Leaf through the premier custom software development companies in London that customize, maintain and/or build high-quality solutions, mobile applications and more. Filter listings by reviews, pricing, team size to find the ideal team for your project requirements and budget.
Best London Software Development Firm Rankings
11 Companies-Rankings updated: August 19, 2026
DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.
VerifiedVerified by the DesignRush team for authenticity and credibility.
World's #1 Rated & Reviewed App, Website & Software Development Company
Probey Services builds websites and mobile apps on WordPress, Shopify, and Flutter, for clients like Lineage and Gunzilla Games. Its team of 320+ developers covers eCommerce, healthcare, and edtech across 30+ countries. Best fit for SMBs needing affordable development services...
Location
London, United Kingdom
Number of Employees
250 - 499
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
Portfolios Count
81 Projects Listed
Probey Services Services
Mobile App Development
Software Development
Web Development
Web Design
WordPress Website Design
Digital Marketing
Digital Services
SEO
IT Services
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Bartisans
Samyakk
30 Days Fitness
Isharya
The Estate Residences
VegenMart
Fresh Menu Application
PRAO Fashion Jewellery
Audentia Space
Wings of Change
Data sourced from the agency's DesignRush profile
Probey Services Reviews & Testimonials
Rajat Sinh
Founder at Aaayan Systems
5.0★
Web Development Review from Rajat Sinh
Probey transformed our outdated website into a modern, high-performing platform by understanding our business goals and delivering the right solutions. Since the launch, we have seen significant growth in website traffic, lead conversions, and operational efficiency through their backend integrations. Impressed with their expertise and quality of work, we also trusted Probey with our CRM development project as well. Thank you to the entire Probey Services team for your professionalism and support.
Roshan
CEO at NanoTherapX
5.0★
Web Design Review from Roshan
This is Roshan, CEO at NanoTherapX. Working with Probey Services for our CRM Development. What stood out most was their stability, consistency, reliability, and a smooth implementation. The CRM has streamlined our client management, improved team efficiency, and helped us manage operations more effectively. Since its implementation, we've seen better productivity and consistent business growth. I highly recommend Probey Services UK to any business looking for a reliable technology partner.
Tejaswini
Director at Green Matter Packaging
5.0★
Mobile App Development Review from Tejaswini
What stands out most about Probey Services is their discipline-no missed calls, no vague timelines, and no surprises. They built our mobile app with a level of professionalism that made us feel like a priority throughout the project. The delivery was on schedule, the code quality was excellent, and the final product met high standards. Since the app launch, we've seen consistent business growth, and managing customer orders has become much more efficient. I highly recommend Probey Services UK to any business looking for a dependable technology partner.
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews
Since 2003, scandiweb has helped global brands and startups grow through Magento development, mobile solutions, and practical AI for eCommerce. Clients include Jaguar, Land Rover, Peugeot, The New York Times, and 700+ businesses in 35 countries...
Location
London, United Kingdom
Number of Employees
500 - 999
Minimal Budget
$1,000 - $10,000
Portfolios Count
16 Projects Listed
Scandiweb Services
eCommerce Development
UI/UX Design
Mobile App Development
VR/AR
AI Development
Web Design
IoT
Software Development
SEO
Digital Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Wallmart
New York Times
Lafayette148NY
Rockar
Buff
Jysk
Kuru footwear
Lamborghini
Samsung
Puma
Data sourced from the agency's DesignRush profile
Scandiweb Reviews & Testimonials
Marc Casper
Chairman, President and CEO at Thermo Fisher Scientific
5.0★
Digital Advertising Review from Marc Casper
For the digital marketing portion of the project, Scan tracked growth and engagement on our social media platforms. It was clear that their work directly drove growth in our online presence. On the web development side, our investors and internal executive stakeholders were impressed with their work. Its too early to truly gauge the value of the site, but in the immediate term, those who didn't like the old site have really liked the new one.
They were great with structuring regular Zoom calls to keep everything on track. Outside of these calls, we communicated via email and Basecamp.
Amanda Watts
Founder at Business Advisor Academy
5.0★
Digital Advertising Review from Amanda Watts
In our email marketing campaigns, we've seen a 25% return on investment. Our PPC ROI is 250%. They've found a way to attract an audience to our site despite safety training not being an objectively exciting subject.
Their project management skills are fantastic. They report progress to us multiple times a day, which keeps me happy. Scandiweb is always in touch with us to make sure we know how everything is going. We never have to chase them down about anything.
JOSHUA MARGOLIS
Owner and Founder at Mind Over Matter
5.0★
eCommerce Development Review from JOSHUA MARGOLIS
The purpose of this project is to redesign the existing website with a modern, user-friendly interface and integrate a custom checkout system tailored for subscription-based services. The new design will enhance the user experience, improve site performance, and streamline the subscription process to increase conversions and customer retention.
