Our Custom Software Development Services build production-grade web, mobile, and AI-powered software for startups, SaaS, and enterprise teams. Senior engineers, weekly demos, full code ownership. From a focused MVP to a multi-team platform, you get a system that actually scales and the source code to back it.
Schedule a call
150+
Products Shipped
60+
Engineers In-House
96%
Client Retention
Built for teams at specific moments.
Make the right call, before you sign anything.
Most teams pick the wrong shape before they pick the wrong vendor. Here is the honest trade-off across the dimensions that actually matter eighteen months in.
| What matters |
Recommended
Custom build
|
Common alternative
Off-the-shelf SaaS
|
Other path
Low-code platform
|
|---|---|---|---|
| Time to first value | 8 to 16 weeks to MVP | Days, but only what the vendor shipped | Weeks, fast for simple flows |
| Fit to your workflow | Built around how you actually operate | You change your business to match the tool | Constrained by the platform primitives |
| Long-term cost (3 years) | Flat after launch, no per-seat tax | Per-seat fees grow with your team | Platform fees plus enterprise tier locks |
| Ownership and IP | Your code, your cloud, your IP | Vendor owns the runtime and your data flows | Locked to the platform vendor |
| Scale ceiling | Engineered for the volume you are heading to | Tiered limits, expensive at scale | Often caps out below enterprise volume |
| Compliance posture | Your audit, your trail, your controls | Vendor controls, you inherit their gaps | Platform handles most, you cannot deviate |
| Exit cost | Codebase moves with you, always | Export, migrate, rebuild integrations | Rebuild the whole thing on a new stack |
As a Custom Software Development company, we ship full-lifecycle builds, from a one-team MVP to a multi-pod platform. Pick the surface that matches your stage, add the rest as you scale.
Custom Software Development Services built around your business logic, your data model, and your scale targets. Bespoke web and back-end systems with web design company craft. Not a template, not a configured SaaS, real software that does what off-the-shelf cannot.
Domain modelingAPI-firstTypeScript and Go
Custom Software Development Services built around your business logic, your data model, and your scale targets. Bespoke web and back-end systems with web design company craft. Not a template, not a configured SaaS, real software that does what off-the-shelf cannot.
End-to-end SaaS builds with multi-tenancy, billing, role-based access, and analytics from day one. Our work as a SaaS development company has shipped marketplaces, vertical SaaS, and B2B platforms that grew into eight-figure ARR businesses.
Multi-tenantStripe readyUsage analytics
End-to-end SaaS builds with multi-tenancy, billing, role-based access, and analytics from day one. Our work as a SaaS development company has shipped marketplaces, vertical SaaS, and B2B platforms that grew into eight-figure ARR businesses.
Native iOS and Android mobile app development or cross-platform with Flutter and React Native, paired with mobile app design and UI UX design company work. Production apps with offline mode, push, deep links, and the testing harness needed for a release every two weeks.
iOS and AndroidFlutter and RNApp Store ready
Native iOS and Android mobile app development or cross-platform with Flutter and React Native, paired with mobile app design and UI UX design company work. Production apps with offline mode, push, deep links, and the testing harness needed for a release every two weeks.
LLM-powered features, RAG pipelines, ML scoring, and on-device inference embedded into the products you ship. We deliver chatbot development company work and IoT development for connected products. We treat AI as engineering, with evals, guardrails, observability, and a clear cost ceiling.
LLM and RAGEvals and guardrailsCost-bounded
LLM-powered features, RAG pipelines, ML scoring, and on-device inference embedded into the products you ship. We deliver chatbot development company work and IoT development for connected products. We treat AI as engineering, with evals, guardrails, observability, and a clear cost ceiling.
Strangler-fig migrations off legacy PHP, .NET, and on-prem Java without a platform freeze. We replace one bounded context at a time, keep the lights on, and ship the new system into production in parallel.
