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Replace the system the business runs on, without stopping the business.Enterprise Software Engineering

Robust, scalable systems for core operations — architecture-first, strongly typed, secure from day one, and migrated in stages so the work never has to pause for the upgrade.

Understanding the discipline

What enterprise software really carries.

Enterprise software is the system a business actually runs on — the place orders, records, approvals, and money move. It is rarely the newest thing a company owns and almost always the most load-bearing, which is exactly why replacing it feels dangerous.

The risk is never the new system on its own. It is the cutover — moving live operations from something fragile and half-understood onto something new without losing a day of work or a row of data. Handled in stages, that stops being a leap and becomes a sequence.

  • Core systems moved from “keep it running” to “it decides how fast we can move.”

  • Standing still on old software became more expensive than replacing it.

  • Migration stopped being one risky launch and became a staged, reversible sequence.

  • The system of record became the thing every other tool has to agree with.

Legacy modernisation

An old, fragile platform re-architected and migrated in stages, without a big-bang cutover.

Custom business systems

ERP, workflow, and internal tooling built to how the business actually runs, not to a package's assumptions.

Integration & consolidation

The systems that don't talk connected into one source of truth, so the data stops disagreeing.

The business case

Why businesses invest in enterprise software engineering.

Returns that show up on the business, not on the engineering backlog.

  • 01

    Fragility replaced with maintainable code

    Typed, tested, and documented, so a change stops being a risk that only two people in the building can carry.

  • 02

    Lower total cost of ownership

    One system your team can extend, instead of a licence and a specialist billed for every modification.

  • 03

    Faster, safer releases

    A pipeline and a rehearsed rollback turn deployment into a decision rather than an event the business schedules around.

  • 04

    Scale you won't outgrow next year

    Architecture built for the load expected in year three, not only for the load present on the day it launches.

What we build & capabilities

The things you can commission — and what each one ships with.

Defined engagements, one at a time: the thing itself on screen, and the capabilities that come with it.

01 / 06

Legacy modernisation

An old, fragile platform re-architected into a typed, tested codebase and migrated in stages — so the system stops being understood by two people and the business never pauses for the upgrade.

Capabilities

  • Architecture review
  • Staged migration
  • Data migration
  • Zero-downtime cutover
  • Full documentation

Business outcomes

Where the business is today, and what changes.

The operational difference, in the terms the business already measures itself in.

A core system only two people fully understand
A typed, tested, documented codebase any engineer can maintain
Every change to the platform is a risk nobody wants to take
Changes shipped in small, reversible increments
A licence and a specialist billed for every modification
One system your own team extends, at a lower total cost
Data that disagrees between disconnected tools
One source of truth every system reconciles against
A replacement that means stopping the business to switch over
A staged migration that keeps operations running throughout

Scalable, maintainable systems

Lower total cost of ownership

Faster, safer releases

Our engineering process

How the engagement actually runs.

Every stage has an owner, an output, and a point where you can change direction.

  1. 01

    Discovery

    How the business actually runs today, and where the current system is genuinely the constraint.

  2. 02

    Architecture

    The target design, data model, and integration boundaries, chosen for year-three load.

  3. 03

    Migration plan

    The sequence of stages, each independently shippable, each with a way back.

  4. 04

    Build

    Typed, tested increments delivered against clear acceptance, not a single distant milestone.

  5. 05

    Data migration

    Cleaned, validated, and reconciled so the numbers match on both sides of the move.

  6. 06

    Security & quality

    Access model, encryption, and automated testing verified before anything goes live.

  7. 07

    Cutover

    A phased, rehearsed switch, with the old system on standby until the new one is proven.

  8. 08

    Handover & support

    Runbook, documentation, and a team that keeps improving the system it built.

Why Sumago

Why teams choose Sumago.

The technology partner serious businesses build with — and stay with.

Architecture-firstCertified engineeringStaged, reversible migrationSecure by designBuilt to hand over

Business understanding first

We understand the business before writing a line of code.

