5 Things to Look for When Hiring an Interior Design Contractor in Jakarta

Jakarta's office interior market is busy. There are hundreds of contractors — from small outfits run by a single person to large design-build firms with decades of track record. When you're planning an office fit-out, picking the right one matters far more than most clients expect.

The difference between a good contractor and a bad one isn't always visible in their proposal. It shows up later — in the quality of the finish, in how they respond to problems on-site, and in whether the project actually finishes on time. Here are five things to check before you sign anything.

1. In-house execution vs. full subcontracting

This is the single most important question you can ask: who actually does the work?

Many contractors in Jakarta are, in practice, project coordinators. They win the contract, then outsource carpentry to one party, MEP to another, furniture to a third, and so on. Each handoff is a potential gap — in communication, accountability, and quality.

A contractor that does meaningful work in-house — their own trade workers, their own site supervisors — has direct control over what gets built. When something goes wrong, there's one number to call. Ask directly: what do you do in-house, and what do you outsource?

2. Do they have their own workshop?

Custom furniture and millwork are where most interiors are defined — and where costs most often overrun. A contractor with their own workshop can control the material spec, the lead time, and the finishing quality. One who orders from a third-party factory has very limited visibility into any of those things.

At Intermulti, our Pulogadung workshop handles all joinery, upholstery, and metalwork for every project we take on. That means when a client changes their mind about a detail at week three, we can adjust — without reordering from a supplier with a six-week lead time.

3. Look at completed projects, not just renderings

3D renderings are inexpensive to produce and easy to make look impressive. What they don't tell you is how a contractor actually builds. Ask for photographs of completed projects — ideally in comparable building classes to yours.

Look at the details: the joinery joints, the consistency of the finish, how the MEP is integrated into the ceiling design. Good interior work is visible in those things. If a contractor's portfolio is mostly renders and mood boards, ask why there aren't more project photos.

Even better: ask if you can visit a finished project in person. Most reputable contractors will arrange this if asked.

4. A clear process with a dedicated project manager

Your project manager is the person who will be your main point of contact from brief to handover. Before you sign, find out: who is that person?

A good contractor assigns one dedicated PM per project — someone who knows the drawings, knows the schedule, and knows the site. That person should be able to give you daily updates on what's happening on site, and weekly reports on progress against the schedule.

If the answer to "who will be managing our project?" is vague — "our team will handle it" or "it depends on scheduling" — that's a warning sign. Projects that lack a single accountable PM tend to fall through the cracks.

5. Transparent pricing and a proper contract

A legitimate design-and-build contractor will give you an itemized Bill of Quantities — a line-by-line breakdown of what you're paying for: materials, labor, design fee, furniture, MEP, and so on. A lump-sum quote with no detail is not a quote — it's a placeholder that will be renegotiated once work starts.

Be wary of very low initial quotes. In the Jakarta market, aggressive low quotes are often followed by change orders that add 30–50% to the final bill. The reason the first number is low is because it excluded things that were always necessary.

Ask for: a detailed BOQ, a fixed-price contract for the agreed scope, and a clear process for handling changes or variations.

If you're planning an office fit-out in Jakarta and want to understand how a proper design-and-build process works, we're happy to walk you through ours — no commitment required.