Top C Development Companies & Best C Developers in UK

Creating efficient and scalable software requires experienced C developers. Trusted C development companies in UK offer solutions to build secure and high-speed applications. Partner with the best C developers to improve your software performance. Find reliable C development firms in UK for professional support.
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5.0 out of 5, based on 6 real reviews.
Rankings updated: May 16, 2026

List of Top C Development Companies in UK | Best C Developers

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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Inceptives Digital
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Claimed by Official Representatives

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 40% Mobile App Development

  • 20% Blockchain Development

  • 10% AI Development

  • 10% Business Services

We are Mobile App Development Company

Inceptives Digital is your trusted partner for mobile app development in the US. With more than 8 years of experience and a talented workforce of 150+ developers, we’ve created 70+ high-performing apps across 20+ industries. Our mission is to help businesses transform ideas into powerful digital solutions that connect with users and deliver lasting value. Through AI-driven innovation, intuitive design, and a results-focused approach, we empower startups and enterprises alike to achieve their goals and thrive in today’s competitive digital landscape.

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Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$500 - $50,000

Min. Budget Size
Inside Service Listing

50 - 99

Team size
Inside Service Listing

London, UK

Location
PROBEY SERVICES
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agency_climbed
Claimed by Official Representatives

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 30% Mobile App Development

  • 20% Web Design

  • 10% Ecommerce Development

  • 10% Web Development

  • 10% Digital Marketing

Web Design & Mobile App Development

World’s #1 Rated & Reviewed App & Web Development Partner, Probey Services is a renowned IT and digital solutions provider, powering innovation for startups, SMEs, and growing organizations worldwide. Headquartered in London, UK, with a strong presence in India and 11 global branches, we combine global reach with deep technical expertise. Our 320+ specialists have successfully delivered 1900+ projects over the last 10+ years, helping businesses scale with mobile app development, website design & development, enterprise software solutions, AI-powered digital marketing, branding, and social media management. We proudly serve 30+ industries, including retail, e-commerce, healthcare, fintech, education, travel, logistics, luxury, and more. Probey Services is rated as the #1 Tech Partner globally on Clutch, GoodFirms, and Trustpilot. We stand out for our system-driven execution, advanced tech stack, and client-first approach. Our Services We deliver end-to-end digital solutions that don’t just work, they win. Mobile Apps – iOS & Android (React Native, Flutter, Kotlin, Swift, Java). Websites – Fast, stunning, conversion-driven (Shopify, WordPress, Magento, Joomla, Wix, Umbraco). Custom Software – ERP, CRM, SaaS, and cloud platforms (React, Node.js, Angular, .NET, Python, PHP, Ruby, Java). Digital Marketing – AI-powered SEO, PPC, and performance campaigns (SEMrush, Ahrefs, Moz, Google Ads, Analytics). Branding – Logos, identity kits, merchandise, collaterals (Figma, Adobe Suite, CorelDRAW). Social Media – Strategy, UGC/CGC, influencer collabs (Instagram, LinkedIn, TikTok, YouTube, Pinterest). Awards & Recognition Proudly recognized worldwide: Top Mobile App Development Company – Clutch (2025) Best Web & Design Agency – DesignRush (2024) Global Leader – GoodFirms (2024) Top 10 IT Companies – G2 (2024) Excellence in Digital Innovation – AppFutura (2024) Clutch Global & Champion Badge (2023 & 2024) ISO-Certified Processes & 800+ Verified 5-Star Reviews Our Approach We keep it simple and human: Listen first – Your goals become ours. Build smart – AI, cloud, and modern tech stacks. Design for people – Experiences that users love. Stay transparent – Clear costs, clear timelines, no surprises. Deliver growth – More customers, more revenue, more brand love. Let’s Grow Together! Contact us today to discover how Probey can transform your digital presence.

View PROBEY SERVICES Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$10+

Min. Budget Size
Inside Service Listing

250 - 320

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

Website Design and Development

Reviewed by: NISHI TEJIYAN, Operations Manager View all 4 ReviewsView all Reviews
10Pearls
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agency_climbed
Claimed by Official Representatives

29

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

29

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 30% Software Development

  • 30% AI Development

  • 20% Mobile App Development

  • 20% Cloud Computing Services

AI is embedded in everything we do!

A Global AI-Powered Technology Partner helping Businesses Grow and Scale through End-to-End Digital Transformation. We partner with leading enterprises to drive revenue growth and solve complex, industry-specific challenges. Our software services encompass the full cycle of software development, from ideation to delivery to security and maintenance - our globally distributed team of expert talent is equipped to deliver future-ready solutions & proven results. ? Strategy Innovation: Creating transformational digital products (mobile & web) that combine customer experience, market opportunity, and emerging technology. Augmentation: Empowering your team with the technical talent and skills needed to accelerate development and build high-quality digital products - software development, QA/testing, data analytics, UX/UI, and product management. Modernization: Re-architecting legacy technology for better speed, scale, security, and user experience. Digitalization: Building intelligent digital solutions that automate manual and inefficient processes. ? Expertise Artificial Intelligence New Product Innovation Agile Development & QA Testing Enterprise Platform Implementation Strategy & Business Consulting Data & Security ? Artificial Intelligence Generative AI (Gen AI) Custom Models Data Science Machine Learning (ML) Computer Vision MLOps Large Language Learning (LLM) Natural Language Processing (NLP) ? Solutions Software Development (Web, Mobile, Data, Cloud) AI/ML Transformation User Experience (UX/UI) Data Analytics & Migration Quality Assurance Security & Compliance DevOps & SecOps QA Testing & Automation Business Process Automation Platform Integration (Salesforce, AWS, GCP, Azure, ServiceNow, Databricks, Appian, Microsoft and more) AI Platform Integration (Meta, Open AI, Google AI, Mistral AI, Dall.E, ultralytics, stability.ai, Langchain, LlamaIndex, Pinecone, Hugging Face and more)