Strangler patternZero-downtimePhased cutover
Strangler-fig migrations off legacy PHP, .NET, and on-prem Java without a platform freeze. We replace one bounded context at a time, keep the lights on, and ship the new system into production in parallel.
Infrastructure as code on AWS, GCP, or Azure, CI/CD that ships in minutes, observability you can act on, and a platform layer that lets product teams move fast without breaking production.
IaC and GitOpsMulti-cloudSRE practices
Infrastructure as code on AWS, GCP, or Azure, CI/CD that ships in minutes, observability you can act on, and a platform layer that lets product teams move fast without breaking production.
You do not need to ship every layer on day one.Tell us where you are. We will tell you where to start.
What we've shipped, across categories.
Different product shapes, same engineering discipline. Whatever the category, you get the same senior pod, the same delivery cadence, and the same full code ownership at handover.
Replace ten spreadsheets with one source of truth.
Operator portals, back-office workflows, and ops dashboards that replace ten spreadsheets with one source of truth.
Procurement, inventory, manufacturing, and finance workflows wired into your existing systems without rip-and-replace.
Sales, service, and customer success platforms with the data model and automations a generic CRM cannot bend to.
Where money actually moves through your product.
Two-sided and three-sided platforms with discovery, escrow, settlement, and the trust signals that keep both sides on it.
Usage-based pricing, dunning, proration, revenue recognition, and tax handling that survives an auditor.
Real-time availability, capacity rules, payments, reminders, and the cancellation logic that protects revenue.
What your end users actually touch.
Patient portals, EMR adjacencies, claims workflows, and HIPAA-aware mobile apps built for clinical reality.
Native and cross-platform apps with offline mode, push, deep links, and the App Store posture to ship every two weeks.
Live operating dashboards, embedded analytics, and self-serve reporting on top of your warehouse, not bolted onto it.
Software for every vertical.
Our technology
A modern, production-tested toolkit chosen for performance, security, and long-term maintainability. Pick what fits your roadmap, swap what does not, own all of it at handover.
AI inside our delivery, not just on the slides.
AI is a tool in our delivery pipeline, not a marketing line. Here is how it actually changes the work, the speed, and the quality of what we hand over.
Senior engineers pair with Cursor and Copilot on the parts of the codebase where it earns its keep, with a typed style guide and code review gates so generated code clears the same bar as hand-written.
Every PR gets a second pass from an AI reviewer tuned to our coding standards before a human reviewer steps in. Catches the boring stuff, frees engineers to argue about design.
When the product itself has AI in it, we ship with a test harness, golden datasets, and live eval dashboards. No silent regressions when a model version flips.
Faster competitive teardowns, requirements drafts, and architecture options. You get more shape on the problem in the first two weeks, not the first two months.
Every line of AI-generated code is reviewed by a senior engineer and ships under your IP, the same as anything else we write. No model-generated code goes to production unattended.
You work with engineers who have built and shipped real production systems. As your Custom Software Development company, no account managers, no juniors learning on your code, no offshore pass-through. The pod that scopes the work is the pod that ships it.
Your repository, your cloud account, your IP. A Custom Software Development company should never charge license fees after handover or embed proprietary runtimes. Everything we ship is yours to read, fork, and run forever.
Two-week sprints with a working build at the end of every one. You see real progress every Friday, not a Gantt chart in a status doc. If something is off track, you hear about it before the demo, not after.
SAST scans on every PR, SBOMs on every release, secrets in a vault, audit trails by default. We architect to SOC 2, ISO 27001, and DPDP from the first commit so audits do not become last-minute rewrites.
Selected work Real outcomes.
Selected projects across fintech, healthcare, logistics, hospitality, and SaaS.
View All Case StudiesOur achievements display our capabilities
Trusted voices. Real outcomes.
“We truly appreciated their dedication, technical expertise, and problem-solving approach.”
Young Onion
Department Head
“I was blown away by the knowledge the team had about creatives, e-commerce, website design, and optimization.”