The speed at which you completed the project without compromising on quality is truly impressive. Not only did you meet our tight deadlines, but the site also looks modern, runs smoothly, and the functionality has been greatly improved.
Your attention to detail, responsiveness, and ability to quickly address any feedback or issues along the way made the whole process seamless. This upgrade has already made a significant difference, and we couldn't be happier with the results.
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews
Digital Heroes is a full-stack Shopify development and digital marketing agency founded in 2017. We specialize in building high-converting ecommerce stores, Shopify custom development, web design, SEO, and brand growth strategies. With 2,000+ stores built and $10M+ in client revenue generated, we are a...
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
Portfolios Count
23 Projects Listed
Digital Heroes Services
Software Development
Web Development
Mobile App Development
WordPress Website Design
Branding
eCommerce
eCommerce Development
SEO
Web Design
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
EMANI Beauty
Rizz Pickleball
Evada UAE
JustDerma
Noble Paris
Neurvana Ohana
Big Game Sports
ToxVeto
Fresh Water Pool Supply
Panacheeza
Data sourced from the agency's DesignRush profile
Digital Heroes Reviews & Testimonials
Brent Beardslee (Belish)
Review from Google
5.0★
Brent Beardslee (Belish)'s Review Sourced from Google
A terrific comics and game store. Comics and Manga up front with Warhammer 40k, Magic, D&D and others in the back. They have a good selection od Warhammer 40k models as well as Age of Sigmar.
Sylvie Dale
Review from Google
5.0★
Sylvie Dale's Review Sourced from Google
Stopped in for some Magic card boosters and was greeted warmly by all staff and the owner, who gave me a rundown of upcoming gaming events at the store. I was blown away by the complex schedule they keep - free play, draft play events, and more. The owner gives freely of his time to provide those events, and it's clear he cares.
Perry
Review from Google
1.0★
Perry's Review Sourced from Google
Extremely judgemental, sad, employees. I recently moved to town and came in after work in my business attire. After getting a confused look from the associate up front, (not even a greeting). I started browsing, but everytime I looked up, I was being stared at which made me slightly uncomfortable. I moved towards the back and an associate there said hello, we had a short chat about comics and trading cards but they were rude to a younger customer that came in, it was unwarranted and I'm assuming either this is the employee's normal behavior or an elitist owner. I also couldn't help but wonder if the associate was under some sort of influence. After noticing the trading card prices are exponentially higher than I'm used to seeing in bigger cities, where that sort of pricing would make more sense; I took my leave not purchasing anything feeling underwhelmed. As I passed the associate up front, they still did nothing but continue to stare. Are they not used to the professional community? The store is tidy and organized but cluttered and the atmosphere/vibe is cold. Also not much of a variety for a hobby store. I would much rather take the trip to Milton Freewater to the hobby store there or even Gamestop would be a better choice. I do not see myself returning in the future.
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews
Scalable Headless CMS Solutions. Across code, content, and teams.
Headless CMS experts and Next.js development agency. We build and migrate composable CMS and eCommerce systems engineered for AI SEO, multi-market scale, and marketing velocity...
Location
London, United Kingdom
Number of Employees
Under 49
Portfolios Count
9 Projects Listed
FocusReactive Services
Web Development
eCommerce Development
AI Development
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
EasyPark
Caleffi
QuantHealth
xWeather
Firsty
Real Thread
EmailOctopus
Arrive
Tipico
CasinoReviews
Data sourced from the agency's DesignRush profile
FocusReactive Reviews & Testimonials
Denis Oleynikov
Manager at Blooper
5.0★
Headless CMS Review from Denis Oleynikov
They handled the entire frontend implementation and CMS configuration for our web marketing ecosystem. They basically set up a Storyblok CMS instance that is fully usable for non-engineers, built the React/Next.js frontend to render our layout blocks, and handled the full Vercel infrastructure deployment. They also integrated our HubSpot forms and analytics tracking scripts.
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews
Creative digital solutions /with a sprinkle of human touch.
Inventiff is a full-service tech partner that helps businesses transform ideas into innovative, scalable digital solutions fast and efficiently. We specialize in building high-performing websites, custom digital products, and finding expert talent for key areas...
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
9 Projects Listed
Inventiff. Services
Web Development
Web Design
Software Development
UI/UX Design
Mobile App Development
Graphic Design
Product Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Bookster
Planable
Bookr
Omniconvert
ialoc
HCT
Cango Mobility
TaskManager
WolfPack
Around25
Data sourced from the agency's DesignRush profile
Inventiff. Reviews & Testimonials
Paul Andrei
Review from Google
5.0★
Paul Andrei's Review Sourced from Google
Great team! They helped us in developing custom solution for our business.
We recommend their services!
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews
We design, build, and evolve enterprise-grade digital systems combining thoughtful design, robust architecture, engineering precision, and AI expertise to deliver technology that scales, performs, and lasts...
