What "best" should actually mean here
Banani has no shortage of web companies. It has a shortage of the developer staying till launch.
Here is how it usually goes when a brand on Road 11 or a firm near the Banani DOHS gate goes looking for the best website development company in Banani. You ask around, someone recommends an outfit with a glass office and a few awards on the wall, you sit through a confident pitch with a slide that says "end-to-end digital solutions," you sign, you pay an advance — and then the person you actually liked disappears. Your project gets handed to a junior who is also handling four other projects. Three weeks of WhatsApp silence follow. When the site finally arrives it is a bought theme with your logo dropped on top, and the "company" you hired turns out to be one good salesman and a rotating cast of part-timers. That gap — between the pitch and who actually does the work — is the whole reason this page exists.
I am RH Fardin, a senior website designer and developer in Bangladesh, working solo for about five years. I am not going to pretend I am a 30-person company, because that is exactly the thing that hurts you. With me there is no salesman, no account manager, no junior "learning on your project." The person who scopes your build is the person who designs it, writes the code, sets up the SEO and pushes it live. When you message about a change, you are not waiting for someone to forward it internally — you are messaging the developer. For most Banani businesses that is not a downgrade from a "company," it is the upgrade they actually wanted.
Banani is a demanding little market and your buyers know what good looks like. A restaurant here is competing with the next three on the same road, all on Instagram, all reviewed to death on Google. A fashion or lifestyle brand off Road 11 is being judged against international labels its customers already follow. A law firm, a consultancy, an architecture studio, an export office near Banani DOHS — their clients open the site on a phone first and decide in about four seconds whether these people are serious. A templated site loses that test. Website development in Banani BD only earns the word "best" if the result holds up against that scrutiny, on a mid-range Android, in under three seconds.
On price, I will be straight, because the first question in this city is always koto taka. My builds start at 50,000 BDT and the standard tiers are 50,000 / 90,000 / 1,50,000 BDT depending on how many pages and how much custom work; fully bespoke projects start at 3,00,000 BDT. That is well under what a Banani agency with rent on a commercial floor has to charge to cover its overhead — not because I cut corners, but because there are no corners full of staff to pay for. The money goes into your site, not into a reception desk you walked past once.
See pricing in BDT