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

Last Updated 04th November 2026 | Category: Top App Development Firms

As of November 2026, this directory tracks 58 flutter companies. Hyperlink InfoSystem currently sits at the top of the list (5.0-star average from 497 verified reviews, $25 - $49 / hr, in business since 2011). Looking at the group as a whole, the midpoint hourly rate is $125, the median rating is 4.5, and 16% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Software Development, AI Development, and Web Development.

Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these flutter firms 4.8/5 on average. $150 - $199 / hr is the most common rate band. Roughly 16% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.

58
Verified Firms
$150 - $199 / hr
Most Common Rate
4.8
Average Rating
16%
Have 50+ Employees
How this list is built: Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength. Client reviews go through a verification step before being marked Verified and shown publicly. Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.

Top-Ranked flutter Companies

Compare the highest-ranked firms first side by side.

Rank Company Rating Reviews Hourly Rate Team Size Founded Headquarters Action
1 5.0 497 $25 - $49 / hr 1,000 - 9,999 2011 Jersey City, NJ Visit Profile
2 4.5 7 $50 - $99 / hr 10 - 49 1997 London, England Visit Profile
3 4.5 7 $150 - $199 / hr 2 - 9 2011 London, England Visit Profile
4 4.5 7 $50 - $99 / hr 50 - 249 2014 London, England Visit Profile
5 4.3 6 $50 - $99 / hr 10 - 49 2013 London, England Visit Profile
6
4.3 6 $150 - $199 / hr 50 - 249 2004 London, England Visit Profile
7
4.3 6 $100 - $149 / hr 50 - 249 2008 London, England Visit Profile
8
4.1 7 $25 - $49 / hr 50 - 249 2010 London, England Visit Profile
9
4.1 6 $150 - $199 / hr 50 - 249 2009 London, England Visit Profile
10 4.1 8 Undisclosed 10 - 49 2006 London, England Visit Profile

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

2014
$50 - $99
10 - 49
GBP 1,895,888+
Mobile App Development Web Development VR App Development AR App Development UI-UX Design Web Design Internet of Things Branding
Loading Leader Matrix…
Loading World Map…
Loading Pricing Heatmap…
Loading Budget & Pricing…

Compare Firms Side by Side

Pick 2 to 4 companies to compare their ratings, pricing, and team size.

Select Company
Select at least 2 companies
Why Choose Us

Why Businesses Trust Top Software Companies

Top Software Companies helps organizations identify experienced software development firms capable of building scalable, secure, and business driven software solutions. Whether you're looking for enterprise software, SaaS platforms, CRM systems, ERP solutions, or custom applications, we help simplify your search.

Trusted Software Providers

Our directory showcases software companies with strong technical capabilities, successful project delivery records, and expertise across multiple industries.

Comprehensive Company Profiles

Review company backgrounds, software expertise, development methodologies, technology stacks, pricing information, client reviews, and project portfolios from one convenient platform.

Business Focused Comparison

Compare software vendors based on business needs, industry expertise, development approach, company size, and customer satisfaction to identify your ideal technology partner.

Direct Communication

Connect directly with shortlisted software development companies to discuss project requirements, receive proposals, and begin your digital transformation journey.

Top Companies in London

Top AI Development Companies In London
Top Blockchain Development Companies In London
Top Cryptocurrency Development Companies In London
Top DevOps Companies In London
Top IoT Development Companies In London
Top Metaverse Development Companies In London
Top Mobile App Development Companies In London
Top NFT Marketplace Development Companies In London
Top Salesforce Development Companies In London
Top Software Development Companies In London
FAQ

Frequently Asked Questions

Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.

Start by writing down what "done" actually looks like for your project — the core features, the platforms it needs to run on, and a rough budget ceiling. From there, narrow your list to App Development agencies in London whose past work matches that scope, and put each one through the same first conversation: a real problem from your project, presented cold, to see how they think rather than how they pitch. The App Development company in London that asks the sharpest follow-up questions is usually the one worth a second meeting.

Working with a App Development company in London usually comes down to a straightforward trade: strong technical talent at a price point that's hard to match in higher-cost markets, without the coordination overhead of a fully remote, no-local-presence vendor. Teams based in London tend to understand both the practicalities of international client work and the local hiring market, which shows up in smoother onboarding and fewer surprises around contracts and invoicing.

The firms that rank well among App Development companies in London typically have verifiable client references, a track record of finished (not just started) projects, relevant certifications, and consistently positive feedback across multiple engagements — not just one standout case study. Self-reported claims with nothing to back them up carry little weight here; documented outcomes do.

Yes — you can filter App Development companies in London by budget range, hourly rate, team size, and area of specialization before reaching out to anyone. Pairing those filters with review scores usually gets you to a realistic shortlist in a few minutes instead of manually working through every listing in the category.

Skip past the summary and go straight to the portfolio examples, the full text of client reviews (not just the star rating), and how long the company has been operating. Reviews that mention specific, measurable results — a faster checkout flow, a successful migration, fewer support tickets — tell you far more than generic praise. It's also worth checking whether the App Development firm in London responds to reviews at all, since that habit tends to mirror how they handle feedback during an actual project.

Bring a real problem from your own project to a discovery call and see how the team engages with it — the quality of their follow-up questions tells you more than any slide deck. Ask to see actual code from past work, not just screenshots of the finished product, and look for evidence of technical writing, open-source contributions, or conference talks, which are harder to fake than a polished portfolio page. A App Development company in London with genuine depth won't be shy about any of this.

It depends on your business goals, but a App Development company in London that's serious about outcomes will tie their KPIs to yours — activation rate, feature adoption, conversion, churn, revenue per user — rather than reporting on generic delivery metrics like story points closed. Get analytics wired in from the start so there's a real feedback loop between what gets built and what actually moves the business, and agree on which numbers matter before the project kicks off.

Most experienced App Development companies in London have done this kind of integration many times over — Salesforce, HubSpot, Zoho, and similar platforms are common enough that it's rarely a novel problem. What matters more is giving your App Development partner in London a full, honest picture of your current stack upfront, so the integration is built cleanly instead of patched together after the fact.

Platforms like Clutch and GoodFirms are a good starting point, since they require some independent validation of the work described. A strong case study from a App Development company in London spells out the original problem, what was actually built, and a measurable result — not just a screenshot and a paragraph of praise. Match case studies to your own industry and scale wherever you can; a great result in an unrelated space tells you less than it seems to.

The sweet spot for value tends to be mid-size App Development companies in London — big enough to have real process and accountability, small enough to keep overhead (and therefore price) reasonable. These firms usually can't compete with large agencies on brand name, so they compete on transparent, milestone-based pricing and a portfolio that speaks for itself. Ask to see completed work at roughly your budget level before assuming a firm is a fit.
Get Listed