Nexus Business Operating System

Accounting-first ERP for finance teams that outgrow spreadsheets

General Ledger, AP, AR, Bank, Inventory, Fixed Assets, and India GST on one coherent data model — with industry verticals you add when the business is ready.

Try Nexus BOS →Request a walkthrough School live demo

Also available: Customer & vendor portal · Partner portal

Positioning

The gap between too light and too heavy

Too light

Simple cloud accounting stops at invoicing and basic reports. Multi-entity finance, inventory, fixed assets, and statutory depth need another layer.

Too heavy

Global tier-one ERPs bring programme overhead, long timelines, and cost structures many mid-market teams cannot absorb.

Built for the middle

Nexus BOS targets finance teams that outgrew spreadsheets but need architecture beneath them — accounting-first, modular verticals on one spine.

Why Nexus

What makes Nexus BOS different

Deliberately not "everything SAP does, cheaper" — and not pure SME invoicing. Built for finance teams that need architecture beneath the spreadsheets.

Accounting-first backbone

The general ledger is not a downstream dump. Dimensions, reconciliation paths, consolidated views, and statutory audit trails are first-class.

India GST depth

A dedicated GST workbench and deep tax configurability — tax is part of postings and reporting, not a month-end spreadsheet patch.

One model from document to ledger

Procure-to-pay and order-to-cash postings trace to coherent subledgers. Fixed assets and disposals post real GL journals auditors can reconcile.

Multi-company & CA leverage

Repeatable onboarding, company isolation, and consistent CoA patterns — ideal for finance controllers and CA firms standardising SME engagements.

Modules

One platform, modular by design

Start with core finance. Add School, Hospital, CTRM, or CA Practice verticals when you need them — licensed per module.

General Ledger

CoA, journals, periods, consolidation

Accounts Payable

Contracts → PO → Invoice → payment

Accounts Receivable

Contracts → SO → Invoice → receipt

Banking

Reconciliation & cash management

Inventory

Items, movements, valuation

Fixed Assets

SLM/WDV, IFRS 16 leases, GL-first

Tax / GST

India GST workbench & tax masters

Human Resources

Payroll, leave, statutory

Live

School Management

Admissions, fees, attendance, exams

Soon

CA Practice

ITR, compliance, client portal

Soon

Hospital (HMS)

Clinical & billing workflows

Soon

CTRM

Trading, risk, logistics & settlements

CRM & Portals

Partner, customer & staff portals

Explore Core modules in detail →

Outcomes

Outcomes finance leaders care about

Faster, less chaotic period close

Period close checklist, accruals, bank reconciliation, and dashboards finance teams actually use.

Confidence for auditors

Subledger reconciliation, statutory audit trails, and fixed-asset journals in the general ledger.

Less spreadsheet gymnastics

Consolidated trial balance, dimension P&L, and FA schedule reports without exporting to Excel.

India compliance contained

GST tooling and tax masters integrated into posting — not bolted on after the fact.

CA firm leverage

Multi-company isolation and repeatable onboarding templates across dozens of SME clients.

Room to expand

Optional HMS, School, CA Practice, CTRM, and HR verticals — without surrendering ledger integrity.

Comparison

Where Nexus BOS fits

Directional positioning — validate during discovery; not a certified feature audit.

Dimension	Nexus BOS	Typical alternatives
Sweet spot	SME → mid-market + CA rollup	QB (very small), Zoho (SMB suite), SAP/D365 (programme-heavy)
Multi-company / consolidation	Strong	Often partial or add-on elsewhere
Operational AP/AR + inventory	Strong — one spine to GL	Varies by edition and partner setup
Fixed assets (GL-first)	Built-in FA module + posting profiles	Often light add-on or separate tool
India GST centrality	Strong — dedicated workbench	Typically partial unless heavily configured

Entry points

Choose your entry point

Same platform, different doors — staff ERP, customer/vendor portal, or partner portal.

Staff ERP

Full finance and operations for your team — GL, AP, AR, inventory, HR, and more.

Staff sign in

Customer & vendor portal

Invoices, cases, school parent views, staff self-service — role-based access.

Portal sign in

Partner portal

Manage tenant companies and partner operations from a dedicated workspace.

Partner sign in

Commodity trading

Nexus CTRM

Ratxen's own commodity trading and risk platform on the Nexus spine — trading, physical operations, settlements, and analytics built on Core finance. On the product roadmap after School.

Explore Nexus CTRM →

Independent products

Also in the Ratxen software portfolio

Serene Habits, Arivo, LivingOS, Zivora, and Permitra are independent products — not Nexus verticals.

Serene Habits →Arivo →LivingOS →Zivora →Permitra →

Ready to explore Nexus BOS?

Start free on the product app or book a Ratxen walkthrough.

Request Demo