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About the firm

Professional continuity with multi-location execution.

The firm traces its origin to Kumbakonam in 1949 and has developed into a multi-location practice serving clients across South India.

1

Legacy

G. Natesan & Co. was established at Kumbakonam by Shri G. Natesan Iyer and later evolved into a partnership practice with professionals experienced in audit, taxation, banking, insurance and advisory work.

2

Presence

The firm is headquartered in Chennai and operates through branches across key commercial centres. Each office is coordinated by a Partner or senior professional.

3

Work process

Assignments are handled through a partner-led model supported by qualified assistants, audit managers, articled assistants and trained staff.

Present profile as on 30.06.2026: 9 offices, 12 partners, 8 employee Chartered Accountants, 5 DISA-qualified professionals, 15 other professionals and senior associates, and articles/audit staff across offices.

Services

What we can do

The scope of each engagement is agreed having regard to applicable law, professional standards and the specific facts of the assignment.

S. No	Content
1	NRI Services Inward & Outward Remittance advisory, Indian & Foreign Tax Filings.
2	Audit and Assurance • Statutory audits • Tax audits • Forensic audits • Internal & Concurrent audits, • Management audits, • Revenue & Stock audits • Special Audits under Income Tax & GST Acts.
3	Accounting and Reporting Advisory Accounting Standards, ICDS & GAAP Ind AS Implementation & Transition Guidance Guidance on Accounting of Niche transactions, Drafting of Financial Statements Guidance on Standards on Auditing
4	Internal Controls and ERP Reviews Review of Business Processes & Transaction flows, Guidance on ERP and SAP design, Guidance on data capture for financial reporting Review, Report & Remove Defects in Internal financial controls.
5	ICFR Review and Certification Review of IFCoFR of corporates, banks and other large entities Drafting of Risk Control Matrices Assessment of deficiencies in IFCoFR Guidance on Removal of Deficiencies Certification of IFCoFR to add comfort to Statutory Auditors
6	Taxation and Regulatory Advisory Advisory, compliance and representation including return filing, reconciliations, assessments, appeals and representation before authorities. INCOME TAX GST TDS FEMA RBI MCA
7	Forensic and Special Reviews Forensic Audits Fraud investigations, Internal control testing Specific Transaction Reviews
8	I-T TDS Processing High Volume Data Handling Large Number Returns Processing Primary Data validation for TDS Return TDS Returns Error resolution Representation before TDS authorities. The firm has experience in high-volume compliance processing assignments.
9	Finance Function Support Transaction validation Statutory Compliances Books-to-Returns reconciliation, Books to IT/GST Portal Data reconciliation Return Data validation, MIS Reports Periodic financial oversight and Resource support for finance and accounting functions.
10	Other Services Preparation of Project Reports and Preparation of CMA data KYC Compliance for Banks & NBFCs Certifications under FCRA, Pollution Control & Banking requirements Representation before RBI for Foreign Investment Approvals
11	Valuation and Due Diligence Business valuation Financial due diligence TEV Studies

Partners & Consultants

Experience, Conservative outlook merges with current knowledge and tech enabled services

