Top 10+ Flutter App Development Companies in London | Flutter App Developers London 2026

Last Updated 25th August 2026 | Category: Top App Development Firms

The List of Top 10+ Flutter App Development Companies In London | Top Flutter App Developers London 2026

1. Hyperlink InfoSystem

Sponsored
Claim Pending
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost GBP 37,917+
Contact No +13097914105
Email info@hyperlinkinfosystem.com
View Profile Visit Website
mobile app development
web development
vr app development
ar app development
wearable app development
iot app development
ui-ux design
Businesses looking for a reliable technology partner often consider Hyperlink InfoSystem. Their core services include Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $50,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.

2. Audacia

Not Claimed
Founded 2007
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.6/5 (7 reviews)
Avg. Project Cost GBP 1,895,887+
Contact No +441133984199
Email info@audacia.co.uk
View Profile Visit Website
mobile app development
web development
custom software development
Audacia is a technology company founded in 2007. The company's main offerings are Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $100 - $149/hr, with an average project cost near $2,500,000. These details offer a useful starting point when evaluating Audacia.

3. xDesign

Not Claimed
Founded 2010
Employees 10 - 49
Hourly Rate N/A
Our Rating 4.5/5 (7 reviews)
Avg. Project Cost GBP 7,583+
Contact No +441313393838
Email hello@xdesign.com
View Profile Visit Website
mobile app development
web development
web design
e-commerce development
xDesign is a software development company that turns ideas into working products. Their core services include Mobile App Development. With 10 - 49 people on staff, xDesign can take on projects of varying size. Projects with this company average about $10,000. This gives a quick snapshot of what to expect when working with xDesign.

4. Metryus

Not Claimed
Founded 2017
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.8/5 (8 reviews)
Avg. Project Cost GBP 18,958+
Contact No +447484328229
Email info@metryus.com
View Profile Visit Website
mobile app development
web development
ui-ux design
custom software development
Metryus is a software development company that turns ideas into working products. Metryus focuses on Mobile App Development. Metryus employs 10 - 49 people. Typical hourly rates run around $50 - $99/hr, with an average project cost near $25,000. Overall, Metryus is one of the options worth shortlisting for a technology project.
Not Claimed
Founded 1997
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost GBP 18,958+
Contact No +44 020 3397 9028
Email info@red-c.co.uk
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
Red C London is a software development company that turns ideas into working products. Their core services include Mobile App Development and Custom Software Development. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $50 - $99/hr, with an average project cost near $25,000. These details offer a useful starting point when evaluating Red C London.
Not Claimed
Founded 2010
Employees 2 - 9
Hourly Rate N/A
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost GBP 3,791,775+
Contact No +441517094930
Email info@cyberfrogdesign.co.uk
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
branding
social media marketing
seo
digital strategy
Cyberfrog Design is a technology company founded in 2010. Cyberfrog Design focuses on Mobile App Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Projects with this company average about $5,000,000. These details offer a useful starting point when evaluating Cyberfrog Design.
Not Claimed
Founded 2007
Employees 10 - 49
Hourly Rate N/A
Our Rating 4.4/5 (8 reviews)
Avg. Project Cost GBP 3,791,775+
Contact No +441912658585
Email N/A
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
e-commerce development
social media marketing
seo
digital strategy
content management system
Businesses looking for a reliable technology partner often consider Inspired Agency. Their core services include Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. The average project on record costs around $5,000,000. This profile is a starting point — reach out to Inspired Agency directly to discuss project specifics.
Not Claimed
Founded 2015
Employees 2 - 9
Hourly Rate $150 - $199
Our Rating 4.5/5 (7 reviews)
Avg. Project Cost GBP 3,791,775+
Contact No +441412126354
Email hello@munro.agency
View Profile Visit Website
mobile app development
web development
ui-ux design
web design
branding
social media marketing
seo
digital strategy
The Munro Agency is a technology company founded in 2015. Their core services include Mobile App Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Clients can expect pricing around $150 - $199/hr, with projects averaging about $5,000,000. These details offer a useful starting point when evaluating The Munro Agency.
Not Claimed
Founded 2016
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost GBP 75,835+
Contact No +44 203 811 0484
Email enquiries@thisisglance.com
View Profile Visit Website
mobile app development
web development
wearable app development
ui-ux design
web design
social media marketing
Glance Creative Ltd. is a technology company founded in 2016. The company's main offerings are Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $50 - $99/hr, with an average project cost near $100,000. This profile is a starting point — reach out to Glance Creative Ltd. directly to discuss project specifics.