View 10Pearls Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

1,000 - 2,000

Team size
Inside Service Listing

London, UK

Location
So-Creative
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agency_climbed
Claimed by Official Representatives

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 40% Web Design

  • 30% Web Development

  • 10% Digital Marketing

  • 10% IT Services

Creating Beautiful Designs & Wesbites

So-Creative is an award winning web design and development agency based in London. With a reputation for redefining digital experiences, they craft bespoke websites and cutting-edge software solutions that captivate audiences and deliver results. Their talented team combines creativity, collaboration, and advanced technology to help businesses develop memorable brands, generate leads, and achieve lasting success online. By offering streamlined, cost-effective processes, So-Creative is the trusted partner for businesses seeking to transform their digital presence and unlock growth through innovative design and technology.

View So-Creative Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$50+

Min. Budget Size
Inside Service Listing

11 - 50

Team size
Inside Service Listing

London, UK

Location
Aware Digital
Review Star Image Review Star Image Review Star Image Review Star Image Review Star Image
agency_climbed
Claimed by Official Representatives

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Software Development

  • 10% Ecommerce Development

  • 10% Web Development

  • 10% Web Design

  • 10% Digital Marketing

  • 10% IT Services

  • 10% Internet of Things

  • 10% Digital Transformation

  • 10% Business Services

  • 10% CMS

A UK-based full service Magento eCommerce agency

Aware Digital is a UK-based full-service digital agency dedicated to helping businesses thrive online. Specialising in Magento 2 eCommerce solutions, they combine expert development, creative design, and seamless integrations to create high-performing, user-friendly online stores. From bespoke website builds to performance optimisation, their team ensures every project delivers both functionality and a great customer experience. Beyond development, Aware Digital offers data-driven marketing strategies tailored to drive growth. Their services include SEO, PPC, conversion rate optimisation, email marketing, and social media campaigns, all designed to increase visibility and sales. With a focus on measurable results and continuous improvement, Aware Digital partners with businesses to create scalable, future-ready digital solutions.

View Aware Digital Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$1,000 - $10,000,000

Min. Budget Size
Inside Service Listing

10 - 20

Team size
Inside Service Listing

Altrincham, UK

Location

24

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

24

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 20% Web Design

  • 20% CMS

We create web and mobile apps that stand out.

Based in Maribor, Slovenia, and London, UK, Equaleyes Solutions is a multi-award-winning software development firm. In addition to developing, managing, and maintaining web platforms with millions of monthly users, we also create mobile digital products. Equaleyes has a clear understanding of the situation: You want a development partner who will take the time and money to truly consider your project and assist you reach your product goals. Equaleyes will provide your vision with the passion, commitment, and attention it need to reach its full potential if it is one of boldness, loyalty, and greatness.

View Equaleyes Solutions Ltd. Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

Used them for multiple projects - always deliver

Reviewed by: Zoe Peden, Founder at Iris Speaks View all 2 ReviewsView all Reviews

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 50% Software Development

  • 25% Web Development

  • 25% Cloud Computing Services

Gain deeper insights. Make better decisions.

We offer intelligent software solutions that help businesses achieve their goals, improve efficiency, and save costs. Our next-generation solutions are data-driven and resilient, enabling scaling-up and down. We provide innovative custom software, from large-scale financial enterprise applications to integrated systems. We believe in finding the right balance between building software from scratch or customizing existing solutions, reducing waste. Passionate about technology, we offer services from inception to production, focusing on design, architecture, implementation, testing, and production.

View Equinox Information Services Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

London, UK

Location

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 25% Software Development

  • 50% Mobile App Development

  • 25% Web Development

You imagine, we embody

We are a firm that develops unique mobile and online applications. You've arrived at the ideal location if you require top-notch software.

View CyBearSoft Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

London, UK

Location

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Web Design

  • 20% CMS

  • 10% Ecommerce Development

  • 10% Mobile App Development

  • 10% Web Development

  • 10% Digital Marketing

The Holistic Plus+ Digital Agency

Founded in Salisbury, Wiltshire, in 2005, Blue Frontier just established a second location in Southampton. We work together with councils and the NHS and provide a wide range of technical, web, software, and digital marketing services to companies in the public and private sectors. While our development team builds websites, eCommerce, web portals, and mobile apps, our website designers make user-friendly, responsive, and captivating websites. In addition to a staff of IT professionals who manage hosting and maintenance for our clients, we have a skilled team of digital marketers who specialize in SEO, PPC, social media, and copywriting.

View Blue Frontier Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Salisbury, UK

Location

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