Decathlon Sports India
Image Leader
“They have a good team of designers and project managers who help us with the designs using HTML, Angular, and React.”
Instarama
COO
“Their creativity stands out. A collaborative team that delivered high-quality solutions working closely with us.”
CodeGama LLP
Business Developer
“The product has become more intuitive and user-friendly. Load times dropped significantly after their work.”
Qoruz
Co-Founder
“Their commitment to timely delivery was impressive.”
CurleyStreet Media
Business Development Rep
“We truly appreciated their dedication, technical expertise, and problem-solving approach.”
Young Onion
Department Head
“I was blown away by the knowledge the team had about creatives, e-commerce, website design, and optimization.”
Decathlon Sports India
Image Leader
“They have a good team of designers and project managers who help us with the designs using HTML, Angular, and React.”
Instarama
COO
“Their creativity stands out. A collaborative team that delivered high-quality solutions working closely with us.”
CodeGama LLP
Business Developer
“The product has become more intuitive and user-friendly. Load times dropped significantly after their work.”
Qoruz
Co-Founder
“Their commitment to timely delivery was impressive.”
CurleyStreet Media
Business Development Rep
“Simply put, the quality of their code is excellent. They integrated third-party software and ensured GDPR compliance.”
VIA IOM
Director
“What impressed us most was how well they understood our brand and translated it into clean, thoughtful designs.”
GD Farm Fresh
Director
“Their team was patient, courteous, responsive, and technically proficient throughout the entire project.”
Studio by Nandita Manwani
Partner
“Zethic Technologies generally delivers on time and in line with our requirements – deployed in 30+ countries.”
SABA Hospitality
Executive Director
“Zethic built the features specifically to match our internal workflow and business needs. Professional and on time.”
Coral Publishers
Executive
“Zethic Technologies is a true partner.”
Geordana
CEO
“Simply put, the quality of their code is excellent. They integrated third-party software and ensured GDPR compliance.”
VIA IOM
Director
“What impressed us most was how well they understood our brand and translated it into clean, thoughtful designs.”
GD Farm Fresh
Director
“Their team was patient, courteous, responsive, and technically proficient throughout the entire project.”
Studio by Nandita Manwani
Partner
“Zethic Technologies generally delivers on time and in line with our requirements – deployed in 30+ countries.”
SABA Hospitality
Executive Director
“Zethic built the features specifically to match our internal workflow and business needs. Professional and on time.”
Coral Publishers
Executive
“Zethic Technologies is a true partner.”
Geordana
CEO
A four-phase delivery model that ships production software on a real timeline. Not a Gantt chart, a working build.
Book a call{ 01 }· 1 to 2 weeks
We map your goals, constraints, integrations, and non-functional requirements. You walk out with a reference architecture, a scoped backlog, a tech selection, and a realistic timeline.
{ 02 }· 2-week sprints
UX flows, design system, API contracts, and the core product built in agile sprints with a working demo every two weeks. CI/CD, code review, and SAST scans wired in from the first commit.
{ 03 }· Before go-live
Penetration testing, load testing, accessibility audit, third-party security review, and pre-launch staging on production-equivalent infrastructure. Nothing ships without a green checklist.
{ 04 }· Launch and ongoing
A staged rollout, real-time observability, on-call handover, and weekly product reviews after launch. We tune, ship features, and back the system with an SLA you can actually plan against.
Engagement models, built to fit.
Senior engineers in your workflow, shipping every sprint. Choose the contract shape that matches your stage, your budget, and how much in-house engineering you already have.
A scoped build with a defined deliverable, timeline, and price. Best for MVPs, internal tools, and platform launches with a clear definition of done.
A senior pod embedded in your tools and rituals, shipping every sprint. Best for product teams that want capacity without a six-month hiring cycle.
