Custom Software Development

When off-the-shelf tools force you to bend your process to fit their design, we build software that fits your business instead — from internal platforms to customer-facing products, architected to scale with you.

Two of the most common shapes this takes are a custom CRM or ERP system built around your actual process, or a multi-tenant SaaS product if you're productizing that software for other companies to use.

3

Plants running on one scheduling system (Kettlewell Manufacturing)

98%

Client retention

24hr

Average response time

Why Avenva

What sets working with us apart

You own the code

No proprietary lock-in — the repository, infrastructure, and IP are yours from day one.

No vendor lock-in

Standard, well-documented stacks, so your next team (or ours) can extend it without a rewrite.

One team, start to finish

The same engineers scope, build, and support your project — no hand-offs between sales and delivery.

Direct access to engineers

You talk to the people writing the code, not an account manager relaying messages.

Fixed-scope, transparent pricing

Clear estimates before work starts, and no surprise change orders for work that was always in scope.

Support after launch

Launch day isn't the finish line — we stay on for monitoring, fixes, and iteration.

What's included

What we deliver

Requirements & systems design

We map your real workflows first — the exceptions and edge cases your team works around daily — then design software architecture around how the business actually runs, not how it's described in a slide.

Full-stack product builds

End-to-end development across frontend, backend, database, and infrastructure, owned by one team instead of stitched together across vendors who each blame the other when something breaks.

Legacy modernization

Incrementally replace aging systems without a risky big-bang cutover — the business keeps running on the old system while the new one earns trust piece by piece.

Long-term ownership

Clean, documented codebases your own team can pick up and extend with confidence, not a black box that only makes sense to the people who built it.

Is this you?

Where this actually pays off

You've outgrown Airtable, spreadsheets, or a patched-together stack

When the workaround has more workarounds than the actual process, it's usually cheaper long-term to build the real thing than keep patching the makeshift one.

Off-the-shelf software makes you bend your process to fit it

If your team has developed rituals around a tool's limitations — manual exports, side spreadsheets, workarounds everyone just knows — that's the software costing you more than its license fee.

You're supporting a system nobody fully understands anymore

Original developers gone, no documentation, everyone afraid to touch it. We can map what it actually does and modernize it without the business holding its breath.

You need software that's actually yours

No vendor lock-in, no per-seat pricing that scales against you — a codebase your own team owns and can extend indefinitely.

Our approach

How we run this engagement

01

Discovery

Understand the business process the software needs to serve.

02

Architecture

Design a system that fits your scale, budget, and timeline.

03

Build

Iterative delivery with working software from early in the engagement.

04

Handoff & support

Documentation, training, and an ongoing support plan.

Tech we use

Built on a proven, modern stack

Node.js

A fast, well-supported runtime for the business logic and APIs your software runs on.

Python

Readable and battle-tested for data-heavy or integration-heavy backend work.

TypeScript

Types that document intent and catch mismatches before they become production bugs.

PostgreSQL

A relational database that holds up as your data model gets more complex over time.

AWS

Infrastructure that scales with usage instead of forcing a rebuild at your next growth stage.

Docker

Your software runs the same on a laptop, in staging, and in production.

Proof

Work we've shipped like this

“We needed a CMS that let our team update the site as fast as we update our portfolio. Two years later it still holds up exactly like that.”

ET

Elise Tran

Founder, Cinderbrook Studio

Questions

Things people ask before starting

Can't find what you're looking for? Reach out and we'll answer directly.

SaaS tools are usually the right call when your process matches what the tool assumes. Custom software earns its cost when your workflow doesn't fit that mold, or when per-seat pricing starts working against you at scale — we'll tell you honestly if a SaaS tool would serve you better.