Custom Software Development
Custom software development, built around your business.
Off-the-shelf tools make you change how you work to fit the software. Custom software does the opposite: it is designed around your processes, your data and your customers, so the system supports the way your business already runs — and the way you want it to grow.
AI Agent BD is a custom software development company in Chattogram, Bangladesh, working with clients worldwide. We take a product from the first conversation to production: discovery, architecture, interface design, development, testing and long-term support, all with one accountable team.
What we build
Customer platforms and portals
Booking, ordering, self-service and account portals that your customers use directly.
Internal business tools
Dashboards, admin panels and back-office systems that replace spreadsheets and manual steps.
Workflow and operations software
Systems that model how work moves through your team, with roles, approvals and audit trails.
Marketplaces and multi-sided platforms
Platforms that connect two groups of users — such as pet owners and veterinarians — with scheduling, messaging and payments.
Legacy modernisation
Rebuilding or gradually replacing ageing systems without stopping the business that depends on them.
Integrations with existing systems
Connecting new software to the payment, CRM, messaging and accounting tools you already use.
How we deliver custom software
Step 01
Discovery
We map your users, processes and constraints, then agree the smallest version worth building first.
Step 02
Architecture and design
A system design and clickable interface you can review before development starts.
Step 03
Iterative development
Short iterations with a working demo at each milestone, so you see progress rather than hear about it.
Step 04
Launch and support
A controlled release with monitoring in place, followed by maintenance and new features as you grow.
Related client work
Veterinary telehealth
RexVet
A telehealth platform for a non-profit veterinary service. Pet parents book live video visits with licensed veterinarians, message their vet securely and receive prescriptions where clinically appropriate.
Visit rexvet.org (opens in a new tab)
Veterinary chat consultations
TalkToAVet
Pet owners ask a licensed veterinary professional a question by chat and get a written answer they keep. An AI assistant gathers the case details first, every licence is checked against state board records, and urgent cases move to the front of the queue.
Visit talktoavet.com (opens in a new tab)
AI agent platform
AIBee
A social AI agent that handles customer support, lead qualification and sales across WhatsApp, Messenger, Facebook, Instagram and Gmail — all from one unified inbox, built on official Meta Business APIs.
Visit aibee.beelabai.com (opens in a new tab)
Custom Software: frequently asked questions
How much does custom software development cost?
It depends on scope, integrations and how many user roles the system has. Small tools and MVPs can start under $5,000, while larger platforms run from $15,000 to $50,000 and above. After a discovery call we send a written proposal with scope, approach and a fixed or ranged estimate.
How long does it take to build custom software?
A focused first version usually takes a few weeks to a few months, depending on complexity. We plan delivery in milestones, each ending in a working demo, and confirm the timeline in the proposal before work starts.
Do I own the source code?
Yes. Once the work is paid for, the source code, designs and documentation belong to you, and the code lives in your own repository.
Why choose custom software over an off-the-shelf product?
Choose custom software when your process is a competitive advantage, when off-the-shelf tools force costly workarounds, or when you need to own the product and its data. If an existing product genuinely fits, we will tell you.
Planning a custom software project?
Tell us what you're building. We reply within one business day with questions and next steps.