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Custom business software & ERP

Business software built around how your company actually runs

We design, build and improve the operational systems businesses depend on - including ERP, logistics, inventory, billing, integrations and internal tools. New builds, and modernization of software you already rely on.

Air Alliance Limited · in production

users across 5 departments
300+
modules in production
5 of 6
in production since
2023

How the system fits together ↓

Capabilities

What we build.
Systems around your work.

01

Custom business software

Applications built around the way your company already works, instead of forcing your process to fit a product.

02

ERP & business management

Operations, inventory, sales, purchasing, billing and reporting in one system, with data shared across departments.

03

AI-integrated applications

Add AI capability to software you already run, or build a new application around it - using the model that fits the job, not the one that is trending.

04

Legacy modernization

Improve, extend or replace an existing application in stages without stopping the business while you do it.

05

API & system integration

Connect the systems you already run so data moves automatically instead of through spreadsheets and re-keying.

06

Maintenance & improvement

Ongoing fixes, performance work and new features after launch. Our longest client relationship is now in its fifth year.

Build or buy

Buy the software you can. Build the part that makes you different.

Accounting, payroll and email are solved problems, and we will tell you to buy them. Custom wins when the process that makes your business work is the part the product handles worst - and you end up paying twice: once for the licence, once for the people working around it.

The usual signs, in our experience:

  • The process that differentiates you is the one the product handles worst
  • Two or three tools each hold a piece and nothing joins them
  • Licence cost scales with headcount faster than the value does
  • You need data out of it that the vendor's reporting will not give you
The full argument
Why us

Why teams choose us over a larger agency

Enterprise experience, not agency experience

Our founder spent six years as system analyst and software team lead inside a UPS authorized service contractor, and has led data migration on core banking systems. You deal with the person who has done the work.

Delivered module by module

Something useful goes live early. Departments work in the new system while later modules are still being written, so you know whether we understood you months before the end.

Scope in writing, including what is excluded

Every proposal lists what we will not build. It is what keeps a wide programme from becoming an open-ended one.

A decade with one logistics operation

Six years in-house, then as the vendor since 2022. Air Alliance's suite has been in production since 2023, and we still run and support it.

Small by design: the people who scope your project are the people who build it. Meet the team.

Clients

What our clients say

The best measure of our work is what happens after the software goes into production.

System consolidation · modular delivery

“We were running five departments across our own application and four separate third-party systems. Streamline replaced all of it with one platform, and delivered it module by module, so our teams were using working software long before the project finished.”

Moniruzzaman Tusher Head of IT · UPS Bangladesh (Authorised Service Contractor)
View case study

Long-term product development

“Streamline built our platform and has kept improving it since. They understand the product as well as we do, which makes adding new agencies and features straightforward.”

Ralf Tenbrink Owner · Adunanza SL

End-to-end traceability

“We can now trace every kilogram from the moment it arrives from a supplier to the invoice, across both facilities, our retail shop and cold storage. Before this system, that picture only existed in pieces.”

Mr. Sumon Owner · Food Network Agro
View case study

Long-term application management

“SDS has been managing many of our web and desktop applications for a long time. They are reliable and trustworthy.”

Averlt Wu Client · Automotive Technology Company
Process

Four stages.
In this order.


                
Who we build for

Logistics, distribution, manufacturing -
and the tools no vendor sells.

We do not sell an industry product. What changes between sectors is the process, the vocabulary and the reporting.

Logistics & delivery

Shipment records that stay consistent from booking through to invoice.

Retail & distribution

Stock figures the business can act on without checking them first.

Manufacturing

Production, materials and cost held in the same system.

Wholesale & trading

Margin visible per order, not per quarter.

Service businesses

Work, time and billing tied to the same record.

Internal operations tools

The systems that hold a company together but no vendor sells.

Have a business problem software
could solve?

Tell us what you are trying to improve. We will tell you whether software is the right answer, and what a practical first version looks like.

We usually reply within one business day