Name	Content
S. Srinivasaraghavan	CA since 1966 30 years active practice Audit & Assurance General Insurance
V. Margasahayam	CA since 1980-DISA 17 year experience as banker 28 years active practice Audit & Assurance ICFR Audits Banks & NBFC Audits Forex & Treasury Audits Newspaper & Media Audits Direct Taxation
P. Parthiban	CA Since 1985-DISA 37 years active practice Audit & Assurance Risk based Internal Audits Banks & NBFC Audits Income Tax & GST Practice Information System Audits
K. C. Seetharaman	CA since 1984-DISA 12 years International Industry service 29 years active practice Audit & Assurance Risk based Internal Audits Banks & NBFC Audits Income Tax & GST Practice FEMA & Companies Act Insurance Sector Audits-Life Information System Audits
V. Sekar (Consultant)	35 years of banking experience Risk based Internal Audits ICFR Audits Banks & NBFC Audits Credit Audits Loan Documentation Audits
K.N.Srinivasan (Consultant)	35 years of banking experience Credit Audits Forex & Treasury Audits
K. Murali	CA since 1986 36 years active practice Audit & Assurance Risk based Internal Audits ICFR Audits Banks & NBFC Audits IND AS Implementation & Guidance Income Tax & GST Practice FEMA & Companies Act GAAP & SA guidance Insurance Sector Audits-Life & General
Varalakshmi Murali	CA since 1989-DISA 33 years active practice Audit & Assurance Risk based Internal Audits Banks & NBFC Audits FEMA & Companies Act GAAP & SA guidance Insurance Sector Audits-General Information System Audits
S. Latha	CA since 1993 32 years active practice Audit & Assurance Risk based Internal Audits Banks & NBFC Audits Income Tax Practice
M. Ganesh Prakash	CA since 1995 30 years active practice Audit & Assurance Risk based Internal Audits Banks & NBFC Audits Income Tax & GST Practice FEMA & Companies Act TDS Processing
R. Ganesh	CA since 2006-DISA 3 years of Internation Industry exposure 16 years active practice Audit & Assurance Risk based Internal Audits Banks & NBFC Audits Income Tax & GST Practice Insurance Sector Audits- General Information System Audits
Ramu Vijayaraghavan	CA since 2013 12 years active practice Audit & Assurance Risk based Internal Audits Income Tax & GST Practice TDS Processing
K.P. Ranganathan	CA since 2016 10 years active practice Audit & Assurance Risk based Internal Audits ICFR Audits IND AS Implementation & Guidance Income Tax & GST Practice FEMA & Companies Act TDS Processing
Sajith Oommen	CA since 2016 10 years active practice Audit & Assurance Risk based Internal Audits ICFR Audits Banks & NBFC Audits IND AS Implementation & Guidance Income Tax & GST Practice FEMA & Companies Act TDS Processing

Industry exposure

Sector exposure across institutions, businesses and not-for-profit entities.

GNC serves Individuals, Firms, LLPs, Private & Public Companies, Listed entities, Regulators, Government Departments, NGOs.

S. No	Content
1	Commercial Banks Central Statutory Audits Large Branch Statutory & Concurrent Audits Treasury & Forex Audit Stock & Revenue Audits ASM Assignments KYC Compliance Credit Audits-Pre & Post Sanction Loan Documentation Audit
2	Manufacturing Heavy engineering, FMCG, Defence-related Auto Ancillaries & OEM
3	Financial sector Financial institutions, NBFCs Nidhis Regional Rural Banks Co-operative Banks
4	Audit of Government Government Departments Government Financed Schemes-Central & State World Bank Funded/Aided Projects ADB Funded/Aided Projects
5	Technology services Software development, Software support services Call Centres E-commerce and digitally enabled businesses.
6	Insurance Life General
7	Healthcare Hospitals Clinical Establishments Pharmacy chains Diagnostic Centres
8	Publishing and media Publishing houses -Newspaper & Magazines Television Channels OTT Platforms
9	Hospitality Hotels Restaurants industrial catering Event management entities.
10	Education & Religious Institutions Universities, Schools & Colleges Temples & Adheenams NGO & NPO RWA
11	Trading and distribution Trading, FMCG distribution Logistics & supply chain entities. Customs Clearing Agents

Audit approach

Structured execution with professional independence.

We believe in direct partner involvement, clear communication, professional independence and structured documentation. The objective of each assignment is to complete the agreed scope in accordance with applicable standards, legal requirements and professional responsibilities.

Partner-led planning

Every assignment is planned and supervised by a designated Partner. The Partner-led team is responsible for work allocation, execution monitoring, review of critical matters and sign-off of deliverables.

Communication protocol

Communication with the client is channelled through the Partner Lead or designated senior team members. Periodic reviews are conducted to monitor workflow, resolve issues and ensure that deliverables are supported by appropriate working papers.

