"AJSH & Co LLP"    is now    "Mercurius & Associates LLP" "AJSH & Co LLP"    is now    "Mercurius & Associates LLP" "AJSH & Co LLP"    is now    "Mercurius & Associates LLP"

Seamless Business Setup Solutions for Your Success in India

Our expert team navigates the complexities so you can focus on what matters.

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What we do

One-stop solution for all your Business requirements

Start a Business in India

Accounting and Bookkeeping

Auditing and Assurance

Tax and Regulatory Services

Foreign Direct Investment


Advisory Services

Allied Services

Certifications & Associations

Why us

Discover our unique edge for your success

Comprehensive Expertise

  • check A wide range of services that are suitable for your business needs.
  • check A dedicated team of experienced professionals.
  • check Guiding clients through every aspect of their business journey: business setup, accounting, audit, tax compliance and back-office support.
  • check Delivering comprehensive solutions tailored to individual requirements.

Tailored Approach

We understand that each business is unique. Our tailored solutions ensure that the services cater to your needs and industry requirements. Whether you are a startup or an established enterprise, we work closely with you to develop customized solutions that align with your goals and industry regulations.

Cost-Effective Solutions

We strive to provide premium, cost-effective solutions and streamline your investment for maximum effectiveness.

Audit Excellence

We provide comprehensive audit services that offer valuable insights and ensure accurate financial records. We are one of the few firms in India that performs PCAOB (USA) and CPAB (Canada) audits.

Dedicated Client Support

Our dedicated team is committed to providing prompt and reliable support. Our experts can assist you with strategies, compliance, and taxes.

Ready to Elevate your Business?


Meet Our Experts

Meet the industry experts at Mercurius – our diverse specialties encompass the full spectrum of business needs, from tax strategists to audit maestros; our experts bring a wealth of experience to elevate your business.

Explore the profiles of our accomplished team and discover the specialized insights that can drive your business success.


Ankit Jain


Siddhartha Havelia


Rajesh Bansal



    Expand your Business - Your Ambitions are our Target!

    Discover a legacy of global excellence since 2008. Mercurius specializes in business setup, accounting & bookkeeping, audit and tax compliance.

    Schedule an appointment, and let's broaden your business horizon!

    Client Insights

    Real Experiences, Visible Impact

    "I also want to take a moment to appreciate all the effort that the AJSH team puts in. We appreciate your team’s reliability and enjoy collaborating with you."

    Mariya Sajan Legal Counsel, YOP Factory LLC

    "AJSH’s team gives our organization great support. They are knowledgeable, responsive and thorough, and all this at an excellent value"

    Nakul Sehgal Uninor

    "Thank you very much for all your hard work with the audit this year. As always, it was a pleasure working with Ankit and AJSH."

    Anand Patel Surya Capital Securities, LLC

    "I want to thank Ankit and the team members for once again doing an excellent job for the audit this year"

    Granville A. Ungerleider Whitemarsh Capital, LLC

    "On your contribution to Indus Towers, I would like to say you are our crisis man and your attitude at times of stress is impressive, to say the least."

    Mr Kaustav Neogi Indus Towers, Gurgaon

    "MAS has been an added advantage to our organization. We are grateful for the hard work and exemplary services provided by their team. They are a pleasure to work with and always accommodating."

    Ram Mukunda India Globalization Capital Inc.

    "I would like to thank and congratulate MAS team for their excellent support and cooperation. It was really a great experience during the assignment."

    Shashikant Goswami BorgWarner Emissions Systems India

    "Your team is extremely professional, well versed in the relevant tax and regulatory matters and always courteous. We are fortunate to have found this relationship"

    Stephen Nasser Coit Capital Securities, LLC

    Stay informed with our latest News and Articles

    28 Feb

    Under-reporting of income and Misreporting of income

    Taxes are a crucial part of the Indian financial system as they contribute significantly to the government’s revenue sources. To keep things fair, the Income Tax Act 1961 has a superb provision – Section 270A; let’s break it down and understand how it works to keep our tax system fair and honest. Suppose you have


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