Every Client. Every Document. One Place: Client Master & KYC Storage in ATOM

ATOM's task prioritisation and deadline escalation engine solves all three of these problems — not with complexity, but with elegant simplicity that works the way a CA firm actually operates.

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CONTENTS

Every Client. Every Document. One Place: Client Master & KYC Storage in ATOM

Introduction: The Client Data Problem

What a Proper Client Master Must Contain for a CA Firm

ATOM's Client Master: A Deep Dive

Role-Based Access to Client Data

Common Questions from CA Firms

Vider Contact Details:

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Every Client. Every Document. One Place: Client Master & KYC Storage in ATOM

By CA Chikyala Abhinav | Updated on: Apr 23, 2026 16:30 | 15 min read

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Introduction: The Client Data Problem

Ask any CA firm partner where their client's GSTIN is. Then ask for the CIN of their company client. Then the DIN of one of the directors. In most firms, the answer involves opening at least three different places — an Excel file, an email search, and possibly a physical file. Sometimes the answer is 'I'll have to check.'

This is not a knowledge problem. It is a systems problem. When client data lives in multiple disconnected places — spreadsheets, email attachments, WhatsApp forwards, physical folders — it is inevitably incomplete, duplicated, and difficult to retrieve. The result is wasted time, unnecessary client follow-ups, and the occasional embarrassing moment when a CA does not know basic facts about their own client.

ATOM's Client Master module solves this definitively. Every piece of client information, every KYC document, every registration number, and every entity detail lives in one place — structured, searchable, and secure.

What a Proper Client Master Must Contain for a CA Firm

A CA firm's client master is not just a contact list. It is the operational foundation of every engagement. For the system to be useful, it must capture:

  • Full legal name and trade name of the entity
  • Entity type: Individual, HUF, Proprietorship, Partnership, LLP, Private Limited, Public Limited, OPC, Trust, AOP, BOI
  • Primary identifiers: PAN, GSTIN (all registrations), CIN, LLPIN, TAN, Aadhaar (for individuals)
  • Director/Partner/Trustee details with DIN where applicable
  • Registered address, communication address, and correspondence preferences
  • Financial year and accounting year details
  • Applicable registrations and compliance obligations
  • Date of incorporation/registration and anniversary dates
  • Assigned partner and handling team members
  • KYC documents: PAN card, Aadhaar, incorporation certificate, partnership deed, etc.
  • Bank account details for reference (not for transactions)
  • Engagement history and services availed

“The Client Master is not a feature of ATOM — it is the foundation of ATOM. Everything else — tasks, deadlines, notices, billing — flows from knowing exactly who your client is.”

ATOM's Client Master: A Deep Dive

Structured Entity Profiles

Every client in ATOM has a structured profile page. The system presents the right fields based on entity type — so an Individual profile asks for different information than a Private Limited Company profile. This structure prevents incomplete data entry and ensures consistency across the firm's entire client base.

Bulk Import from Existing Records

For firms migrating from spreadsheets or other tools, ATOM supports bulk client data import. The Vider onboarding team assists with data migration, ensuring that existing client records are transferred accurately into the structured ATOM format.

KYC Document Storage with Version Control

Every KYC document uploaded to a client's profile in ATOM is stored with metadata: document type, upload date, uploaded by, and a version number. When a PAN card is re-issued or an address proof is updated, the new document is uploaded as a new version — the old one is retained for audit trail purposes. No document is ever lost.

Instant Search Across All Clients

ATOM's search function works across all client profiles simultaneously. Type a PAN number, a company name, a GSTIN, or a CIN — and the relevant client profile appears instantly. No more manual searching through spreadsheets or email archives.

Data Category Fields Captured Why It Matters
Tax Identifiers PAN, GSTIN(s), TAN, Aadhaar Needed for every compliance task
Corporate IDs CIN, LLPIN, DIN of directors MCA/ROC filings and notices
Entity Details Type, incorporation date, FY Determines compliance calendar
KYC Documents PAN card, Aadhaar, cert. of incorp. Regulatory and onboarding req.
Team Assignment Partner, manager, handler Accountability and task routing

Role-Based Access to Client Data

Not all team members should have access to all client information. A junior article clerk working on routine GST filings does not need to see the full financial profile of a high-net-worth individual client. ATOM's role-based access control ensures that each team member sees only the client data relevant to their work — protecting sensitive information without hampering productivity.

Common Questions from CA Firms

How many clients can ATOM handle in the client master?

ATOM is designed to scale from solo practitioners with 20 clients to large firms with 2,000+ clients. The search and filter functions remain fast regardless of database size. There is no practical limit on the number of client profiles.

Can multiple GSTIN registrations be stored for one client?

Yes. Many companies have multiple GST registrations across states. ATOM allows multiple GSTIN entries under a single client profile, each tagged with the relevant state and registration type.

What happens to client data if we stop using ATOM?

Your data belongs to you. Vider provides full data export in standard formats (Excel, CSV) on request. There is no data lock-in.

Vider Contact Details: