Company lists · Data refreshed November 2026

Top 25 Tax preparation outsourcing services based in India

RevenueBase identified 654 company matches for tax preparation outsourcing services associated with India as of November 2026 and tracks 7,628 professional contacts across them, including 1,715 with verified work emails. Ahmedabad is the largest hub.

This list covers company matches for tax preparation outsourcing services associated with India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
654Companies
7,628Contacts tracked
1,715Verified emails
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The 25 largest tax preparation outsourcing services based in India

Ranked by team size
Top 25 of 654 company matches for tax preparation outsourcing services based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAhmedabad, IndiaHQ recorded Nov 5, 20261,001-5,000829 contacts →

Exact match

“KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchNoida, IndiaHQ recorded Nov 5, 2026501-1,000527 contacts →

Exact match

“Global FPO is an Accounting, Bookkeeping and Tax Consulting, and outsourcing company that helps CPAs, accounting firms, small and mid-sized businesses, and startups strengthen…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBhilai, IndiaHQ recorded Nov 5, 202651-200265 contacts →

Exact match

“Virtual Clone is a leading provider of accounting outsourcing services, tailored specifically for ACCA/FCCA and Chartered Accountancy firms in the UK and Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchJaipur, IndiaHQ recorded Nov 5, 2026201-500262 contacts →

Exact match

“Indian tax laws are a maze of deadlines, exemptions and penalties, making it difficult for the taxpayer to file their ITR.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Nov 5, 2026501-1,000247 contacts →

Exact match

“Providing tax preparation products and solutions to the accounting profession to increase productivity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Nov 5, 2026n/a237 contacts →

Exact match

“Welcome to TaxBuddy, your one-stop solution for all your tax preparation and filing needs- happy users across 2600 towns in India - 4.9 star Google rating from customers - Led by…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchGhaziabad, IndiaHQ recorded Nov 5, 2026501-1,000216 contacts →

Exact match

“Aone is one of the leading global accounting, bookkeeping, tax and year end accounts preparation service provider in India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAhmedabad, IndiaHQ recorded Nov 5, 2026201-500208 contacts →

Exact match

“Inventyv Software Services Pvt.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchHyderabad, IndiaHQ recorded Nov 5, 2026201-500178 contacts →

Exact match

“H&R Block Hyderabad is a capability center providing tax, bookkeeping and technology services to our parent company, H&R Block, Inc (ticker: HRB).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchChennai, IndiaHQ recorded Nov 5, 202651-20098 contacts →

Exact match

“Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchNoida, IndiaHQ recorded Nov 5, 202651-20095 contacts →

Exact match

“We add value to CFO’s and Accounts Team by solving following problems and more through our value added services: Subjectivity (or favoritism) in transaction processing Delay in…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-20089 contacts →

Exact match

“SBS Global, powered by a team of 150+ employees, is an ISO 9001:2015 & ISO 27001:2013 certified Financial Accounting Outsourcing (FAO) and consulting company led by experienced…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchVadodara, IndiaHQ recorded Nov 5, 202651-20087 contacts →

Exact match

“VNC Global is a leading offshore bookkeeping solutions provider supporting businesses across the Globe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchAhmedabad, IndiaHQ recorded Nov 5, 202651-20075 contacts →

Exact match

“Virtual Accounting Solution LLP (VASL) is knowledge driven, highly reliable and technically advanced accounting outsourcing company offering bookkeeping, accounting, tax returns…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAhmedabad, IndiaHQ recorded Nov 5, 202651-20074 contacts →

Exact match

“We are a full-service outsourcing firm catering to US-based CPA, EA, Tax, and accounting firms.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNoida, IndiaHQ recorded Nov 5, 202611-5062 contacts →

Exact match

“Especia Associates LLP is a group of qualified professionals providing highly customized and efficient financial advice to various organizations on Income Tax Returns, Internal…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchAhmedabad, IndiaHQ recorded Nov 5, 202611-5056 contacts →

Exact match

“Safebooks Global is driven to provide assured outsourcing & offshoring services to Accountants, CPA firms and Business owners.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-20054 contacts →

Exact match

“Kloud Connect Tech is an emerging company offering global business services like Accounting, Bookkeeping, Taxation, Administration, Audit & IT Services designed to assist small…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchAhmedabad, IndiaHQ recorded Nov 5, 202651-20052 contacts →

Exact match

“AccountsBytes believes in INTACT a.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-20047 contacts →

Exact match

“We are a professional accounting and taxation outsourcing firm providing dedicated support to Australian and New Zealand Public Practicing firms and Registered Tax Agents.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchHyderabad, IndiaHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“At Sthirah, we specialize in delivering bespoke offshoring solutions tailored for accounting, tax, and audit service providers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBengaluru South, IndiaHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“FIBACT is formed with the objective to provide Bookkeeping, Accounting and Tax Compliance Services to Accounting Firms, Small and Medium Enterprises in US & India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchNew Delhi, IndiaHQ recorded Nov 5, 202611-5035 contacts →

Exact match

“An accounting and business process outsourcing firm based in India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchNoida, IndiaHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“Neil Accountants offers business process outsourcing services that help accounting firms reduce costs and improve efficiency through professional and reliable accounting and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-20033 contacts →

Exact match

“CFO Angle delivers senior CA-led virtual, fractional and interim CFO services to startups, SMEs and growing enterprises, helping leadership teams convert financial data into…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 654 tax preparation outsourcing services based in India

See the full list, filter by size, metro and specialty, and access 1,715 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax preparation outsourcing services based in India at a glance

As of Nov 5, 2026
22.5%Verified-email coverage
11.7Average contacts per company
11-50Median size (employees)
15.0%Largest-city concentration · Ahmedabad
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
317
11-50
253
51-200
60
201-500
13
501-1,000
5
1,001-5,000
2
10001+
1

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 654 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with India whose business descriptions match “tax preparation outsourcing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,715 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax preparation outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax preparation outsourcing services are there based in India?

RevenueBase identified 654 company matches for tax preparation outsourcing services associated with India as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

KMK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax preparation outsourcing services?

Ahmedabad leads with 98 company records, followed by New Delhi (48) and Bangalore (42).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,715 professional contacts with verified work emails tracked across these 654 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.