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Digital · Websites · UI/UX design

UI/UXdesign

Since 201565+ in-house teamKolkata office, 5 team bases

If a buyer has to think, they leave. Screens are tested with real users before anything is built.

A strategist calls you in one working day.

Updated 4 Oct 2026

Tell us what is not working

A strategist calls you in one working day. We use these details only to call you back. Privacy notice and terms of use.

Brands we have worked with

  • Sai Angan
  • Rupa Peekaboo
  • Tea Junction
  • Zandu Vigorex
  • Fox & Mandal
  • Veedol
  • Tata Efee
  • Avadh Sugar & Energy
  • Taj Cement
  • Weichai
  • Rerasathi
  • Honest AI
  • Walton
  • Supertron
  • Balrampur Foundation
  • Fine Organics
  • Kopran
  • Bengal Aerotropolis Projects Limited
  • FIVB
  • Hanumanta Foods
  • Linc
  • Nitya Gold & Diamonds
  • Novozymes
  • PSPL
See all 122 clients
/ 01 UI/UX design agency

A screen people can usewithout help.

Maybe visitors leave at the form, the menu or the checkout, and nobody can say why. PromotEdge studies how buyers use your website or app, then redesigns the screens so more of them enquire, book, buy or sign up.

UX (user experience) is how easily someone finishes a job on your screen. UI (user interface) is how it looks and feels. A pretty page with a confusing path still loses customers.

Choose this over our wider website design and development when the problem is how people use a screen, not whether you have one. We can stop at the design, and your developers build it.

  • 2015working with Indian brands since
  • 65+in-house team: strategy, creative, media and tech
  • 4pillars under one roof: strategy, advertising, digital, on-ground activation (BTL)
  • 6cities: head office in Kolkata, teams in Mumbai, Delhi, Bangalore, Guwahati and Bhubaneswar
All PromotEdge facts →
/ 02 What's included

From the first walk-throughto a design your developers can build.

PartWhat we doWhat you receive
UX auditScreens, analytics and real phonesRanked problems, with fixes
User researchShort talks with buyers; read sales callsOne page on who uses the screens
Journeys and wireframesMap the main paths; plain layouts with real textJourney maps, sitemap, layouts
Prototype and testA clickable version tried by five or six usersA test report and a fixed prototype
UI designFinal screens for every device, aimed at WCAG 2.2 AAScreen files developers can open
Design systemA shared kit of buttons, forms and coloursA short library
Handover and build reviewA developer walk-through; a check of the live buildA list of differences to fix

You can buy the audit alone, or the full design.

/ 03 What usually gets in the way

Where screenscost you, and the way through.

“People arrive, but few reach the enquiry form.”

We draw the visitor's path and find the step where they stop, often one confusing button or a long form. We fix it first.

“The site looks fine on a laptop and feels clumsy on a phone.”

We design at phone width first. WCAG 2.2 (Web Content Accessibility Guidelines) sets a floor of 24 by 24 CSS pixels for tap targets at its AA level. We aim higher on main buttons.

“The menu has grown with every new product, and nobody finds anything.”

We ask real buyers to find three things on your site and watch. Then we name and order the menu with the words buyers use.

“Customers and dealers keep phoning to ask what the site should answer.”

Those calls are free research. We read your last 50 calls and WhatsApp questions and build the answers in.

“The finished site never matches the design we approved.”

We give your developers a small kit of rules and review the live build before launch.

“We want a redesign, but fear paying lakhs on a guess.”

Start with an audit. Big losses often sit on a few pages. If three fixes will do, we say so.

Want us to walk through your main enquiry form on a phone and tell you where we would stop? Get a free growth plan

/ 04 In their own words

What a clientsaid about our design work.

“They engaged with every team member, understanding their needs with great patience before collating them into a user requirement and a design spec. The result was both aesthetically pleasing and usable.”

Bimal ShahBimal ShahExecutive Director, Fine Organic Industries Limited

“PromotEdge is one of the most hard working creative agency that LISTENS ! Do I need to say anything more ?!!!! …”

Harsh GuptaHarsh GuptaManaging Director at Rishta Foods

“Hi, my name is Hitesh Malhotra. I'm working in FIVB. We are working with PromoteEdge (with Team Sayantan). I would like to give you a brief detail. …”

Hitesh MalhotraHitesh MalhotraSports Development at Fédération Internationale de Volleyball - FIVB

Tell us what’s not working. We’ll send you an honest one-page growth plan, free.

/ 05 How we work

An audit in about two weeks,a full design in about two months.

  1. 01

    Week 1: listen and look

    We talk to your sales team, read analytics and the last 50 enquiries, and agree one job for each key screen.

  2. 02

    Weeks 1 to 2: the audit

    Problems ranked by what they cost you. Some teams stop here and fix the list themselves.

  3. 03

    Weeks 2 to 4: journeys and wireframes

    We redraw the main journeys and layouts. You review plain layouts before colour makes choosing harder.