10. Calvium

Not Claimed
Founded 2009
Employees 10 - 49
Hourly Rate N/A
Our Rating 4.2/5 (6 reviews)
Avg. Project Cost GBP 3,791,775+
Contact No +441172262000
Email hello@calvium.com
View Profile Visit Website
mobile app development
ui-ux design
enterprise app development
Calvium is a technology company founded in 2009. Calvium focuses on Mobile App Development. Calvium employs 10 - 49 people. Projects with this company average about $5,000,000. This profile is a starting point — reach out to Calvium directly to discuss project specifics.

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FAQs

How do I compare App Development companies in London side by side for Flutter projects?
Build a structured scorecard comparing App Development companies in London across five dimensions: Flutter portfolio relevance, client review scores, team seniority mix, communication quality during the discovery call, and post-launch support terms. Request itemized proposals from each firm and evaluate how specifically they address your Flutter challenge — vague proposals signal a lack of genuine preparation. Direct conversations with two or three past clients from Flutter engagements will reveal execution realities that no proposal document can capture.
How does the business culture in London affect Flutter project collaboration?
Business culture in London tends to favor structured communication, thoroughness, and long-term professional relationships — qualities that support disciplined Flutter project delivery when the working relationship is established correctly from the start. International clients working with App Development companies in London for the first time often underestimate the value of investing in relationship-building alongside formal project governance, but teams that do so consistently report smoother Flutter delivery and stronger escalation responsiveness. Understanding London-specific preferences around feedback styles and escalation paths reduces friction and improves the quality of Flutter collaboration across the full engagement.
Are there hidden costs when working with a App Development company in London on Flutter?
With reputable App Development companies in London, hidden costs are avoidable if you ask the right questions during proposal review before signing the contract. Clarify upfront whether project management, QA and testing, deployment, staging environment setup, and third-party Flutter tool licensing are included in the quoted price or billed additionally as out-of-pocket expenses. Also confirm in writing how post-launch defect fixes are handled — whether they fall within a warranty period or require a separate maintenance retainer — before committing to any App Development firm in London for your Flutter engagement.
How often is the App Development Flutter company listing for London updated?
Company listings for Flutter-specialized App Development firms in London are updated on a rolling basis as new client reviews are submitted, verified, and scored by the directory team. Full re-rankings occur quarterly, incorporating new Flutter portfolio submissions, updated client reference checks, and any material changes in client satisfaction scores since the previous cycle. Companies that have completed significant new Flutter work or received strong client reviews between ranking cycles may see mid-quarter position adjustments if the evidence materially changes their composite score.
How do I verify the quality of a App Development company's Flutter work in London?
Verifying the quality of a App Development company's Flutter work in London requires examining technical depth rather than surface-level portfolio presentations — ask to see actual Flutter architecture decisions, code review standards, and QA defect metrics from past projects. Contact two or three direct client references specifically for Flutter engagements and ask how post-delivery defects were handled, not just whether the project launched on time and on budget. A App Development firm in London with genuine Flutter quality standards will welcome technical scrutiny and provide detailed process documentation without needing to be prompted.
What KPIs should a App Development company in London track for my Flutter project?
A results-oriented App Development company in London will define Flutter project KPIs tied directly to your business objectives before a single line of code is written. Relevant metrics typically include user activation rate, Flutter feature adoption depth, conversion rate improvement, monthly active user growth, churn reduction, and revenue impact attributable to new Flutter capabilities. KPI definitions should be agreed in writing at project kickoff so the App Development team in London is optimizing toward your business outcomes throughout the engagement — not just shipping features that satisfy the written specification.
Which App Development company in London offers the best value for Flutter development on a limited budget?
For budget-constrained Flutter development in London, the best value typically comes from established mid-size App Development agencies that combine competitive rates with structured delivery practices and accountability standards you cannot expect from individual freelancers. These firms typically offer Flutter development at rates 30–50% below large enterprise agencies while maintaining formal QA processes, dedicated project management, and binding post-launch support obligations. Look specifically for App Development companies in London that offer milestone-based fixed-price contracts for Flutter work and can present completed projects within a budget range comparable to your own.

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