What CTO as a service is, and when to hire one

CTO as a service, also called a fractional CTO, is a senior technology leader who works for your company a fixed number of days each month, on contract. The person owns architecture decisions, the technology roadmap, vendor oversight and hiring plans, without the cost of a full-time executive. It suits Indian companies whose technology choices now carry real money or legal risk, but whose business does not yet need a CTO on the payroll.

What a CTO decides

A CTO answers the questions that no single engineer or vendor is placed to answer. Each area below ends in a written output, so the work survives the person.

How the options compare

Companies usually weigh four routes. They differ in time, accountability and what you get at the end.

A delivery lead works for the firm doing the build. A CTO works for you.

Seven situations where it fits

• You are about to sign a software contract that nobody on your side can judge.
• The founder is not technical and the first engineers are contractors.
• An ERP or portal runs on one vendor's code, and nobody at your company can read the contract or the repository.
• An investor or lender has started asking technology questions in due diligence.
• The in-house team has grown, and every decision waits for one senior engineer.
• Customer data now sits in your systems, and nobody owns the legal duties that follow.
• Three vendors work on three systems, and no one owns how they fit together.

If one of these describes you today, the decision behind it needs an owner.

Two Indian rules that land on the technology owner

Neither rule names a CTO. Both name your company, so someone has to own the evidence.

CERT-In directions (28 April 2022). According to the directions, any body corporate, service provider or government organisation must report listed cyber incidents to CERT-In within six hours of noticing them, and must also keep logs of its ICT systems for a rolling 180 days, inside Indian jurisdiction. A CTO checks that your systems actually produce those logs and that someone knows the six-hour clock exists. Source: CERT-In Directions under section 70B(6).

DPDP Rules, 2025. According to the Press Information Bureau, the government notified the rules under the Digital Personal Data Protection Act, 2023 in November 2025, with an 18-month phased timeline for compliance, and a failure to notify a breach can attract one of the larger penalties in the Act's Schedule. A CTO maps where personal data lives, who can read it, and which vendor holds a copy. Source: PIB, DPDP Rules notified. For the AI side of this, see the DPDP Act and AI systems.

When you do not need one

A CTO as a service is the wrong tool in four cases:

• You buy one packaged product and build nothing.
• You already have a senior technical lead who makes these decisions.
• You need hands to write code. That is a team, not a CTO. See ODC, staff augmentation, BOT and GCC compared.
• You need someone in the building every day.

What to put in the contract

A fractional role goes wrong when the scope is a title and not a list. Ask for these in writing:

1. Days per month, named, with a notice period for changing them.
2. Decision rights. Which decisions the CTO makes, which they recommend, and which need your approval.
3. Written outputs. Decision records, a risk register and a roadmap, stored in your own workspace.
4. Independence. If the CTO's employer also sells software development, state who approves the choice of vendor.
5. Access in your name. Cloud accounts, repositories and domains sit under your company, with the CTO as an invited user.
6. A handover clause. On exit, the CTO hands over open decisions and credentials in a set number of days.

What the first weeks look like

1. Read what exists: contracts, repositories, architecture notes, invoices from cloud and software vendors.
2. Interview the people who build and use the systems.
3. Write the risk register, ranked by cost of failure.
4. List the open decisions and rank them by what blocks money or compliance.
5. Draft the roadmap with the first three items fully specified.
6. Review the largest vendor contract against the roadmap.

What it costs

The price of a fractional CTO follows four drivers, and a quote should show each one.

• Time per week or month. Days of senior time are the main cost. Ask for the day rate and the number of days, not a single monthly figure.
• Scope. Advising on one vendor choice costs less than owning architecture, hiring and security together.
• Duration. A short engagement for a decision is priced differently from a standing role, and standing roles usually carry a minimum term.
• Engagement form. One named person costs differently from a firm that adds reviewers or engineers behind the role.

Compare the result with the full cost of a hire: salary, provident fund, recruiting fees and the months a search takes. Published rates differ widely between providers, so a written scope, as in the previous section, is what makes two quotes comparable. For how quotes are built in general, see what drives the cost of custom software in India.

Questions buyers ask

What is the difference between a fractional CTO and a CTO as a service?
The terms are used for the same arrangement: a senior technology leader on contract for set days. "CTO as a service" often implies a firm behind the person, which can add engineers or reviewers.

How many days a month does a company need?
A company in a vendor selection or a platform decision needs more days than one in steady running. Fix the days for a first period, then review them against the open decision list.

Can a CTO as a service replace our engineering team?
No. The CTO decides and directs. Engineers build. The role pays off when it keeps a team or a vendor building the right thing.

Where Brihat Infotech fits

Brihat Infotech offers this as CTO-as-a-Service within its Technology Advisory work, billed monthly by days and with a six-month minimum.

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