Skip to content
CustomCode
Engineer-led software studio

Software that runsyour business.

We design, build and run web platforms, AI agents and immersive websites — one senior team, end to end. Trusted by 200+ businesses across the US and India.

See our workStart your project

Offering Efficient Software Services with Cybersafe Architecture, Towards making the World a Better Place.

Scroll
Who we are

To earn trust by offering efficient software services with cybersafe architecture — towards making the world a better place.

Custom Code is an engineer-led software studio trusted by 200+ businesses — from telecom retailers in the US to growing brands across India. The person who scopes your project is the person who builds it.

A team working across laptops at one shared desk
200+ happy customersUS + India deliveryEngineer-led
01What we do

Six services. One standard.

Every service below is grounded in work we have shipped recently.

Ziatan — production website we built, graded to the studio palette
01

Website Design

Fast, responsive websites that read clearly on every screen and are built to convert.

We design and build websites that load fast, read clearly, and guide visitors to act. Design and engineering happen together, so what you approve is what actually ships. Every site is responsive, SEO-ready, and easy to update. Structure and copy are built around your business rather than adapted from templates.

  • One WordPress platform running retail sites for four telecom brands
  • Switch & Save — brand identity and production website, end to end
  • 75-city landing system with local market data and search
Start a website
iMotors — vehicle marketplace application we engineered
02

Web Application Development

Dashboards, portals and internal tools — secure, tested, and built to grow with you.

We build web applications around real workflows: admin dashboards, customer portals, order pipelines, lead systems. Typed codebases, automated tests and security review are standard practice. Applications ship with monitoring and a runbook, so they stay healthy after launch. When your process changes, the software can change with it.

  • Offers platform with end-to-end tests and an ads-compliance audit trail
  • Full-stack retail site with performance budgets enforced in CI
  • Order-entry integration with telecom provider APIs
Scope an application
Assured Saving — the agentic AI platform we build and operate
New03

AI Agents & Voice Automation

Production AI agents that answer, qualify and follow up — supervised, measured, compliant.

We build AI agents that do real work: multilingual voice agents that handle sales and support calls, and back-office agents that keep your CRM current. Every agent runs inside guardrails — call auditing, compliance-safe wording, human handoff when it matters. We measure against real call recordings and ground truth rather than demonstrations. The result is automation your team can supervise and trust.

  • Multilingual voice sales agent, tuned against audits of real calls
  • CRM outbox with retries and order-ready handoff to human teams
  • Multi-agent operations hub on Google Cloud with dashboards and runbooks
Discuss an agent
Optimum ESP — Spanish-language campaign landing system we built
04

Digital Marketing

Google and Meta campaigns run with the same discipline as our code.

We run search and social campaigns that are measured, compliant and accountable. Landing pages, tracking and ad copy are built together, with clear attribution for every rupee spent. We audit claims before they go live, ensuring nothing is promised that your business cannot support. Reporting is straightforward: spend, results, and next steps.

  • Ads-compliance claims audit for a US offers platform
  • Campaign landing systems for telecom retail brands
  • Organic vs affiliate traffic separation for honest attribution
Plan a campaign
Frame from the studio's own 3D brand film
New05

3D Immersive Websites

Real-time 3D and cinematic scroll for brands that need to be remembered.

For launches and flagship pages we build immersive experiences: real-time 3D scenes, scroll-driven sequences, interfaces with depth. Everything is engineered to a performance budget, with a calm mode for reduced-motion visitors. Every experience must run smoothly on a mid-range phone before it ships.

  • Real-time 3D truck walkaround for a US moving company
  • Scroll-driven cinematic sequences built and tuned to performance budgets
  • Device-tiered WebGL scenes with reduced-motion fallbacks
Start your project
Operations console — VPN status, checksum verification, service health (representative output)
New06

Cloud, DevOps & Security

Hosting, deploy pipelines, VPNs and audits — the foundational work that keeps you online.

We set up and run the infrastructure under your software: cloud servers, deployment pipelines, DNS, backups, VPNs. Security is routine — hardening, access control, and audits with written findings and fixes. When something breaks, there is a runbook and an engineer who knows your stack. You own every account and credential.

  • Agent platform deployed on Google Cloud — runbooks, audit findings fixed and verified
  • WireGuard VPN deployment and server operations on Linode
  • Large-scale data migration verified file-by-file with SHA-256
Talk infrastructure
02Selected work

Real projects, honest scope

Each entry describes exactly what we delivered. Ask us about any of them.

in production
Switch & Save — screenshot

Switch & Save

Telecom-comparison brand built end to end — identity, production website, editorial copy, deployment.

