top cloud security companies london

Top 10+ Cloud Security Companies in London (2026)

Last Updated 06th November 2026 | Category: Top Cloud Services Firms

As of November 2026, this directory tracks 60 Cloud Security 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 $75, the median rating is 4.5, and 23% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Cloud Computing Services, Software Development, and AI 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 cloud security firms 4.8/5 on average. $25 - $49 / hr is the most common rate band. Roughly 22% 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.

60
Verified Firms
$25 - $49 / hr
Most Common Rate
4.8
Average Rating
22%
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 Cloud Security 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
4.7 8 $25 - $49 / hr 250 - 999 1998 São Paulo, Brazil Visit Profile
3 4.5 7 $200 - $300 / hr 10 - 49 2010 Perth, Australia Visit Profile
4 4.5 6 < $25 / hr 250 - 999 2008 — Visit Profile
5
4.4 8 $25 - $49 / hr 1000+ 1991 — Visit Profile
6
4.1 8 $100 - $149 / hr 10 - 49 2010 Helsinki, Finland Visit Profile
7 4.1 7 $100 - $149 / hr 10 - 49 2005 — Visit Profile
8 4.5 8 N/A N/A 2009 — Visit Profile
9 4.2 9 $100 - $149 / hr 10 - 49 2003 Taguig, Philippines Visit Profile
10 4.7 10 $150 - $199 / hr 10 - 49 1969 Saint Paul, MN Visit Profile

The List of Top 10+ Cloud Security Companies In London 2026

No reviews yet
2005
$150 - $199
10 - 49
4.3 6 Reviews
2008
N/A
N/A
GBP 18,959+
Mobile App Development UI-UX Design Android App Development iOS App Development
2016
$50 - $99
2 - 9
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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.

London turns out a steady stream of engineering talent each year, and the stronger Cloud Services 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.

Rates for Cloud Services developers in London spread out quite a bit depending on seniority — junior developers sit at one end, senior engineers and architects at the other, with company size and specialization shifting things further. What tends to hold across the board is that Cloud Services developers in London come in noticeably cheaper than comparable talent in the US or Western Europe, without a proportional drop in the quality of work.

You'll generally see three options from Cloud Services companies in London: fixed-price for scopes that are already nailed down, time-and-materials for projects where the requirements are still taking shape, and a dedicated-team arrangement for products with no real end date. Fixed-price protects your budget but punishes scope creep; time-and-materials is more forgiving of changing plans but requires more active oversight from you. A Cloud Services firm in London should be able to explain which one fits your situation, not just default to whichever is easiest for them.

A good Cloud Services company in London won't make you ask for updates — you should have standing access to a task board, regular written progress notes, and visibility into a staging environment where you can see the work as it's built, not just at the end of a sprint. If a firm treats this kind of access as an inconvenience rather than standard practice, take that seriously before signing anything longer-term.

The highest-rated Cloud Services companies in London usually earn that position through a combination of solid technical delivery and genuinely good communication — the two rarely show up separately in strong reviews. Look past the aggregate star rating and read a handful of full reviews; specific, detailed praise about how a project actually went is a far better signal of which Cloud Services company in London will be a good fit than a number alone.

The sweet spot for value tends to be mid-size Cloud Services 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.

Start by filtering for Cloud Services companies in London with direct experience in your vertical — a firm that has already built for healthcare, fintech, or retail will already understand the compliance rules and user expectations that come with it, instead of learning them on your project. Ask for case studies specific to your industry, and where possible, talk to a client from the same sector to confirm the experience is as deep as the portfolio suggests.
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