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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

No have been added yet...

    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, with clients noting their affordability and alignment with budgets. Specific project costs were not detailed, but clients appreciated timely delivery and effective communication, contributing to positive project outcomes.

    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

    • Open to Feedback and Continuous Improvement

      LeanCode demonstrates a commitment to improvement by actively seeking client feedback and making adjustments as needed. This approach ensures evolving client requirements are met.

    • Room for Improvement in English Proficiency

      One client noted a minor area for improvement in English language proficiency, suggesting a potential enhancement area for LeanCode to consider.

    • Positive Client Feedback and High User Satisfaction

      Many clients report positive feedback from users of LeanCode-developed applications, citing enhanced user experiences and satisfaction with app functionality.

    • Commitment to Client Success

      LeanCode goes beyond project requirements to ensure client success. Their team is described as invested in projects, offering continuous support and improvements even post-delivery.

    • Strong Project Management Skills

      LeanCode consistently delivers projects on time and manages tasks effectively. Clients appreciate their structured approach, using tools like Jira and Agile methodologies to ensure smooth project flow.

    • High Client Retention and Referral Rate

      Several reviews mention referrals and repeat engagements with LeanCode, indicating a high level of client satisfaction and trust in their services.

    LeanCode Reviews

    Submit a Review
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    Services
    Project Cost
    Industry
    Location

    Platform Dev for Digital Venture Company

    • Web Development
    • $50,000 to $199,999
    • Apr. - Aug. 2022
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "Everything in the project was implemented appropriately."

    Jan 20, 2023
    Product Owner, The Heart
    Anonymous
    Verified
    • Other industries
    • Warsaw, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    LeanCode developed a FinTech web platform for a digital venture company. They integrated features for creating and accepting offers and used React, Node.js, and GraphQL as key technologies.

    Mobile App Development for Bank

    • Mobile App Development
    • $10,000,000 +
    • Jan. 2021 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "LeanCode is open to learning a new domain of banking business."

    Jul 8, 2022
    Deputy CIO, Credit-Agricole Bank Polska SA
    Tomasz Czerwinski
    Verified
    • Financial services
    • Wroclaw, Poland
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    LeanCode is building a banking mobile app using Flutter for a bank. The goal is to deliver an MVP app within nine months.

    App Development for Heatlhcare App

    • Mobile App Development
    • $200,000 to $999,999
    • Sep. 2020 - Dec. 2021
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They were very open when we hired our own internal team and ensured that they got our new employees up to speed." 

    Apr 11, 2022
    CEO, Heatlhcare App
    Trevor M.
    Verified
    • Other industries
    • Mechanicsburg, Pennsylvania
    • 11-50 Employees
    • Phone Interview
    • Verified

    LeanCode provided technology consulting for a mobile app development project. After identifying the appropriate frameworks, LeanCode provided Flutter and .NET developers to build a mobile app and backend. 

    Mobile App Dev for Software & Hardware Company

    • Mobile App Development
    • $10,000 to $49,999
    • May - Oct. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They knew Flutter very well and they basically prepared everything on their side."

    Apr 6, 2022
    CTO, INTSOL
    Krzysztof Zmorzyński
    Verified
    • Other industries
    • Warsaw, Poland
    • 1-10 Employees
    • Online Review
    • Verified

    LeanCode built two applications for a software and hardware company. The development included using the cross-platform Flutter framework for building the apps connected to a .NET backend.

    Web Overhaul for IT Services Company

    • Web Development
    • $200,000 to $999,999
    • Jan. 2020 - Jan. 2021
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "The team not only delivered what we needed, but they also improved on what we wanted."

    Mar 27, 2022
    Owner, IRD Group
    Brent Jackson
    Verified
    • Other industries
    • Sydney, Australia
    • 11-50 Employees
    • Online Review
    • Verified

    An IT services company hired LeanCode to overhaul a website. The team conducted a prototype test and rebuilt the client's platform prime search facility.

    Digital Platform Dev for International Food Company

    • Application Management & Support Custom Software Development Other Design
    • $50,000 to $199,999
    • June 2020 - Jan. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The feeling is that the project meets our high expectations."

    Apr 9, 2021
    Customer Business Development Manager, MASPEX
    Wojciech Dendys
    Verified
    • Other industries
    • Poland
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    LeanCode created a digital platform for an international food company. The team improved the system that helps facilitate communication between different departments in different regions and countries.

    Web Dev for Food Company

    • Custom Software Development
    • $50,000 to $199,999
    • Aug. 2019 - Feb. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "LeanCode took the responsibility for the product and its vision and brought it to life."

    Mar 24, 2021
    Project Manager, Maspex
    Agnieszka Czura
    Verified
    • Manufacturing
    • Wadowice, Poland
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    LeanCode supported website development for a food company. They were responsible for developing the design up to deployment. Additionally, they provided marketing tools that streamline the operation. 

    Platform Development for Education Technology Company

    • Custom Software Development
    • $50,000 to $199,999
    • Sep. 2019 - May 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are a very robust team of young but experienced developers who displayed honesty and transparency from day one."

    Jul 13, 2020
    Head of Business Development, Future Collars
    Kamil Osiecki
    Verified
    • Education
    • Warsaw, Poland
    • 1-10 Employees
    • Online Review
    • Verified

    LeanCode developed a platform for an educational technology company. The team was responsible for both front- and backend development as well as UI/UX design.

    Mobile App Dev for Workplace Fitness SaaS Startup

    • Mobile App Development
    • $50,000 to $199,999
    • May 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "I experienced a long entrepreneurial journey with them."

    Jun 25, 2020
    CEO, Activy
    Igor Pielas
    Verified
    • Business services
    • Warsaw, Poland
    • 1-10 Employees
    • Online Review
    • Verified

    LeanCode took a prototype of a workplace fitness app to develop a full-fledged application with an admin panel, game creator, and a streamlined UX/UI. They also assisted in defining the client's business model.

    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.

    Showing 11-20 of 35 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
    31
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    February 18, 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

    Contact LeanCode

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    Grupa Maspex

    (1)
    Grupa Maspex Logotype

    Marta Gawlik

    INFINIT

    (1)
    INFINIT Logotype

    Guillaume Lavignotte

    MAINGAU Energie GmbH

    (1)
    MAINGAU Energie GmbH Logotype

    Steffen

    Neural DSP

    (1)
    Neural DSP Logotype

    Olivier Carnal

    Polarium

    (1)
    Polarium Logotype

    Marcus Schwartz

    Additional Connections

    (4)