Top Artificial Intelligence Companies in London

Custom Software Development for Software Startup

The level of technical talent is generally very high, however the higher-level client engagement function is exceptional. There are regular team performance reviews which includes the account manager as well as the local engineering manager. Problem areas are immediately acted upon, and the vendor team is very good at maintaining a very high level of team performance. The flexibility and ability to staff unique needs on a very tight timeline were world-class.

Staff Augmentation for Open Banking Company

The flexibility and willingness to help. They solved problems in a quick and efficient way.

Frontend & Backend CSS Web Dev Augmentation Team

The project management was impeccable; we are super happy. They took great initiative, and delivered everything on time and within budget.

Refactoring of Medical Messaging & Staff Augmentation

The ability to reverse-engineer and figure things out blew me away. I was worried that there would be a lot of handholding and downtime, but iTechArt took on tasks with very little description of what was needed.

Python Marketplace Platform Dev for Trading Platform

We continually receive complements about our current application and how easy it is to use, which is as much a testament to iTechArt’s work as it is to our internal design work. We recently had to create a 1-off version of our app on a standalone device for a tradeshow but with a ton of added features while keeping it securely connected to our backend. iTechArt was able to turn around the additional build, and the only issues we had were related to the spotty internet. The application worked perfectly throughout the event, and we were able to increase our user base 3x over the course of 10 days.

Mobile Prototyping for Consumer App Startup

We also appreciated how passionate and engaged their team was. We were looking for a partner that would care about the work, which proved to be outstanding from STX Next's side.

Ongoing Development for Online Culinary Resource

STX Next stands out through the passion showed for the business. This starts at the top, with their principal. STX Next has paid a lot of attention to customer details.

Ongoing Python Dev for Financial Tech Company

STX Next’s team is passionate and has a great work ethic. They are willing to learn and understand our business. Instead of just coding to our specs, STX Next engages with us as a partner, wanting to understand, improve the code, and deliver better products.

Generative AI Development for Email Design Platform

Project management was solid and responsive. There were a few minor scheduling delays, but the team handled them professionally and kept us well informed.

AI Consulting & Development for Pop-Up Builder

ZONE3000 managed the project professionally and maintained clear, responsive communication throughout. They focused on real business value rather than adding AI for the sake of AI. The project went smoothly overall.

IT Staff Aug for Property Finance Company

Access to talented and committed people. Their engineers are excellent, and I have worked with some of them across 2 companies, and for many years. The unwavering commitment to continue to do the best for their clients, even when Russia attacked Ukraine, and the resilience to work under stressful and uncertain conditions - often working late to make up lost hours - was incredible.

WordPress Development for Consulting Firm

They performed pretty well. They were super organised and generally kept track of everything really well. We used Slack to do real-time comments and feedback, and we had weekly calls during the entire project.

UI/UX Design & Prototyping for Telehealth Mobile App Co.

Empat’s project management was very clear and structured. They used Jira to manage the project and Confluence to keep everything documented, allowing us visibility into the tasks. We also had regular meetings with our project manager on Google Meet, where they updated us on the project's status and answered our questions.

Web Development & Design for Healthcare Startup Company

Project management was excellent. They set up the project management independently, which was very structured. They did the estimates for timelines, and the deliverables were very clear.

UI/UX Design & Web & Mobile App Dev for Crypto Company

Their organization is outstanding; in our kickoff meeting, they presented a clear plan and went above and beyond to keep us updated.

Web Dev for Digital Marketing Solutions Firm

Very organized, responsible, result-oriented team. It was a pleasure communicating with them, as they are very friendly and have a good sense of humor. Communication tools and timelines: notion, slack, Jira, email. Project management style: scrum.

Web & Mobile App Development for Consulting Company

It's hard to find organizations that value old world business ethics. They do what they say they're going to do. They are honest, forthright, and highly ethical. They received feedback and took action quickly.

Penetration Testing for Financial Services Company

Future Processing brings a wealth of expertise and a proven methodology that ensures comprehensive and thorough testing. Their team of seasoned cybersecurity professionals employs both automated tools and manual techniques to uncover vulnerabilities that others might miss. Their approach aligns with the latest industry standards, such as OWASP API Security Top 10 and NIST guidelines, guaranteeing that every aspect of our API security is meticulously evaluated. What sets Future Processing apart is their ability to tailor their services to our specific needs. They took the time to understand our unique business requirements, API architecture, and potential threat landscape. This customization ensured that the testing was not just a generic check, but a deeply insightful process that identified critical vulnerabilities relevant to our operations. Future Processing provided us with detailed, actionable insights that went beyond merely listing vulnerabilities. Their comprehensive reports included clear risk ratings, practical remediation recommendations, and a thorough impact analysis. This empowered our team to prioritize and address the most pressing issues effectively, enhancing our overall security posture. In addition to their technical prowess, Future Processing offers remarkable value for money. Their services are competitively priced without compromising on quality. The return on investment is evident in the robust security improvements we've achieved post-engagement. The combination of high-quality service and cost-effectiveness makes them an invaluable partner in our cybersecurity journey.