BrandNext.jsHostinger
in production
AI Voice Agent Platform — screenshot

AI Voice Agent Platform

Multilingual outbound voice agent with call auditing, compliance-safe framing and CRM handoff.

AI AgentsVoiceCRM
ezinternet.services
EZ Internet Platform — screenshot

EZ Internet Platform

One WordPress platform powering retail sites for four telecom brands, with city pages and search.

WordPressMulti-brandSEO
in production
Urban Wireless USA — screenshot

Urban Wireless USA

Full-stack retail website with performance budgets enforced in CI and a static-export deploy pipeline.

Next.jsFull-stackCI
in production
Piece of Cake Moving

Piece of Cake Moving

Marketing site with a real-time 3D truck walkaround and a lead-capture bridge.

3DWebGLLeads
oneclickaway.co
One Click Away — screenshot

One Click Away

Offers platform with end-to-end tests, per-field attribution and an ads-compliance claims audit.

Next.jsComplianceTesting
in production
VedaGPT

VedaGPT

Retrieval-based knowledge assistant over a large spiritual text corpus.

AIRAGSearch
customcode.in
customcode.in — screenshot

customcode.in

This site — the amber brand system, evidence-based copy, and GSAP motion design presented here.

BrandGSAPDesign system
03Case studies

Three builds, end to end

Context, what we built, and current status — reported without embellishment.

Switch & Save — product screenshot

Switch & Save

A telecom-comparison brand, built end to end

A US telecom retail venture needed a brand and a production website that could hold its own against national comparison sites — on an independent budget.

Stack:
Next.js · TypeScript · Tailwind · Hostinger static + PHP
In production

What we built

  • Designed the full identity: logo suite, color system, iconography
  • Built the production site with a custom coverage-map hero
  • Rewrote every page in a human editorial voice
  • Set up static hosting with a PHP lead bridge on Hostinger
US telecom sales operation — product screenshot

US telecom sales operation

A voice agent proven on real phone calls

Outbound telecom sales needed consistent, compliant conversations across languages — without losing the human handoff that closes orders.

Stack:
Python · LLM voice stack · Zoho CRM · Google Cloud
In production, under continuous audit

What we built

  • Built a multilingual voice sales agent with answering-machine detection
  • Tuned behavior against audits of real recorded calls rather than synthetic tests
  • Enforced compliance-safe wording for savings claims
  • Wired a CRM outbox with retries and an order-ready handoff spec
EZ Internet Services — product screenshot

EZ Internet Services

One platform, four retail brands

A telecom retailer needed separate storefronts for Spectrum, Xfinity, Kinetic and Altfiber offers — without four times the maintenance.

Stack:
WordPress · PHP · custom theme platform · Hostinger
In production across multiple brands

What we built

  • Built one WordPress theme platform powering all four brand sites
  • Added a 75-city landing-page generator with local market data and search
  • Standardized offer components so pricing updates land once
  • Handled hosting, previews and deployments on Hostinger
04How we work

A simple, proven process

Three steps — the same path every project follows from first conversation to production.

  1. 01

    Consultation

    A structured conversation about your business: what is costing you time or customers, and whether software is the right solution. You leave with a clear scope and a transparent price.

  2. 02

    Demonstration

    You see the solution working before committing to the full build — a functional demonstration you can click through, respond to, and reshape while change is still inexpensive.

  3. 03

    Digital Solution

    We build, deploy, and remain accountable. Launch includes hosting, monitoring, and a runbook — with ongoing support from the engineers who built your system.

0+

Happy Customers

0

Core Services

0+

Brands Served

05Clients

Trusted by working businesses

From telecom retailers scaling across US states to founders launching their first product — the work differs every time; the standard does not.

Client logos: Urban Wireless, Thorgdg, Knesek, SRJ, Hare Krishna Mandir, Ekalavya, Ziatan, iMotors, EZ Wireless, EZ Internet, Assured Saving, One Click Away
06Founder-led

Senior engineers, directly accountable

Custom Code is led by Karthik. Every project is scoped, built, and supported by the same senior engineers, accelerated by modern AI tooling where it adds real value. We stay deliberately small: senior attention on every build, accountable end to end.

Late-night engineering — the studio's natural habitat

Karthik

Founder & Lead Engineer

“To Earn Trust by Offering Efficient Software Services with Cybersafe Architecture, Towards making the World a Better Place.”

Ready when you are

Start Your Project

Tell us what is slow, manual, or missing. We will outline what we would build, what it costs, and how long it takes — in plain language.

Start your projectCall us today · +91 9483 440 626
For all your queries

Let's talk today

Write to us about your project — or the idea you are still weighing. You will hear back from an engineer directly.

Call us+91 9483 440 626Email us[email protected]

A simple check that you're human — no tracking, no third parties.