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Flutter Development Agency for Enterprise

LeanCode is a full-cycle software development company designated as an official Flutter consultant by Google. With a team of 80+ tech experts, we build software solutions that drive change and help businesses scale.

As your tech partner, we cover the entire software development lifecycle – from product strategy and design to development, launch, and maintenance. Our offering includes:

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2016
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Polish

15 Timezones that we service

HST
Hawaii Standard Time (HST)
AKST
Alaska Standard Time (AKST)
PST
Pacific Standard Time (PST)
MST
Mountain Standard Time (MST)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
AST
Arabia Standard Time (AST)
ACT
Australia Central Time (ACT)
AET
Australia Eastern Time (AET)
CET
Central European Time (CET)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
MET
Middle East Time (MET)
NST
New Zealand Standard Time (NST)
SGT
Singapore Standard Time (SGT)

1 Locations

  • Warszawa , Poland

Select Focus Area
Application Platforms
Azure Platform
100%
Digital and IT Strategy Consulting Focus
IT Assessment
30%
Mobility Strategy
20%
IT Operations Management Consulting
10%
Virtual CIO Services
10%
Frameworks and CMS
Mobile Platforms
Industries
Financial services
60%
Energy & natural resources
10%
Telecommunications
10%
Manufacturing
5%
Retail
5%
Sports
5%
eCommerce
5%
Clients
Midmarket ($10M - $1B)
60%
Enterprise (>$1B)
35%
Small Business (<$10M)
5%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.9 /5

What Clients Have Said

LeanCode offers competitive pricing and good value for cost, as highlighted in multiple reviews. Clients appreciate their budget fit and expertise, especially in Flutter development. Specific project costs are not detailed, but clients note timely deliveries and effective communication, indicating overall satisfaction with their investment.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 18 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

LeanCode Review Insights

Overall Review Rating

5.0
  • Quality 5.0
  • Schedule 4.9
  • Cost 4.9
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Strong Technical and Product Mindset

    LeanCode's unique blend of technical expertise and product mindset is frequently highlighted. Clients appreciate their ability to deliver not just technically sound solutions but also those that create real value for end-users.

  • Proficiency in Custom Software Solutions

    LeanCode excels in developing custom software solutions tailored to specific client requirements. Their ability to adapt and integrate new technologies into existing systems is a key strength noted by clients.

  • Challenges with English Proficiency

    One client noted a minor challenge with English language proficiency, suggesting there may be room for improvement in this area to enhance communication further.

  • Expertise in Flutter Development

    LeanCode is consistently praised for their deep expertise in Flutter development, offering high-quality, scalable solutions. Clients across various industries, including banking, energy, and technology, commend their proficiency and ability to implement complex features effectively.

  • High Client Satisfaction

    LeanCode's clients express high satisfaction with the delivered products, noting improvements in functionality and user experience. The company's ability to meet client needs and exceed expectations is consistently recognized across various projects.

  • Commitment to Quality and Timeliness

    LeanCode consistently delivers high-quality work on time, earning praise from clients for their dedication to maintaining standards and meeting project deadlines.

LeanCode Reviews

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Development Support for Farm & Breeding Specialists

  • Custom Software Development
  • $10,000 to $49,999
  • Jan. 2018 - Dec. 2019
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"They were always on time and the ideas they had to solve the different problems were very innovative."

Jun 18, 2020
Owner, Kędzia Farm
Dominika Kędzia
Verified
  • Other industries
  • Poland
  • 1-10 Employees
  • Phone Interview
  • Verified

LeanCode developed a mobile application to help with farm management and monitor animal welfare needs.

Mobile App Dev for Financial Services Company

  • Mobile App Development
  • Confidential
  • Feb. - June 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The team is very well organized, which allowed them to develop the app very quickly."

Jun 9, 2020
Project Manager, Discoarmor
Michalina Wacław
  • Financial services
  • Warsaw, Poland
  • 1-10 Employees
  • Online Review

LeanCode developed a mobile application, which involved integrating it with an external party's software. The app facilitates the sale of insurance products; it features ticketing and data protection features.

Mobile App Dev for Shell

  • Mobile App Development
  • $10,000,000 +
  • May 2018 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I was impressed with their knowledge, ... commitment, and how they went beyond the agreed level of support."

May 27, 2020
Commercial Lead New Products, Shell
Anonymous
Verified
  • Energy & natural resources
  • Warsaw, Poland
  • 10,001+ Employees
  • Online Review
  • Verified

LeanCode developed an app for a major gas and energy company. They handled everything from front- to backend development. The product would optimize the daily operations of fleet managers and dispatchers.

Mobile App Dev for Hospitality HR Platform

  • Mobile App Development
  • Confidential
  • June 2018 - Mar. 2019
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"They were willing to share their business knowledge and tips to help us avoid possible obstacles."

