BooksOn®HSN
English
Get the free app

About ARISHIMETO Technologies

The company behind BooksOn software and the BooksOn HSN app

Chennai, IndiaBooksOn softwareBooksOn HSN app

ARISHIMETO Technologies Private Limited is a software company in Chennai, Tamil Nadu, India. It makes BooksOn, cloud accounting and GST compliance software for Indian businesses, and BooksOn HSN, a free Android app to find HSN and SAC codes and GST rates.

The company

NameARISHIMETO Technologies Private Limited (ARISHIMETO)
BrandsBooksOn (also written Bookson or Books On) and BooksOn HSN
CINU58200TN2026PTC196842
Incorporated19 August 2026, Registrar of Companies, Chennai
Registered officeNo. 3/9 (2/9), Flat No. 9, II Floor, Unique Apartment, Nehru Nagar 1st Street, Adyar, Chennai – 600 020, Tamil Nadu, India
Emailsupport@bookson.in

BooksOn® is a registered trade mark of ARISHIMETO Technologies Private Limited.

BooksOn software

BooksOn is cloud accounting and compliance software made for Indian businesses and the accountants who serve them. Every function runs on one double-entry ledger, so nothing has to be exported or reconciled between apps:

  • GST: invoicing, e-invoices (IRN and QR), e-way bills and GSTR-1, 3B, 9 and 9C returns.
  • Income tax and company law: ITR, TDS and TCS returns, and ROC filings.
  • Business operations: inventory, payroll, CRM and bank reconciliation on the same books.
  • Security: two-factor login, passkeys and full audit trails for every company you run.

More about BooksOn software. To get access, email support@bookson.in.

BooksOn HSN app

BooksOn HSN is a free Android app that finds the HSN code of goods or the SAC code of services and shows the GST rate as on any date since 1 July 2017, citing the CBIC notification behind every rate. It works offline, has no ads and needs no account, in English, Hindi and Tamil. More about the app · Get it on Google Play or Galaxy Store.

Find us

Get BooksOn HSN on your phone

HSN/SAC codes and GST rates in English, हिन्दी and தமிழ், with the CBIC notification behind every rate. Also GST and income tax calculators, and due-date alerts.

  • Free
  • No ads
  • Works offline
Get it on Google Play Available on Galaxy Store