  4. 04

    Weeks 4 to 5: prototype and test

    Five or six users from your market try it on phones. We note where they stall and fix it.

  5. 05

    Weeks 5 to 8: screens and design system

    Final screens and the rules kit. These weeks are planning ranges.

  6. 06

    Build review and a before-and-after check

    We review the live build. What can't be measured can't be achieved, so weeks after launch we compare the numbers noted in week 1.

Go deeper

More on this

Deeper reading if you want the research behind the plan.

How we deliver it, and why

How your business model changes the plan

A hospital needs a booking path a worried person can finish. A machine maker needs specification pages and a quote form. A real estate project needs plans and a visit form. An admissions form must work on a phone.

  1. Start from your buyers' own questions. Calls and WhatsApp messages show what the screen failed to answer. A one-page summary of what users want.
  2. Test a prototype before any code. A fix on a drawing costs hours. A fix in code costs days. A clickable version on your own phone.
  3. Design at phone width first. Many buyers meet you on a phone, with a thumb. Buttons and forms checked for thumb reach.
  4. Review the live build. Finished sites rarely match the design that was approved. A list of differences before launch.

AI in UI/UX design: today and next

Today: Figma

Figma's help page says its AI tools can turn an idea into editable designs, replace placeholder text, rename layers and make or edit images. It warns that AI outputs may be misleading or wrong. Standalone AI tools need a paid plan and a Full seat.

Source: Figma Help, Use AI tools in Figma Design, read 10 October 2026

Next

Our view: first drafts of screens will keep getting faster. Real users still decide whether a screen works, so we keep testing with people. Want us to look at your screens? Ask us.

Planning a new site or app? Tell us what it should do, and we will say what to test first. Talk to us

/ 06 Cost

What affects the cost of UI/UX design.

No price list. These things move the number.

An audit, a website redesign and an app design are very different jobs, so each is quoted against a written scope.

What affects the cost

  • Screens and user journeys
  • Platforms: website, app, dealer portal or internal tool
  • Research depth: audit alone, or interviews and user tests too
  • Languages and scripts on the screens
  • Whether developers need a full design system

How we quote

  1. We ask who uses your screens and where they stop today
  2. We look at your site or app and analytics
  3. A quote with audit, design and testing on separate lines

What you get in the quote

  • Screens, journeys and platforms covered
  • Users in the tests, and test rounds
  • The files your developers receive, and the live-build review

Comparing quotes? Ask if real users test the design, who owns the files afterwards, and whether the live-build review is included.

Our beliefWe'd rather show you results than a nice presentation.

/ 07 What happens next

What happensafter you ask.

For projects we think we can help, this is how it goes.

  1. 01

    A strategist calls you

    In one working day: a 30-minute call with one of our strategists about your business and what is not working.

  2. 02

    You get a 1-page plan

    A short, honest plan: what to fix first and what we would do. It is free.

  3. 03

    A quote, if you want one

    If you want to go ahead, we send a quote within 2 working days.

A typical website takes 4 to 6 weeks. Contracts start at 3 months, with 30 days' notice to stop.

Brands and people are named only as public examples. They are not PromotEdge clients or endorsers unless stated.

No pressure. No sales pitch.

Show us where visitors drop off.We'll show you the plan.

Or leave your number. A strategist calls you in one working day.

We use these details only to call you back. Privacy notice.

Straight answers.

  • A UX audit is a screen-by-screen check of your site or app that ends in a ranked list of problems and fixes. Yes, start there: it shows whether you need three fixes or a full redesign, so you do not pay for more than the problem needs.

  • It depends on screens, journeys, platforms, research depth and languages. An audit of one journey costs far less than the design of a full app. We quote against a written scope, with audit, design and testing on separate lines, so you can compare quotes fairly.

  • As a planning guide, an audit takes about two weeks, and a full design for a company website about two months before the build starts. One journey is quicker; a large app takes longer. We confirm the timeline in the quote.

  • Choose one that asks about your buyers and sales before it shows screens. Check three things: does it test with real users, agree a number to improve before design starts, and review the live build? If any answer is no, keep looking.

  • Usually five or six per round, then we fix what they found and test again if the scope allows. Jakob Nielsen's study for Nielsen Norman Group found five users find about 85% of usability problems. A larger app with several kinds of user may need more people, and we say so in the quote.

  • You meet the people doing your design work in the first week. Our in-house team of 65+ people does it, with industry consultants and partner agencies where needed. Your developers get a walk-through of the files from the designers, so the people who design and the people who build talk to each other.

  • Yes. Our servicing team is based in cities across India. Walk-throughs and tests run over video, and your prototype opens on any phone, so working across cities is normal for us. We visit at least every three months. In Kolkata? See our UI/UX design in Kolkata page.

  • Before design starts, we agree one or two numbers, such as form completions or checkout drop-off, and note where they stand. A few weeks after launch we compare them, using your analytics and lead record. For steady testing after that, see conversion optimisation.