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- Maintenance has four parts: corrective, preventive, adaptive and improvement work.
- Hosting, licences and third-party services are recurring costs, separate from developer time.
- A retainer with a defined scope beats ad hoc calls when something breaks at night.
- Neglect compounds: skipped updates become expensive migrations.
Why launch is not the finish line
New owners often think of software like a building: once handed over, it stands. In practice it is closer to a vehicle. The code you receive runs on a server, a framework, a database, a browser and several third-party services, and every one of those keeps changing. A payment gateway updates its API. A PHP or Node version reaches the end of support. A browser change breaks a script that worked last year.
Users also change. After a few weeks of real use they ask for a filter, a report, a different approval step. Those requests are healthy, and they cost money. If the budget stops at launch, the choice becomes either an unhappy team or an emergency spend later.
We cover the cost side of the build in how much custom software development costs in Pakistan. This post is about the part that runs after.
A useful habit is to ask, for every component, who gets the alert when it fails. If the answer is nobody, that component is unmaintained, whatever the contract says.
Four kinds of maintenance work
Naming them helps you see what you are paying for.
Type | What it covers | Example |
|---|---|---|
Corrective | Fixing defects found in use | A report shows the wrong total for part-month data |
Preventive | Reducing future risk | Upgrading a framework before it loses support |
Adaptive | Keeping up with outside changes | Updating a courier or payment integration after the provider changes it |
Improvement | Small enhancements | Adding an export or a new status to an order |
Operational | Keeping it running | Backups, monitoring, log review, disk space, certificates |
How the work is usually split between vendor and owner
Maintenance goes smoothly when responsibilities are explicit. The vendor typically owns code-level work: patching, defect fixes, upgrades and deployments. The owner usually holds business decisions: which requests to approve, who can access production data, and what the acceptable downtime is. Hosting accounts, domains and payment gateway credentials belong to the owner even when the vendor operates them.
A short responsibility chart, kept in the same folder as your documentation, prevents the awkward moment when an incident happens and each side assumes the other has it. Include contact numbers, an escalation path and a backup contact for each side. Review it whenever staff change.
If you run several systems, consider the DevOps and cloud services route, where monitoring, deployments and backups are handled as one managed layer instead of per-project habits.
The line items to include in your budget
Put each of these on a sheet and give it an owner.
- Hosting and infrastructureServers or cloud services, databases, storage, bandwidth and a staging environment.
- Domain, SSL and emailSmall items, but expired certificates take systems offline.
- Third-party servicesSMS, WhatsApp Business messaging, maps, payment fees and any paid libraries. Check each provider's current terms.
- Security updatesOperating system, framework and package patches, applied on a schedule.
- Backups and recovery testsAutomated backups plus periodic restore drills.
- Monitoring and alertsUptime checks, error tracking and someone who receives the alerts.
- Developer support hoursBug fixes, small changes and answering questions from staff.
- A reserve for upgradesMajor version jumps happen every few years and need planned effort.
What neglect looks like in practice
Unmaintained systems rarely fail in one dramatic moment. They degrade. Pages slow as the database grows. An SSL certificate lapses and browsers warn customers away. A plugin with a known vulnerability stays installed for two years. Staff invent workarounds and stop trusting the data, which is the worst outcome because the system then exists only on paper.
Security is the sharpest risk. Attackers scan the internet for old versions of popular frameworks and content systems, and they do not care that your company is small. Patching on a schedule is dull, cheap compared with an incident, and one of the few things fully in your hands.
There is also a people risk. Developers who built the system move on, and knowledge goes with them. Short written notes, a README in the repository and a recorded walkthrough of the deployment process are cheap insurance. They also make any future handover to a new vendor or to an internal hire quicker and cheaper. If a vendor resists documenting things, treat that as information about how they work.
Planning the first year after go-live
The first year is different from later years. Expect more fixes as real data and real users expose gaps, a handful of requested improvements from staff, and at least one upgrade cycle. Many owners reserve a block of hours for the first three months specifically for this, and review how much was used before agreeing the longer-term arrangement.