Web & Mobile App Design & Dev for Online Discourse Platform

This is my first time working on a project like this, and I felt like I was always in the hands of a trustworthy and extremely capable team. Communications were honest, and forthright, and always warm and engaging. All that, and they do great work!

Software Dev for Digital Product Studio

GeekyAnts was always focused on the details; they were very specific. They also had a lot of trust in us and gave us a wonderful opportunity. Their work ethic and importance they give to the team in both good and bad times were impressive.

Virtual Events Platform Dev for Event Production Company

They are extremely personable, friendly, and open to all sorts of last-minute requests, which happen quite regularly in our brand of work. Old.St Labs is very flexible and adaptive to the varying demands of the industry. I don’t have a huge amount of experience with development houses, but the difference between Old.St Labs and other developers is that they are ready and willing to adapt.

E-Commerce Dev for Online Retail Company

We are happy with the cooperation with SoftBlues, as they were very diligent in terms of deadlines. The quality of their work has proved to be highly effective, all the possible bugs and mistakes were foreseen and fixed quickly. We could say that their dedication has exceeded our expectations. They carefully consider all our recommendations and remarks and do even more by offering highly valuable solutions.

Wireframing & MVP Development for Software Engineering Firm

Innovify was really helpful during the discovery process in enabling us, as non-technical people, express our needs and goals. The project manager was very well-organized and always accessible. They showed that they had a solid grasp of our requirements. Another outstanding quality was the senior team's accessibility. The overall structure and organization of their team was thorough and gave us a sense of assurance.

MVP Dev for Health & Fitness Platform

During the discovery phase, Innovify was able to help us, as non-technical people, articulate what we needed to do and what we wanted to focus on. The project manager was always available and on top of things. He was very thorough and completely understood what we required. One other thing that stood out was how accessible their senior team was. The overall structure and organization of their team was very comprehensive and quite reassuring.

Mobile App Dev for Food Ordering Platform

We communicated through Slack, Skype, and phone calls. I was in touch with them 7 days a week. I interacted with their project manager, but I also had direct access to every single resource, from the developers to the testers. Even though we worked using an outsourced model, Innovify gave me the feeling of having an in-house team. I had direct access to their resources, and they had direct access to me.

Web & Mobile App Dev for Entertainment Technology Company

The vendor was flexible about adopting the tools that our work needed. Their communication has always been on time. I was impressed by the high degree of professionalism from everyone from Itransition.

Developer Augmentation for Learning Management Platform

Itransition's project Management style is flexible and has been updated to fit our requirements multiple times. As of today, we work under Agile Methodologies with daily stand-up meetings and bi-weekly sprint rituals. The Project Manager is a great asset to my role as Product Owner in managing these rituals.

Custom Software Development for Nonprofit Organization

When we’ve worked on topics outside their area of expertise, they have been quick to train their team, listen to our direction, and provide appropriate solutions. They’re always able to come up with solutions to satisfy us and our partners. They provide solid solutions and are adaptable when faced with unfamiliar situations.

Custom Development for Independent Contractor

Flexibility was my next concern. Because I work with large companies, they’re still made up of individuals and they all have deadlines. Itransition is extremely flexible with how it deals with incoming change requests. The last was being solution-oriented.

Enterprise Application Development for Monetization Firm

The one thing that’s been great about Itransition is the way they treat our relationship. They've gone out of their way to be flexible with us, and they really take ownership of their work, which is reflected in its quality. They’re totally ingrained and embedded in our development process.

AR Dev Services & Consulting for Marketing Company

Takeaway Reality is professional, and they deliver what they promise. They’re good at meeting our expectations, even when they’re not clearly defined. If I could clone their two project managers, I would — they’re amazing. They respect the timelines and deadlines.

TikTok AR Filter Dev for Social Project

The team was very creative, and all tasks were completed on time. Creativity and expertise. Everything is fine.

Instagram Filter Dev for Business School

We appreciated the reactivity, creativity, and vanguardist approach of the team.