Documentation and review

The firm follows maker-checker review and internal review protocols for critical workstreams. The work of one Partner-led team may be reviewed by another Partner-led team before deliverables are issued, where appropriate.

Confidentiality and data discipline

Partners, employees, trainees and associated professionals are required to maintain confidentiality in respect of information handled during the course of professional assignments.

Technology-enabled workflow

The firm uses technology-enabled workflow, documentation and review processes to monitor assignment progress, issue resolution and review status. All the partners are adept in maneuvering every kind of accounting, audit and data analytical softwares

Resources and infrastructure

Professional resources, knowledge support and assignment workflow.

All staff and resource numbers should be verified and marked with an "as on" date if they are not updated frequently.

Human resources as on 30.06.2026

Category	Strength / Note
Qualified assistants - CA employees / associates	8, including 1 professional with ICAI certificate in forensic audit
Consultants	4, including 2 senior ex-bankers
Audit managers	12
Company secretary associates	3
Other audit staff	Adequate in each branch

Infrastructure and knowledge resources

Audit management software

Customised system to monitor work process, progress and review status.

Audit supervision

Designated Partners supervise assignments through workflow tracking and review protocols.

Onsite audits

Teams are equipped with laptops and assignment-specific access requirements.

Online access

Access to ICAI resources, Taxmann and other professional databases, as required.

Office library

Online and physical commentaries and reference material. Data analytical software available to every team member.

Staff updates

Periodic in-house seminars, technical discussions and open-house sessions.

Banking and NBFC updates

Professional updation through RBI, NIBM, IBA and other relevant websites, bulletins and circulars.

Partner updates

Professional seminars and interactions through ICAI, ASSOCHAM, MCCI and tax associations.

Contact

Office locations

General email: hognc@gnatesanandco.com
Website: www.gnatesanandco.com

Chennai – Head OfficeCA K. Murali & CA Varalakshmi Murali - hognc@gnatesanandco.com; +91 94431 28378 & 94430 70401Champak Mahal, 7/1, Fourth Street, Abiramapuram, Chennai - 600 018No. 18, Oliver Road, Mylapore, Chennai - 600 004

Chennai – BranchCA Ganesh Prakash - ganeshprakashm@gnandco.com; +91 98840 03488Ashok Lakshmi Kripa, 9, 43rd Street, VI Avenue, Ashok Nagar, Chennai - 600 083

KumbakonamCA Ganesh Ramalingam - gnatesanandcocas@gmail.com; +91 98842 98240 & 94430 7040138, Karnakollai Agraharam East, Kumbakonam - 612 001

KochiCA K. C. Seetharaman - gnkochi@gmail.com; +91 94471 59171First Floor, Sarathy Enclave, Cheruparambath First Cross Road, Kadavanthara, Kochi - 682 020

TiruchirappalliCA Srinivasa Raghavan - hognc@gnatesanandco.com; +91 87544 36378No. 47, Puthur High Road, Puthur, Tiruchirappalli - 620 017

ThanjavurCA Rama Vijaya Raghavan - ganeshprakashm@gnandco.com; +91 98848 39605Kamala Subramanian Arcade, Shop No. 10, VOC Nagar, Thanjavur - 613 007

BengaluruCA Sajith P. Oommen & CA K.P.Ranganathan - hognc@gnatesanandco.com; +91 87547 87928 & +91 99405 74822Flat No. 219, Mahaveer Orchids, Rayasandra Village, Anekal Taluk, Bengaluru - 560 099

HyderabadCA Latha S. - hognc@gnatesanandco.com; +91 99405 7482229-500/2/4, Dinakar Nagar, Neredmet, Secunderabad - 500 056

SalemCA Parthiban - parthi61@gmail.com; +91 87780 14165Cauvery 2, Subbarayan Layout, Rajamanickam Street, Hasthampatti, Salem - 636 007

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