EV Charging Software in Singapore
We are an Indian engineering team working with businesses in Singapore. Written scope before any code, and a fixed quote in SGD.
Working hours
Our day runs 09:00 to 18:00 India time, which is 11:30 to 20:30 in Singapore, so from late morning onwards we are on the same working day, and anything you raise first thing is picked up by 11:30.
Quoted in SGD
Quotes exclude the 9% GST in Singapore, shown separately on the invoice.
Data protection
Work for this market is scoped against the Personal Data Protection Act 2012 (PDPA), agreed before development starts rather than retrofitted afterwards.
Written scope
Every engagement starts with a written scope and a fixed SGD quote within 24 hours, so the price is set before work begins.
About EV Charging Software
We build and operate EV charging software, not just write it. buildbyravirai runs PlugEV, a production OCPP 1.6-J charge point management system (CSMS) live on 40+ chargers across two Indian cities since early 2025. We build the full stack an EV charging operator needs: the OCPP gateway that talks to the hardware, RFID and UPI billing with automatic GST invoices, the operator dashboard, and the driver-facing app.
What the engagement includes
- OCPP 1.6-J and 2.0.1 CSMS development
- Charge point management dashboard
- RFID authentication with offline fallback
- UPI and card billing (Razorpay) with automatic GST invoices
- Per-session, time-based, and per-kWh tariff engines
- Driver mobile app and web charging flow
- Load management and smart charging
- OCPI roaming integration
Where the Electric Vehicles Charging Act lands in a CSMS
Singapore regulates charging as a licensed activity, which is the first thing to design around. Since the Electric Vehicles Charging Act 2022 came into force on 8 December 2023, an operator providing charging to the public needs an EV charging operator licence from the Land Transport Authority, and the licence carries conditions that are software obligations as much as commercial ones: maintaining the service uptime of the chargers in the network, holding public liability insurance, and providing charging-related data to LTA. Uptime you have to report is uptime you have to measure, so every availability transition is stored with a reason from the first charger rather than reconstructed from a status dashboard when the return falls due. The charger itself has to be type-approved against the national standard, which was Technical Reference 25 and since 1 April 2026 is Singapore Standard 722, and registered with LTA and carrying its registration mark within 60 days. None of that is the platform's job, but the platform is where the registration mark, the type-approval status and the installation record get recorded per unit, because the question of whether a given charger is lawfully in service will be asked, and asking it against a spreadsheet is how operators fail an inspection.
The second thing that changes is where the chargers are. A large share of Singapore charging is in HDB and private strata car parks rather than at forecourts, and the Act mandates charging provision in developments undergoing specified building or electrical works, so the operator's counterparty is often a town council or a management corporation rather than a landlord. That puts access control and allocation in the product: residents with a registered vehicle, visitors by session, and a report the MCST can read. It also puts the tariff engine next to a landlord agreement rather than a public price list, and the two have to reconcile. Payment is the part a platform built for another market gets wrong first. Drivers here expect PayNow at the point of charge, by QR on the unit or in the app, and a PayNow collection is a push payment: the payer initiates it, there is nothing to hold and capture, and settlement is matched to a session by reference rather than by an authorisation you started. That is a different state machine from a card, and it has to be written in, not configured. GST at 9 per cent is inclusive on any price shown to a consumer, and the receipt has to show the energy delivered, because a driver who can dispute a kilowatt-hour figure will.
How we work with Singapore clients
Singapore is the one market we serve where the working day is simply shared. We are two and a half hours behind you and neither country moves its clocks, so our morning starts partway through yours and the whole of your afternoon is live time for both sides. That changes the shape of an engagement more than anything technical does: a call is booked for the same afternoon rather than the same week, a question raised before your lunch is answered after it, and the written-first method we run for North American clients is a courtesy here rather than a necessity. We keep the written record anyway, with a default chosen on every open decision, because it is the thing an auditor or a new hire can read later and a call is not.
Invoicing is worth stating plainly because the GST position confuses buyers on both sides. We are outside Singapore, so no GST appears on our invoice. Whether you account for it yourself is the reverse charge question, and IRAS's own guidance is that a GST-registered business making only taxable supplies is not affected, while a partially exempt one accounts for it in its own return. We quote in Singapore dollars, the figure holds for the project whatever the rupee does, and payment by bank transfer or Wise avoids the card fees a five-figure invoice does not need. The contract can sit under Singapore law with Singapore courts, and unusually among our overseas markets that clause has teeth: Singapore is a reciprocating territory under section 44A of India's Civil Procedure Code, so a judgment of the Singapore High Court can be executed in India directly rather than re-litigated.