Strategic consulting

A consultative partner, not just a development shop.

Multidisciplinary team

Analysts, architects, designers, engineers, cloud & AI specialists, QA.

Transparency

Clear communication in every engagement.

Engineering quality

High standards, scalable and secure architecture.

Long-term partnership

Support and improvement long after delivery.

Technology ecosystem

Mainstream technology, chosen so you can hire for it later.

The stack is a means, not a position. It gets chosen against your constraints — and it stays maintainable by people who aren't us.

Node.js / NestJSReact / Next.jsPostgreSQLCloud-native
  • Slack

Proof of work

Work that has already shipped.

Real engagements, named clients, and what changed for the business behind them.

One Operating System for the Entire Manufacturing Operation
Manufacturing

One Operating System for the Entire Manufacturing Operation

Client challenge
For many manufacturers, the operation that keeps production supplied still runs on paper and disconnected spreadsheets. A department's need for materials is written down, walked between desks, and delayed; stock levels are guessed at; vendor quotes live in inboxes; goods arrive with no one certain what was ordered; and finance pays against documents it has to hunt for. Every handoff invites delay, error, and lost accountability — and the cost surfaces as stalled production, capital trapped in excess inventory, and leaders making decisions on information that is already out of date.
Our solution
An enterprise resource planning platform that unifies the entire procure-to-production lifecycle on a single, real-time system. From the first signal of a material need, through vendor sourcing and competitive quoting, purchasing, receipt, quality assurance, and payment, every step flows through one connected pipeline — with approvals and alerts moving automatically between production, purchasing, stores, quality, and finance. Each team works from the same live source of truth, and every material and every rupee is traceable from request to reconciliation. ### The platform One responsive web platform on a single shared backend, with a tailored view for every team in the operation: - **Production teams** — *raise material needs digitally* instead of on paper requisitions that get lost. *How it helped:* removed the delays and hand-offs that stalled the shop floor. - **Purchasing** — *source vendors, run competitive quotes, and issue purchase orders* through a controlled flow. *How it helped:* made procurement faster, standardized, and accountable rather than ad-hoc. - **Stores & inventory** — *receive goods, track real-time stock, and manage warehouse locations.* *How it helped:* ended both stockouts and trapped capital in overstock through live inventory visibility. - **Quality** — *inspect and formally accept goods before they enter production.* *How it helped:* ensured only verified material reaches the line, protecting output quality. - **Finance** — *pay vendors against matched, verified documents.* *How it helped:* removed payment errors and disputes by tying money to proof. - **Leadership** — *see the entire operation live* across every department. *How it helped:* moved decisions from month-end hindsight to real time. ### Architecture highlights - **Modular, domain-driven design** — procurement, inventory, quality, and finance are clean, independently evolvable modules over one shared data core. - **A single source of truth with transactional integrity** — every department reads and writes consistent, conflict-free records, so stock and status never disagree. - **Role-based access control (RBAC)** — granular permissions map each department to exactly the screens and actions it needs. - **Built-in audit trail** — every approval, material movement, and document is logged for end-to-end traceability and compliance. - **Workflow-and-approval engine** — business rules move work forward; authorization is enforced, not remembered. ### Technology stack Built on the **MERN stack** (MongoDB · Express.js · React · Node.js), giving each department a real-time, role-based web experience over one unified data layer.
Business impact
When the whole operation shares one system, materials arrive on time, capital stops sitting idle in overstock, and quality is assured before goods ever reach the line. Nothing is ordered twice or lost on arrival, every approval is accountable, and leadership sees the entire operation live rather than in month-end hindsight. A slow, error-prone paper chain becomes a fast, transparent operation — one built to scale as production and product lines grow, without a rebuild.

Enterprise Resource Planning · Workflow & Approval Automation · Real-Time Inventory Intelligence · Traceability · Vendor Management · Executive Reporting