Custom Web Solutions

Custom web application development for when off-the-shelf doesn't fit.

Tailor-made web applications and custom functionality — booking systems, portals, integrations and workflows — built around your exact requirements instead of forced into a template.

Some businesses have needs a template theme or standard CMS simply can't handle — a booking flow with specific rules, a customer portal, an internal tool, or an integration between systems that don't talk to each other out of the box. Forcing these into an off-the-shelf platform usually means workarounds that break later.

What's Included

Built around your actual workflow

Requirements scoping

Understanding the actual workflow before writing a line of code.

Custom functionality

Built directly into your website or as a standalone application.

Web portals

For customers, staff, or partners.

Integrations

Between your website and other tools — booking systems, CRMs, payment or logistics providers.

Scalable architecture

Built to grow with your business, not just launch and stall.

Who This Is For

When you've outgrown a template

Businesses with a workflow or feature that doesn't fit neatly into a standard website or store — service businesses needing custom booking logic, companies needing an internal portal, or anyone whose requirements have outgrown a template.

Real Example

Custom functionality in practice

HVAC / Service

ChillCare

Custom functionality doesn't always mean a separate application — sometimes it's a specific feature built into an existing site. The ChillCare project included online booking for installation, repair and AMC plans, built directly into the business's website and tailored to how their service scheduling actually works.

View Portfolio →
Not Sure What You Need?

That's normal — most custom projects start unclear

Most people asking about custom web work don't arrive with a finished spec — they arrive with a workflow that's currently broken, slow, or held together with spreadsheets and WhatsApp messages. The free consultation exists specifically for this: describe the problem as messily as you like, and we'll help figure out whether it needs a full custom build, a smaller feature added to your existing site, or something simpler than you think.

Process

How an engagement runs

01 //

Business Analysis

A detailed look at your workflow and requirements, not a generic template checklist.

02 //

Design

UI/UX built around how your team and customers will actually use it.

03 //

Development

A secure, scalable build with the custom logic your business needs.

04 //

Optimization

Testing, performance tuning and refinement before launch.

FAQ

Frequently asked questions

How is this different from a regular website?

A regular business website or store follows a fairly standard structure. Custom web solutions involve functionality specific to your workflow — things like custom booking logic, internal tools, or integrations that don't come out of the box with any template.

Can you integrate with tools we already use?

In most cases, yes — we scope this during the consultation once we understand which tools and systems are involved.

How do you estimate cost and timeline for custom work?

Custom projects vary widely in scope, so we start with a requirements discussion, then provide an estimate based on the actual complexity involved rather than a flat rate.

Do you provide ongoing support after launch?

Yes — custom builds especially benefit from an ongoing maintenance relationship, since they're not templates with wide community support. We offer support plans to match.

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Built by the AddOnn Tech team We scope and build custom functionality when a standard website or store isn't enough.
Have something specific in mind?

Let's scope it together

Tell us what you need — we'll figure out the right approach and give you a clear estimate.