About the firm
Enabling smarter compliance with expertise and assurance
Our experienced consultants help Chennai businesses navigate audits, regulations, and financial decisions through tailored solutions and dependable support.
Our story
C S Rushil & Co. is a chartered accountancy firm based in Anna Nagar, Chennai, founded in 2024 by CA Rushil C S (Certified FAFD, Start-up Mentor). The firm is built on the principle of demystifying financial complexity through precise audits and strategic insight — helping clients strengthen compliance, mitigate risk, and grow with confidence.
Backed by a team of 16 skilled professionals, we deliver audit, taxation, risk, compliance, and management consulting services for businesses across sectors — combining a technology-driven approach with hands-on experience.
C S Rushil & Co. on LinkedInOur mission
To provide holistic financial, compliance, and advisory services that drive business transformation — supporting enterprises whether they are early-stage start-ups or established companies navigating growth.
Our values
To bring clarity to financial reporting, ensure regulatory compliance, and provide reliable audit solutions that build trust and support long-term business success.
Why choose us
Expert-Led Financial Guidance
Deep, current expertise across audit, tax, and compliance — not generic advice.
Tailored, Client-Centric Solutions
Every engagement is scoped to your business stage, sector, and risk profile.
Support At Every Stage
From first-time incorporation to enterprise-scale audits, we scale with you.
Commitment To Clarity & Trust
Transparent fees, plain-language explanations, and ethical practice in every engagement.
Leadership

CA Rushil C S
Founder & Managing Partner — Practising Chartered Accountant
Certified FAFD, Start-up Mentor. Leads the firm's audit, taxation, and compliance practice, and heads client engagements across incorporation, GST, and advisory work.
LinkedInChartered Accountancy in India is regulated by the Institute of Chartered Accountants of India (ICAI), the statutory body that certifies and governs every practising CA in the country.
Our team
Our full team includes 16 professionals across audit, tax, and GST.
Individual profiles for the remaining team members will be added here as they're finalised.
Areas we serve
Our office is in Anna Nagar, Chennai, and we work with clients across the city — in person for those nearby, and virtually for everyone else. Businesses regularly reach us from Anna Nagar, Kilpauk, Aminjikarai, Villivakkam, Ambattur, T. Nagar, Nungambakkam, Vadapalani, and Chennai's OMR/IT corridor, among other areas — wherever you're based in Chennai, our incorporation, GST, audit, and tax services are available to you.
We also work remotely with Non-Resident Indians and overseas clients, including clients based in the United States, on Indian tax filing, DTAA benefit claims, and compliance matters that don't require an in-person visit. Our team communicates in English, Tamil, and Hindi.
Get Started
Let's simplify your compliance.
Talk to a chartered accountant in Chennai today — no obligation, no jargon.




