A belated return can usually be filed until 31 December of the assessment year, though a late fee may apply. We will check your case and file it for you.

Can you take over our books from another accountant?

Yes. We handle the handover, including migrating your books between Tally, Zoho Books, QuickBooks and other software, so nothing is lost.

I am an NRI selling property in India. Can you help?

Yes. We cover capital gains, a lower TDS certificate under Section 197, Form 15CA / 15CB and repatriating the money abroad.

Do you work with startups and small businesses?

Yes. From bookkeeping and GST to a virtual CFO, we scale our support to your stage and budget.

How do I share my documents securely?

After the first call, we send you a secure link. All documents are stored on ISO 27001-secured systems.