Keep a simple log of incidents and requests. After a quarter you will see patterns: the same screen confusing people, an integration that keeps timing out, a report that always needs adjusting. Those patterns tell you where to invest, and they give you facts for the conversation with your vendor at renewal.
Support models: retainer, hours bank or pay as you go
Pay-as-you-go looks cheapest until something breaks on a Friday and nobody is available. A retainer gives you a named team, a response commitment and a planned amount of monthly work. An hours bank is a middle path: you buy a block of time and draw it down, which suits stable systems with occasional changes.
The right choice depends on how critical the system is. A booking system that takes orders all day needs faster response than an internal report tool used once a week. Ask any vendor what the response time is for an outage, what counts as urgent, and how out-of-hours work is handled. Our software maintenance and support page describes how we structure it.
For systems built on Odoo or ERPNext, the details differ because customisations must survive platform upgrades. See module upgrades and keeping customisations for that angle.
Setting up a maintenance plan after go-live
A short routine is better than a thick contract nobody reads.
- Take inventory at handoverList servers, domains, repositories, credentials, services and who owns each account.
- Define severity levelsAgree what counts as an outage, a serious defect and a minor issue, with target response times.
- Schedule recurring tasksPatching, backup checks and certificate renewals go on a calendar with an owner.
- Create a change queueCollect requests in one place and review them monthly with priorities.
- Report monthlyA short summary of incidents, work done, hours used and risks coming up.
- Review the plan twice a yearAdjust scope as usage grows or the system changes.
Cost drivers specific to maintenance
These explain why two similar systems can have very different running costs.
Driver | Why it raises effort | What helps |
|---|---|---|
Number of integrations | Each external service changes on its own timetable | Wrap each in one module and monitor it |
Custom code volume | More code means more to patch and test | Retire unused features |
Traffic and data growth | Slower queries and larger backups | Indexing, archiving, capacity reviews |
Compliance needs | Audit logs, access reviews and retention rules | Build them into routine tasks |
Team turnover | Context lost between developers | Documentation and a stable vendor |
Budgeting notes for Pakistan-based teams
Electricity and connectivity are real operational issues locally. If your system is hosted on a server in your office, load-shedding and an unstable connection will cause downtime no developer can fix. Move production to a reputable data centre or cloud provider and keep the office only for access.
Plan for currency movement as well. Cloud services and licences are billed in dollars, while many local budgets are in rupees, so a fixed rupee amount can drift. Revisit the budget at each renewal. Also keep access in your own name: domain registrar, hosting account and repository should belong to your company, not to an individual developer who may leave.
Finally, if your team has grown and you are considering hiring people instead, the article on in-house, outsourced and dedicated teams helps you compare the models.
Mistakes that make maintenance expensive
Most of these are decisions, not accidents.
- No documentationThe next developer spends the first weeks reading code instead of fixing things.
- Skipping upgrades for yearsA small update becomes a risky migration. Legacy cases are covered under legacy software modernization.
- Single person dependencyOne developer holds every password and all knowledge.
- No staging environmentFixes tested on the live system risk new faults.
- Untested backupsA backup that cannot be restored is only a comfort.
Junaid's take
In my experience, buyers who treat maintenance as optional end up paying more, only later and in a hurry. When a client asks me what a sensible number is, I do not give a fixed one. I ask how much the system matters to daily revenue and how quickly it must be fixed, then we shape support around that.
My recommendation is to agree the support model before the build finishes, not after. Put the response times in writing, keep ownership of every account, and ask for a monthly report so the spend never feels like a mystery.
If your system is already live and nobody is looking after it, start with an audit of servers, versions and backups. Talk to us about a review and we will list what is at risk. Teams who are choosing a vendor can also read how to choose a software development company.
Junaid has worked on software development for more than 18 years, across SEO, paid media, web development and custom software. He founded SEOnumber1, builds WordPress plugins, CRMs and web applications, has served 500+ clients in 48 countries, and holds Google Ads, Analytics and Google Blue and Green Belt certifications. He is a National Level Award Winner in Digital Marketing. Read his story or ask a question about this article.