May 22, 2020
Project Manager, Gastro Job sp. z o.o.
Magdalena Keating
Verified
  • Hospitality & leisure
  • Rzeszow, Poland
  • 1-10 Employees
  • Online Review
  • Verified

LeanCode developed the flagship app of a recruitment startup that specializes in the hospitality industry. The team helped with brainstorming and branding before developing both iOS and Android platforms.

Mobile App Dev for Longevity Medicine Organization

  • Cybersecurity Mobile App Development
  • Application Security
    +3
  • Confidential
  • Mar. - May 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"There's nothing LeanCode could have done differently."
May 7, 2026
Product & Operations Manager, Longevitydocs
Daniel Whitlock
  • Education
  • New York, United States
  • 1-10 Employees
  • Online Review

LeanCode developed a Flutter app for an education company. The team used existing APIs to build the app's backend security, community chat, course, and news feed features.

Pipeline Dev & Automation Fix for Data Connectivity Company

  • Application Testing DevOps Managed Services
  • Automation Testing
    +1
  • Confidential
  • Oct. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“The team has delivered on time.”

Mar 16, 2026
Software Engineering Manager, MX Technologies, Inc
Nate Iorg
Verified
  • Financial services
  • Lehi, Utah
  • 201-500 Employees
  • Online Review
  • Verified

LeanCode has helped a data connectivity company build a pipeline and fix the automated signing for iOS. The team has also trained our automation engineers and provided ongoing guidance.

UI/UX Design & Mobile App Dev Staff Aug for Energy Company

  • IT Staff Augmentation Mobile App Development UX/UI Design
  • UX Strategy
    +5
  • Confidential
  • Apr. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"LeanCode's technical expertise is great and much better than most other agencies; they're real experts."

Feb 18, 2026
Engineering Lead, Maingau Energie GmbH
Steffen Knoedler
Verified
  • Utilities
  • Obertshausen, Germany
  • 201-500 Employees
  • Online Review
  • Verified

LeanCode provides development staff augmentation services for an energy company's web app, Android, and iOS customer app. The team has delivered UI/UX designs and Flutter code and built CI/CD pipelines.

Flutter Development for Music Technology Company

  • Mobile App Development
  • Flutter
  • Confidential
  • Apr. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The developer provided by LeanCode is very efficient and easy to work with, which is a great fit for our team."

Feb 13, 2026
Cloud Lead, Neural DSP
Olivier Carnal
Verified
  • Arts, entertainment & music
  • Helsinki, Finland
  • 51-200 Employees
  • Online Review
  • Verified

LeanCode provides Flutter development services for a music technology company's mobile app. The team has developed new features and fixed bugs, focusing on the app's interface with the client's hardware.

Mobile App Development & Design for Battery Solutions Co

  • Mobile App Development UX/UI Design
  • Android App Development
    +1
  • Confidential
  • Oct. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have a highly professional team and management that act as a true partner."

Jan 19, 2026
Head of Digital, Polarium Energy Solutions
Marcus Schwartz
Verified
  • Other industries
  • Stockholm, Sweden
  • 51-200 Employees
  • Online Review
  • Verified

LeanCode provides mobile app development and design services for a battery solutions company. The team has taken over the client's Android and iOS apps and developed features to control the client's batteries.

Mobile App Dev & Design for Food Products Company

  • Mobile App Development UX/UI Design
  • Flutter
  • Confidential
  • Feb. - Apr. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They met our deadline and fulfilled our initial expectations."

Jul 23, 2025
Innovative Projects Specialist, TYMBARK–MWS Sp zoo
Marta Gawlik
Verified
  • Other industries
  • Poland
  • 5,001-10,000 Employees
  • Online Review
  • Verified

LeanCode developed a custom mobile app for a food products company. The team implemented a user-friendly design and built an iOS and Android version of the app. 

Showing 21-30 of 39 Reviews

Design Thinking Workshops

Whether you're a startup founder, CEO, or business owner, budget and timeline are key concerns, both heavily dependent on scope. An unlimited budget doesn’t guarantee success—careful planning is crucial for product-market fit. In our Design Thinking Workshops, we help turn your vision into a plan that addresses both budget and timeline needs.