AR/VR Development for Supermarket Chain

Each of the team members always has a lot of ideas. They suggest how best to launch the filter and promote it, offer non-standard promotion ideas, and focus on its effectiveness.

Digital Marketing & AR Filters for Casino Brand

The most impressive thing was the endless creativity. The studio continues to inspire. The uniqueness of the company is that there is not a drop-in bureaucracy and training in the creative market.

Generative AI & Graphic Design for Creative Studio

We were able to reduce internal production time, expand the number of creative concepts explored, and launch campaign materials faster than initially planned. The delivered visuals strengthened our brand positioning and were successfully integrated into our digital communication and client presentations. We were particularly impressed by their deep understanding of AI-driven production combined with a strong creative vision. They approached projects strategically, not just technically, and delivered visually refined, high-quality results.

E-Commerce Web Migration for Outdoor Apparel Company

Shinetech managed the project efficiently and responded quickly whenever urgent support was needed. During a critical outage situation caused during the migration process, their team reacted immediately and completed the emergency transition work within a few hours, which helped minimize business disruption. Communication was clear throughout the process, and they were flexible in responding to changing requirements and support requests.

Custom Software Development for Dental Company

Shinetech Software’s project management is good; they deliver on time. We communicate via virtual meetings, emails, and messaging apps. Their work is done efficiently and with high quality.

Various App Development Projects for Lighting Company

An aspect of Magora Systems that stands out, in particular, compared to other off-shore options that we have talked to, is that everyone from the account managers to the developers is very personable, which makes them a pleasure to work with. At every point, we feel that we are dealing with someone who takes pride in their work and is focused on delivering the best quality outcome.

SaaS App Development for Audience Engagement Company

The team was great to work with, they were flexible, adaptable, quick, and professional. Their ability to work through concepts, provide good ideas and input, and be flexible in adapting to new and rapidly evolving requirements was remarkable. They were also extremely responsive and worked through weekends and night on critical items and real-time bug fixes as required to meet customer needs.

Custom Software Dev for Medical Software Company

Light IT does their best to do whatever we ask for, even if it involves some scope creep or is a bit stressful for them. Hands-down, they’re the best at shifting priorities and incorporating new asks into the scope. They do whatever is necessary to meet our needs, even if it means telling us what we’re asking for isn’t possible and developing an alternative.

Web Dev for Software & Marketing Company

They were flexible and innovative developers in regard to the project challenges. The built solution is elegant and could fully replace the old-fashioned desktop tool going forward.

Outsourced Dev Support for Contract Developer

Light IT's developers provide high-quality work. They're also very hardworking, flexible, communicative, and reasonably priced compared to others in Europe or the U.S.

App Development for Digital Transformation Agency

We doubted whether the distance and difference in cultures could be problematic. It's true that there were some misunderstandings and different perceptions of the project's goals and characteristics. But in general Light IT proved to be flexible and very professional. They were able to understand our feedback and adapt their work.

Custom Software Development for IT Services Company

The company demonstrated reliable management by maintaining a 100% milestone completion rate, ensuring all deliverables were submitted on schedule. This consistency highlights their commitment to meeting project deadlines and delivering on time. Additionally, their proactive approach and ownership of tasks further underscore their reliability.

Custom Software Development for Software Development Company

Uvik Software demonstrated strong and reliable project management throughout the cooperation. Tasks were well-organized, priorities were clearly defined, and delivery timelines were consistently met. Most deliverables were completed on schedule, and any potential delays were communicated in advance. The team was responsive and flexible in adapting to changing requirements and business needs.

Development Staff Augmentation for Software Development Firm

Uvik Software was organized, responsive, and easy to work with throughout the engagement. Even though this was a staff augmentation setup, their coordination was strong: they communicated clearly, adjusted quickly to our needs, and kept the onboarding and staffing process smooth. The engineers they provided were reliable, worked well within our processes, and consistently delivered their assigned work on time.

Data Engineering for Blockchain Development Agency

In terms of delivery, they were reliable and responsive. Most work was delivered on time, and when priorities shifted, they adapted quickly without a lot of friction. They were also proactive about raising risks or suggesting better ways to approach a problem instead of just waiting for instructions.

IT Staff Augmentation for SEO Agency

Uvik Software’s engineers worked as part of our internal data team, so project management was very smooth. Most deliverables were completed on time, and when a task required more investigation, they communicated the reason clearly and early. Their response time was strong, and they were reliable during production issues. When we had pipeline failures or data delays, they helped troubleshoot quickly and usually came back with both a short-term fix and a longer-term prevention plan.

