As of November 2026, this directory tracks 59 appcelerator-titanium 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 $150, the median rating is 4.4, and 16% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Software Development, Web Development, and Bot 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 appcelerator-titanium firms 4.8/5 on average. $150 - $199 / hr is the most common rate band. Roughly 15% 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.

59
Verified Firms
$150 - $199 / hr
Most Common Rate
4.8
Average Rating
15%
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 appcelerator-titanium 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 $150 - $199 / hr 50 - 249 2004 London, England Visit Profile
6
4.3 6 $100 - $149 / hr 50 - 249 2008 London, England Visit Profile
7 4.3 6 $50 - $99 / hr 10 - 49 2013 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 — — $100 - $149 / hr 2 - 9 2018 London, England Visit Profile

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

No reviews yet
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$150 - $199
10 - 49
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$150 - $199
10 - 49
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
—
$150 - $199
2 - 9
—
Undisclosed
2 - 9
—
Undisclosed
2 - 9
2011
$150 - $199
2 - 9
GBP 18,959+
Mobile App Development Web Development UI-UX Design Web Design Branding Social Media Marketing Content Marketing
No reviews yet
—
$150 - $199
2 - 9
4.1 6 Reviews
2009
$150 - $199
50 - 249
GBP 3,791,775+
Mobile App Development Web Development Enterprise App Modernization
No reviews yet
—
Undisclosed
2 - 9
—
Undisclosed
Freelancer
4.3 6 Reviews
2001
N/A
2 - 9
GBP 18,959+
Mobile App Development AR App Development Game Development Mobile App Design
2012
$100 - $149
10 - 49
—
$100 - $149
2 - 9
—
Undisclosed
10 - 49
—
Undisclosed
2 - 9
—
$150 - $199
10 - 49
4.6 9 Reviews
—
Undisclosed
10 - 49
4.1 7 Reviews
2010
$50 - $99
50 - 249
GBP 3,791,775+
Mobile App Development Web Development UI-UX Design Custom Software Development Web Design E-commerce Development
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FAQ

Frequently Asked Questions

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

Put the same short brief in front of every App Development company in London you're considering, and compare not just their quotes but how each one interprets the brief — what questions they ask, what risks they flag, what they'd do differently. Price and timeline matter, but they mean little without knowing whether the firm actually understood the problem. Calling one or two of each company's past clients directly usually tells you more in ten minutes than another round of proposals would.

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.

London turns out a steady stream of engineering talent each year, and the stronger App Development companies in the region have built real depth across current frameworks, cloud infrastructure, and mobile platforms rather than relying on a handful of senior people. For larger projects, ask specifically how a firm staffs beyond its founding team — that answer tells you whether their bench is genuinely deep or whether growth would strain it.

The line items that push a App Development project in London over budget are rarely the obvious ones — it's usually the number of third-party integrations, how deep the testing needs to go, and what happens after launch in terms of support and maintenance. Compliance and security work, if your project needs it, adds a real chunk on top. A proper discovery conversation with your App Development partner in London should surface most of this before you sign anything.

The surprises usually aren't from the App Development company's own fees — they're things like third-party tool licenses, cloud hosting once the project scales past the free tier, app store fees, and whatever maintenance retainer kicks in after launch. A straight-talking App Development firm in London will list these out unprompted; if a proposal looks suspiciously clean, ask directly what isn't included in the number you're seeing.

The reputable ones treat it as non-negotiable — NDAs signed before any real discussion happens, access controls that limit who on the team can see what, and contract language that clearly transfers all IP to the client on final payment. Internal confidentiality agreements for staff are standard practice at any App Development company in London worth hiring. If a firm is loose about any of this in early conversations, that's a preview of how they'll handle it once your data is actually in their systems.

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.
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