Small

For Startups

$6,000 /total
  • Backlog with the scope for MVP: Yes
  • Detailed estimates of the scope: MVP only
  • The list of all risks with the impact estimations: MVP only
  • System Architecture: Overview
  • Product Roadmap: MVP only

Large

Enterprise-grade

$25,000 /total
  • Backlog with the scope for MVP: Yes
  • Detailed estimates of the scope: Yes
  • The list of all risks with the impact estimations: Yes
  • System Architecture: Yes
  • Product Roadmap: Yes
Features

Small

$6,000

/total

Medium

$12,500

/total

Large

$25,000

/total

Backlog with the scope for MVP

Yes

Yes

Yes

Detailed estimates of the scope

MVP only

Yes

Yes

The list of all risks with the impact estimations

MVP only

Yes

Yes

System Architecture

Overview

Yes

Yes

Product Roadmap

MVP only

Yes

Yes

Stakeholders map

Yes

Yes

Yes

Persona/Target group

Adopted

Designed

Designed

Interviews with the target group representatives

No

Yes

Yes

Low Fidelity Mockups

Up to 5 screens

Happy path only

Multiple paths

User Flow Diagrams

No

Happy path only

Multiple paths

Branding

No

No

Optional

UI Moodboards

1

3

3

UI Design

Up to 5 screens

Happy path only

Multiple paths

Design System

Colors and typography

Basic components included

All utilized components included

Clickable prototype

No

Happy path only

Up to 3 Customer Journeys

Business Model Canvas

No

Yes

Yes

Small

$6,000

/total

Backlog with the scope for MVP

Yes

Detailed estimates of the scope

MVP only

The list of all risks with the impact estimations

MVP only

System Architecture

Overview

Product Roadmap

MVP only

Stakeholders map

Yes

Persona/Target group

Adopted

Interviews with the target group representatives

No

Low Fidelity Mockups

Up to 5 screens

User Flow Diagrams

No

Branding

No

UI Moodboards

1

UI Design

Up to 5 screens

Design System

Colors and typography

Clickable prototype

No

Business Model Canvas

No

Medium

$12,500

/total

Backlog with the scope for MVP

Yes

Detailed estimates of the scope

Yes

The list of all risks with the impact estimations

Yes

System Architecture

Yes

Product Roadmap

Yes

Stakeholders map

Yes

Persona/Target group

Designed

Interviews with the target group representatives

Yes

Low Fidelity Mockups

Happy path only

User Flow Diagrams

Happy path only

Branding

No

UI Moodboards

3

UI Design

Happy path only

Design System

Basic components included

Clickable prototype

Happy path only

Business Model Canvas

Yes

Large

$25,000

/total

Backlog with the scope for MVP

Yes

Detailed estimates of the scope

Yes

The list of all risks with the impact estimations

Yes

System Architecture

Yes

Product Roadmap

Yes

Stakeholders map

Yes

Persona/Target group

Designed

Interviews with the target group representatives

Yes

Low Fidelity Mockups

Multiple paths

User Flow Diagrams

Multiple paths

Branding

Optional

UI Moodboards

3

UI Design

Multiple paths

Design System

All utilized components included

Clickable prototype

Up to 3 Customer Journeys

Business Model Canvas

Yes

Our Story

We began as a small group of six dedicated professionals. Today, we've grown to a team of over 80 tech experts, all focused on building software solutions that drive change and help businesses scale.

What sets us apart? Our deep technical expertise is combined with a strong business mindset. Flutter, Google’s leading cross-platform development framework, lies at the core of our work, enabling us to deliver complex projects faster, shorten time-to-market, and ensure top-tier performance.

What Sets Us Apart

World-class Flutter experts

Poland is home to some of the world’s best engineers, and our Flutter team represents the very best of them.

True problem solvers

We go beyond code to understand and solve real business challenges, helping the product move forward and scale effectively.

Enterprise-level consultants

We bring vast experience managing complex IT systems for large enterprises, ensuring they meet rigorous standards of reliability, scalability, and security.

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
34
Overall Review Rating
5
Source
Clutch
Last Updated
May 7, 2026

Business Entity

Business Entity Name LeanCode Sp. z o.o.
Source Central Statistical Office of Poland
Jurisdiction of Formation Poland
Date of Formation September 22, 2016
Status Active
Last Updated October 12, 2023
ID 0000638275

Credit Report Results

International Credit Risk Assessment Very Low Risk
Source Creditsafe
Last Updated January 1, 2022
Learn More About The Clutch Verification Process

Locations (1)

ul. Wróbla 8A WarszawaPoland 02-736

50 - 75

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7Mind GmbH

(1)
7Mind GmbH Logotype

Miriam Busch

GMAIL IT LTD

(1)
GMAIL IT LTD Logotype

Abdallah Shaban

Grupa Maspex

(1)
Grupa Maspex Logotype

Marta Gawlik

INFINIT

(1)
INFINIT Logotype

Guillaume Lavignotte

MAINGAU Energie GmbH

(1)
MAINGAU Energie GmbH Logotype

Steffen

MX

(1)
MX Logotype

Nate Iorg

Neural DSP

(1)
Neural DSP Logotype

Olivier Carnal

Polarium

(1)
Polarium Logotype

Marcus Schwartz

Additional Connections

(5)