topappdevelopmentcompanies
Write a Review menu
Menu

Overall Review Rating

4.5 (6 Ratings)

Quality 4.5/5
Schedule 4.5/5
Cost 4.5/5
Communication 4.3/5

Overview

Windmill Design helps growing organizations and marketers with complex offerings attract and convert their ideal audiences. The process starts by exploring your business and marketing goals. It results in thoughtful, coordinated online ecosystems including web design and development, branding, and digital marketing systems that have a real-world business impact.

founded
Founded 2006
employees
Employees 10 - 49
hourly rates
Hourly Rates $100 - $149
our rating
Our Rating 4.5/5
contact
Contact +16124042651

Services

  • E-Commerce
  • PhoneGap App Development
  • Magento
  • Mobile App Development
  • Cryptocurrency Wallet Development
  • CMS Solutions
  • MongoDB Development
  • iOS App Development
  • Android App Development
  • Digital Marketing
  • Cross Platform Development
  • Web Development

Industries Served

Advertising & Marketing Agriculture Gaming & Gambling Human Resources Legal Services Logistics & Supply Chain

Windmill Design Reviews

Have a look at these client reviews on previously delivered projects.

Nisha Pillai

Director of Engineering - GrowthBridge Ventures
Posted on Apr 09, 2025
4.5 Overall Rating

Purpose-built platform that made our competitors' off-the-shelf tools look outdated

Three months post-launch our key metrics are all moving in the right direction — user adoption ahead of target, support volume down, time-on-task reduced for our core workflows. The product team has started planning features that were never viable on the previous platform. That is the real proof of the investment: it opened up possibilities rather than just replacing what was there before.

Project summary

Years of incremental development had left us with a platform that was functional but limiting. A structured rebuild was the agreed path forward.

Quality 5.0/5
Schedule 5.0/5
Cost 4.5/5
Communication 4.5/5
project type
Project Type Software Development
industry
Industry Agriculture
project cost
Project Cost $50,000 to $149,999
Read Full Review

Radosław Kowalczyk

Head of Development - Wisła Software Sp zoo
Posted on Sep 01, 2024
4.5 Overall Rating

Software project that finished on time. Simple as that, and rarer than it should be.

We handed them an aggressive deadline, a complex scope, and a client-side team that was stretched and not always available when they needed us. They handled that gracefully. They were precise about what they needed and when they needed it. Where they could proceed independently they did. The delivery landed on time in spite of the constraints we added. I regard that as strong evidence of genuine professional maturity — not just capability.

Project summary

Our client portal had not been updated since 2018. Prospects were mentioning competitor portals in pitches. We could not keep deferring the investment.

Quality 4.0/5
Schedule 4.5/5
Cost 4.0/5
Communication 4.0/5
project type
Project Type Software Development
industry
Industry Legal Services
project cost
Project Cost Less than $10,000
Read Full Review

Sabrina Vollmer

Chief Innovation Officer - Rheintal Digital AG
Posted on Nov 11, 2023
4.5 Overall Rating

ISO 27001 certification achieved on the first attempt. The preparation was that thorough.

Three months post-launch our key metrics are all moving in the right direction — user adoption ahead of target, support volume down, time-on-task reduced for our core workflows. The product team has started planning features that were never viable on the previous platform. That is the real proof of the investment: it opened up possibilities rather than just replacing what was there before.

Project summary

Our campaign workflow ran across twelve different tools. The reconciliation overhead was hurting both speed and accuracy, and our team was absorbing the cost.

Quality 4.0/5
Schedule 5.0/5
Cost 4.5/5
Communication 4.0/5
project type
Project Type Cybersecurity
industry
Industry Advertising & Marketing
project cost
Project Cost $500,000+
Read Full Review

Declan Hartley

Chief Digital Officer - Southern Cross Technology
Posted on Apr 07, 2023
4.5 Overall Rating

AI in production within 8 weeks. The board saw it working before they approved the next phase.

Our stakeholder group was unusually broad — board sponsors, operational users, compliance leads, and an IT team with strong opinions. I have watched vendors handle that kind of environment badly. This team adjusted how they communicated depending on who they were talking to, managed expectations honestly when things shifted, and delivered something that each group considers a success. Getting everyone to agree on that outcome was not straightforward and they deserve credit for making it happen.

Project summary

A failed engagement the previous year had made us more rigorous about vendor selection. We took the time to find a partner we actually trusted before we committed.

Quality 4.5/5
Schedule 4.5/5
Cost 4.5/5
Communication 4.5/5
project type
Project Type AI & Machine Learning
industry
Industry Human Resources
project cost
Project Cost $10,000 to $49,999
Read Full Review

Maja Söderström

Head of Product Engineering - Scandia Digital AB
Posted on Oct 05, 2022
4.5 Overall Rating

Mixed reality experience that impressed the client audience we were trying to win

What I appreciated most was that they were honest when things were not going to plan. There was one point mid-project where a dependency was going to affect our timeline and they told us three weeks before it would have become critical. That gave us time to adjust. Vendors who manage upward proactively are rare. This one did it consistently throughout the engagement.

Project summary

Route optimisation was being handled in spreadsheets. The operational cost of that was measurable and the fix was obvious — but it required engineering investment we had been deferring.

Quality 4.5/5
Schedule 4.0/5
Cost 5.0/5
Communication 4.5/5
project type
Project Type AR/VR Development
industry
Industry Logistics & Supply Chain
project cost
Project Cost $50,000 to $149,999
Read Full Review
back to top