Indicative pricing in SGD
Converted from our published Indian rates and rounded. Exchange rates move, so the figure on your quote is calculated on the day it is issued.
PlugEV
We built an OCPP 1.6-J Central System end to end, including the transaction edge cases and charger firmware quirks that make this work harder than the protocol suggests.
Full service detail
This page covers how we work with clients in your market. The complete EV Charging Software page, with the full technical detail, process and frequently asked questions, is written in English.
Read the full service page (English)Questions Singapore clients ask
How does GST work if you are based in India?
No GST is charged on our invoice, and the invoice says so. Whether you account for it under reverse charge depends on your input tax position: IRAS's guidance is that a GST-registered business making only taxable supplies is not impacted, a partially exempt business or one with non-business receipts accounts for GST on imported services in its own return, and a business that is not registered should ask its accountant, because an exempt business importing more than S$1 million of services in a year can be required to register. We would rather your accountant confirmed your position before the first invoice than reconciled it at year end.
Are you compliant with the PDPA?
We build to it rather than claiming a certificate. The consent, purpose limitation and notification obligations shape the forms and the data model; retention limitation means records are deleted on a schedule rather than kept indefinitely; access and correction requests are features with a queue behind them rather than a manual database job. Processing happens in India, so the transfer limitation obligation applies, and the processor agreement we sign sets out the comparable standard of protection the Act asks for. The obligation to design for early is breach notification: an organisation has three calendar days from determining a breach is notifiable, which means one likely to cause significant harm or one affecting 500 or more people, to tell the PDPC, and answering what was in the breach is only possible if the logging existed beforehand. Appointing a Data Protection Officer is your obligation rather than ours, and we will say so if a design choice would make that person's job harder.
Can we use a PSG or EDG grant to pay for this?
Not PSG. The Productivity Solutions Grant funds pre-scoped packages from pre-approved vendors for Singapore-registered companies, and a custom build from an overseas team is not that shape, so we will not pretend it is. The Enterprise Development Grant is assessed project by project against its own criteria, and whether a build like yours qualifies is a question for Enterprise Singapore or your grant consultant to answer before the scope is written rather than after a budget has assumed it.
We are regulated by MAS. Can you meet the outsourcing requirements?
We can supply what a due-diligence pack asks for, accept audit and access rights in the contract, and name every sub-processor that touches your data. What we will also tell you in the first conversation is what we do not hold: we are not SOC 2 or ISO 27001 certified, and our security page says so in those words. Whether an engagement with us is a material outsourcing arrangement under the MAS guidelines, and what that requires of you, is your compliance team's determination, and it changes the contract before it changes the code, so it belongs in week one.
EV Charging Software: common questions
Which OCPP versions do you support?
We build on OCPP 1.6-J today, which around 95% of chargers shipping in India speak, with a mapped upgrade path to 2.0.1 for certificate security, smart charging, and native payment messages. PlugEV runs 1.6-J in production; we scope 2.0.1 as a defined piece of work rather than assuming it out of the box.
Can drivers pay with UPI at the charger?
Yes. We build UPI and card payment into the charging flow via Razorpay, with per-session, time-based, or per-kWh rating and automatic GST invoices. On OCPP 1.6-J we bridge the payment-to-session link in the backend; we have written a full guide on OCPP and UPI payments.
How much does an EV charging platform cost to build?
A small pilot CSMS starts around S$5,400. A full production platform like PlugEV, with an operator dashboard, driver app, tariff engine, GST invoicing, and the reliability layer, typically runs S$12,000 to S$23,000 depending on scope. Hosting and maintenance are separate. We give a flat INR quote after a scope call.
Do you support RFID cards as well as app payments?
Yes, and both can run on the same network at once. RFID with an offline fallback is how most real-world sessions start; UPI or card covers walk-up drivers. Roughly 70 to 80% of real sessions authenticate by RFID in the networks we have seen.
Can you work with our existing chargers?
If your chargers speak OCPP, and most do, yes. We handle the per-vendor quirks between brands, which is one of the messier parts of running a real fleet. Tell us the charger models and we will confirm fit on the first call.
Other markets we work in
Tell us what you are building in Singapore
Send the scope, or just the problem. You get a written scope and a fixed SGD quote back within 24 hours, from the engineers who would do the work.