Location
London, United Kingdom
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
RONIS Services
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Era Biz Solutions stands as a distinguished offshore software development company, renowned for its expertise in UI design and web design. With a focus on delivering high-quality solutions, we cater to a diverse clientele, ensuring seamless integration of innovative design elements into cutting-edge software...
Location
London, United Kingdom
Number of Employees
50 - 99
Era Biz Solutions Services
Software Development
Cloud Consulting
Staff Augmentation
Mobile App Development
Web Development
DevOps Consulting
IoT
Managed Services
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Sri Lanka Government (Samurdhi Department)
SASIP Institute - Sri Lanka
Vascari UK
Data sourced from the agency's DesignRush profile
Era Biz Solutions Reviews & Testimonials
Rizvi R
Review from Google
5.0★
Rizvi R's Review Sourced from Google
As a current Senior IOS Engineer at Erabiz Solutions, I can state with confidence this is one of the best places to work in the tech industry.
We use the newest technologies, including Swift, SwiftUI, and Combine, to make sure our apps are cutting-edge and highly functional. There is a significant emphasis on code quality, best practices, and professional development, and the leadership team is encouraging. The team atmosphere is incredibly motivating, and the work-life balance is superb.
Vansh Raj
Review from Google
5.0★
Vansh Raj's Review Sourced from Google
If you're looking to hire dedicated developers for BigCommerce eCommerce solutions, look no further than Era Biz Solutions. They have some of the most experienced developers I've ever worked with.
I initially needed a development team for my BigCommerce website, and I was blown away by their expertise in BigCommerce. They even introduced Catalyst, a fully functional storefront, and explained how it helps create personalized, SEO-friendly experiences.
I highly recommend Era Biz Solutions if you're searching for the best BigCommerce solutions provider. Trust me, you won't be disappointed.
Nirodha prasad
Review from Google
5.0★
Nirodha prasad's Review Sourced from Google
I live in Australia and was looking to hire dedicated developers from a reliable software development company in Sri Lanka to work on my latest eCommerce project using the BigCommerce platform. After thorough research, I chose Era Biz Solutions, and they exceeded all my expectations.
From the initial consultation to the final launch, the team guided us through every step with exceptional professionalism and care. Their expertise in eCommerce development and seamless BigCommerce integrations made a significant difference in the success of our project.
If you're looking for top-notch developers to bring your vision to life, especially for BigCommerce solutions, look no further than Era Biz Solutions. Special thanks to Isuru and the entire team for their dedication and outstanding support. Highly recommended!
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews
Blockproof is a premier blockchain development and consulting agency dedicated to navigating complex business challenges. The firm provides tailored solutions for investment, service integration, and new project development, ensuring clients stay ahead in the evolving blockchain ecosystem. Blockproof's...
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$300/hr
Minimal Budget
$25,000 - $50,000
blockproof. Services
Blockchain
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
EGGsist was born with the goal of advising companies who want to approach digitalization in China and those who want to target the Chinese audience. With offices in Hong Kong, Milan and London, Eggsist provides its clients a 360 degrees approach guiding them towards the right technology, digital marketing &...
Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$75/hr
Minimal Budget
$1,000 - $10,000
EGGsist Services
Digital Strategy
Digital Services
eCommerce Development
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Blending top-notch branding, development, and advertising components, NexusBond offers holistic solutions tailored for discerning clientele. Explore the possibilities of what we can achieve together...
Location
London, United Kingdom
Number of Employees
Under 49
Portfolios Count
1 Project Listed
NexusBond Services
Software Development
Mobile App Development
Web Development
Web Design
WordPress Website Design
eCommerce Development
AI Development
CRM Consulting
ERP Consulting
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
William Hill
Ladbrokes Coral
Transense
Data sourced from the agency's DesignRush profile
NexusBond Reviews & Testimonials
Louise Hobbs
Review from Google
5.0★
Louise Hobbs's Review Sourced from Google
NexusBond built our new website as our current one was extremely outdated. Marco and the team are brilliant to work with. Before, during and after the website set up. The communication has been efficient and they are always very helpful and approachable.
Alma 1938
Review from Google
5.0★
Alma 1938's Review Sourced from Google
Working with Marco and Guy has been fantastic. They are incredibly helpful and thorough. Their communication is clear and efficient and they implement changes and updates with ease. It has been an absolute treat to work with NexusBond.
Alison Keane
Review from Google
4.0★
Alison Keane's Review Sourced from Google
I am currently working on a new website with Nexus and have found the team to be very supportive. Guy put my mind at rest from the outset, by investing time initially in scoping out the project, which gave me confidence in the budget. .
Our account mannager Marco was very responsive and patient throughout the process,, and is extremely knowledgeable.
Reviews verified by DesignRush and sourced from the agency's profile
View All Reviews