Development for Financial Startup

The developers are experienced and knowledgeable, working well together as a team. They believe in the product vision and work hard to meet our expectations.

Development Staff Augmentation for Nonprofit

Very well organized with clear summary of the tasks and time used. Their communication was very direct, helpful, and pleasant. How everything is organized and communicated, the affordable costs, skills, reliability and availability.

Custom Dev for Ed Tech Startup

*instinctools is a professional and well-organized group, from representatives to project managers, giving us the overall confidence that they'll be responsive to our needs.

Custom Software Dev for Software Dev Company

The project management for the web application development was organized and efficient, adhering to established methodologies such as Agile or Scrum. The team held regular sprint meetings to assess progress, discuss challenges, and re-prioritize tasks as necessary. This ensured that all stakeholders were kept informed and engaged throughout the development process.

Long-term Dev Engagement for Industrial Automation Startup

*instinctools' team was dedicated to our project, even working during the night. If we had any questions regarding the organization, *instinctools addressed it. We initially used GitHub for the collaboration but moved to the Atlassian suite. They are organized. We did not experience issues with communication, and they were always responsive to requests and questions.

Third-Party Plug-In Development for Customer Review Platform

What impressed me most about Snotor was their exceptional professionalism and attention to detail. From the very beginning, they took the time to fully understand our needs and delivered customized solutions that exceeded our expectations.

Web Dev, UX/UI Design & Branding for Fintech Co

Goodface agency's expertise in design and development impressed us the most. With them, we knew everything would work seamlessly, freeing us from technical concerns — they had it all under control. And of course, their fresh view was something! They looked at the market from a new angle and found a standout approach. Instead of endlessly translating dashboards and interfaces, Goodface designers used custom illustrations with bold contrasts to capture the project’s essence. It was unique — and it worked beautifully.

Custom Software Dev for Private Tutoring Company

I also appreciate their hybrid model that allows me to work with developers as well as Stakk teammates who aren’t only technical. I’ve worked with agencies based in India in the past, and there have been communication gaps. I’ve also worked with agencies that don’t use common sense and only build exactly what they’re told. I want a team that is going to be actively involved and suggest improvements. Girish isn’t fully technical; he’s a designer who understands concepts and MVPs. He’s creative and thinks outside the box.

Custom Software Dev for Tech Company

What stood out most about this agency was the rare combination of technical excellence and genuine creative talent that they brought to every aspect of the project. It is not often that you find a team that is equally comfortable diving deep into complex technical architecture as they are crafting beautiful, thoughtful user interfaces, and that balance has been reflected in the quality of the product we have built together. Their ability to truly listen and understand our vision was something we found exceptional. Rather than simply executing a brief, they immersed themselves in our goals, our users, and the problem we were trying to solve.

Video Production for Real Estate Development Company

The team are all genuinely lovely people with a high level of expertise. I feel completely safe in their hands and trust them implicitly to deliver on time and within budget. They are really creative and solution driven - happy to go the extra mile to make something work. Their passion is palpable and they only deliver to the highest standard.

Mobile App Dev for Mental Health NGO

The project management was effective and well-structured. The team maintained regular communication, provided timely updates, and ensured continuous coordination across key workstreams (service delivery, monitoring, and digital development). Deliverables were implemented according to the agreed plan, and when delays occurred due to external factors, the team adapted workflows quickly to maintain continuity.

E-Commerce Dev for Health Supplements Store

We are very impressed with their integrity and quality of service. They work flexibly and provide additional support on demand. Their team’s experience and variety of skills puts us at ease; There wasn't a single challenge they couldn’t address.

Chat Functionality for Software Services Company

We are very impressed with their integrity and quality of service with flexibility to provide us additional support on demand. Their team has the right skills and experience to put us at ease; There wasn't any case they couldn’t provide a solution for. Their dedication, determination, and availability make Tatvasoft a great asset.

Mobile App Dev for Concierge Services Company

What I like the most about IIH Global Limited is that they think outside the box. Technically, they're very good, but whenever I have an issue, they can come up with the right solution based on my business needs because they've quickly understood what I'm trying to do.

IT Managed Services & UI/UX Design for Property Maintenance Company

We’re impressed by IIH Global Limited’s ability to provide both development and UI/UX design for our system.

SEO, Website Design & Website Development for Jewelry Brand

What did you find most impressive or unique about this company? Deep expertise in WordPress as well as broad general web development expertise.

CRM Development for Business Services Company

I'm impressed by IIH Global's technical expertise.

Mobile App & Web Dev for Pharmaceutical Company