Custom Software Development Services means designing and building software around the specific way your business operates, instead of forcing your workflows into an off-the-shelf product. That covers the architecture, the codebase, the integrations, the data model, and the UI. The result is a system that does exactly what you need, runs on infrastructure you own, and can be changed as the business changes.
It depends on scope, integrations, compliance needs, and how many platforms you are targeting. A focused MVP is usually a fraction of a full enterprise platform. After a 30-minute scoping call we share an honest band, and we break the build into milestones so you can stop at any point with a working system.
A focused MVP with a working web app, basic admin, and two or three integrations usually takes 12 to 16 weeks. A full enterprise platform with multiple roles, complex workflows, and a mobile app typically runs 6 to 12 months. You see a working build every two weeks, so progress is visible long before launch.
Off-the-shelf software gives you 80 percent of what most companies need, fast. Custom software is the answer when your workflow, data model, or compliance posture is the differentiator. The trade-off is upfront cost and timeline. The payoff is a system that does not force you to change your business to fit a vendor roadmap.
Three. A fixed-scope project with a defined deliverable, timeline, and budget. A dedicated team embedded in your workflow on a monthly contract, shipping every sprint. And staff augmentation where senior Zethic engineers fill specific roles inside your existing team. We help you pick the model that fits your stage.
You do, fully. Code lives in your repository, the cloud account is in your name, and the IP belongs to you. We do not white-label, we do not embed proprietary runtimes, and we do not charge license fees after handover. That is the whole point of working with an engineering partner instead of a platform vendor.
Security is treated as engineering, not a checklist. SAST and dependency scans run on every PR, secrets sit in a vault, infrastructure is least-privilege by default, and SBOMs ship with every release. We architect to SOC 2, ISO 27001, GDPR, DPDP, HIPAA, and PCI DSS as needed, so audits do not become last-minute rewrites.
Yes. We offer SLA-backed monitoring, on-call response, performance tuning, security patching, and feature work after launch. Support plans flex with how critical the system is and how much you want us involved. You can also take the codebase in-house at any point, we transfer cleanly.
Cost transparency, before the call.
Most agencies will not put a number on the page. Here is the honest band by build type, plus the five things that actually move the number once we scope your specific project.
| Tier comparison | Pre-launch / Seed stage Focused MVP $25K - $80K ₹20L - ₹65L |
Most chosen
Series A ready Production product $80K - $250K ₹65L - ₹2Cr | Series B and beyond Enterprise platform $250K - $700K ₹2Cr - ₹5.5Cr | Ongoing capacity Embedded pod from $22K / month from ₹18L / month |
|---|---|---|---|---|
| Timeline | 8 to 16 weeks | 4 to 6 months | 6 to 12 months | Sprint-by-sprint |
| What you get |
|
|
|
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How many user roles, screens, and workflows. Three roles is not three times two, it is closer to six.
Every external system (payments, CRM, ERP, identity) adds discovery, contract testing, and failure handling.
SOC 2, HIPAA, PCI, RBI, and similar add architecture constraints, audit work, and pre-launch reviews.
Web only is one stack. Add native iOS, native Android, or desktop and the matrix and team size both grow.
A senior-heavy pod ships faster and rewrites less, but the monthly burn is higher. We size to your stage.
Bands include design, engineering, QA, DevOps, and PM. Hosting, third-party fees, and licenses are billed at cost.
Tell us your stage, your goal, and where you are stuck. A senior engineer replies inside one working day. No SDR, no slideware, no twelve-step qualification.
Tell us where you are
Building from scratch, modernizing, or scaling past your team. Share the context. We sign an NDA before any specifics.
Speak to an engineer
A senior engineer joins the call within two working days to map your goals, constraints, and the shortest path to working software.
Get a real plan
A reference architecture, a scope band, and an engagement model tailored to your stage. Working build, not slideware.
Tell us your stage, your goal, and where you are stuck. A senior engineer replies inside one working day. No SDR, no slideware, no twelve-step qualification.
