Who we are

A contemporary firm
built on five legacies.

ATPM and Co is a partnership firm registered with the Institute of Chartered Accountants of India, constituted on 17 June 2013 under Firm Registration Number 328278E.

Our story

Regulatory rigour, technology-led delivery.

ATPM and Co is a contemporary Chartered Accountancy firm headquartered in Kolkata, formed by the union of five established practices under a single name - bringing audit, taxation, advisory and technology-enabled compliance onto one platform.

We serve individuals, MSMEs, startups and corporates, combining deep regulatory expertise with AI-driven automation, forensic analytics and data-protection compliance.

"Clarity. Confidence. Sustainable Growth."

Constitution
Partnership · Registered with ICAI
Firm Reg. No.
328278E
Constituted
17 June 2013
Presence
Kolkata · Hyderabad · Bengaluru
Core strength
6 Partners · 4 Disciplines · 30+ Service Lines
Vision & Mission

What we're building.

Vision

To be the preferred professional organisation, trusted for excellence in accounting, taxation and business advisory - where regulatory rigour converges with technology-led innovation.

Mission
  • Deliver high-quality, practical services exceeding client expectations through integrity and independence.
  • Integrate AI-enabled automation, forensic analytics and DPDPA compliance into advisory.
  • Provide transparent, ethical guidance across audit, tax, litigation, M&A and regulatory matters.
  • Foster a dynamic, learning-oriented team that adapts to emerging regulations and technologies.
Firm history

How the firm grew.

An event-led timeline of the milestones that shaped ATPM And Co.

  1. 2013
    Milestone 01

    Practice founded in Kolkata

  2. 2016
    Milestone 02

    Reconstituted as a partnership firm

  3. 2018
    Milestone 03

    Partnership expanded

  4. 2026
    Milestone 04

    Five practices merge into one

  5. 2026
    Milestone 05

    Renamed ATPM And Co

A union of five practices

Every practice carried forward.

Merged with effect from 29 June 2026 into a single firm - the combined depth of five established practices.

A
AMMR & Associates
A
A B Agarwal & Associates
C
C N N & Associates
P
Poorvika & Associates
T
Triveni Gupta & Co
Kolkata skyline at dusk
Head office

Kolkata · Hyderabad · Bengaluru

Unit 608, 6th Floor, Active Business Park, 54/10 D C Dey Road, Tangra, Kolkata 700015

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