Limeup Product Design Company

Minimum project size: £8,000+

Limeup has been creating impactful design solutions since 2019. The main office is in the UK. Together with two branches in Berlin and Warsaw, we unite 30+ UX researchers, designers, developers, engineers, and tech experts. 93% of our staff is mid- and senior experts.

Our software development services cover:

  • Product design and development;
  • UX design for SaaS and research;
  • Design solutions for e-commerce;
  • Web and mobile app design.

Despite being a UK software design and development company, we work with startups and well-established businesses worldwide. We are proud to create complex digital products like online trading platform design and development for i88, a trading platform for a UK fintech company. The team of two UX/UI designers, a design director, a business analyst, a UX researcher, and a stakeholder built the product in 22 weeks.

We are passionate about real challenges and demanding projects that make us create cutting-edge solutions.

Industries: fintech, igaming, healthcare, education, real estate, blockchain, and education.

If you have a project in mind and want to turn it into reality, contact us. We are ready to discuss your needs and define the next steps.

One Beyond

One Beyond software agency in the UK

Minimum project size: £41,000+

Headquartered in London, One Beyond has 25+ years of experience and ample authority among software agencies in the UK. Besides, the company has three more branches in Spain, Hungary, and Romania.

300+ software developers work offshore and nearshore, typically with enterprise clients, established businesses, venture-funded startups, and governmental projects.

One Beyond develops custom software, web, and mobile applications and provides large-scale digital transformation.

The company offers various services, such as:

  • Web and app development and design;
  • CRM and ERP systems development;
  • Software and hardware integration.

One Beyond is a bespoke software development company in the UK with experience in different fields.

Industries: finance, retail, hospitality, non-profits, SMEs, healthcare, construction, education, leisure, and the public sector.


AppDrawn top software development company in the UK

Minimum project size: £8,000+

The oldest company in our list of top software development companies in the UK is AppDrawn. It was founded in 1999. Headquartered in London, the UK, it has one more branch in Barcelona, Spain.

The notable clients are BBC, Imagine, RenTeQ, and Swerve Tracker.

AppDrawn specializes in custom software development, web and mobile development for small and medium-sized businesses. Additionally, they offer:

  • Consultancy and analysis;
  • Legacy software modernization;
  • Business process automation.

Industries: education, finance, government, healthcare, logistics, manufacturing.

Imaginary Cloud

Imaginary Cloud UK software developers

Minimum project size: £20,000+

Imaginary Cloud has been supporting the idea of seamless technology and painless upscaling since 2010. They highlight the speed and ease of their processes. The clientele is various — from startups to enterprises.

The company offers product ideation services, web and mobile development, UX/UI design, and code audit.

Over 100 UK software developers on board have delivered 300+ projects over two years.

Industries: agriculture, education, finance, government, and logistics.

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CSHARK software development firm

Minimum project size: £20,000+

CSHARK has been creating software products for eight years. The software development firm has five offices and 300+ specialists on board.

The main clients are enterprises looking for digital transformation and startups. CSHARK actively consults companies from fintech and regtech sectors.

CSHARK provides the following services:

  • Web, desktop, and mobile software development;
  • Product design;
  • MVP development.

Industries: education, finance, government, healthcare.

Instil Software

Instil Software software company in the United Kingdom

Minimum project size: £41,000+

Instil Software, straight from Belfast, Northern Ireland, has been operating since 2005.

Instil Software has 30+ employees that provide various software development services: custom software and mobile app development, cloud consulting, software integration, and IoT. It also offers developer training for engineering teams worldwide.

Among the clients are Deloitte, Atlassian, BMW, and American Express, to name a few.

Industries: automotive, education, finance, manufacturing, retail, telecommunications.


Apadmi custom software development company in the UK

Minimum project size: £81,000+

Apadmi is a mobile tech group with 150+ software developers. The offices are located in Manchester, London, Edinburgh, and Utrecht.

Apadmi specializes in app development, IoT, big data, BI, and SI consulting. In addition, the company offers engineering services for transformational products, support, optimization, and deep analytics.

They have worked with companies like BBC, Argos, Lexus, and Dominos.

Industries: retail, finance, sport, and healthcare.

Magora Systems

Magora Systems software development company in the UK

Minimum project size: £8,000+

Established in 2010, Magora has 50+ team members offering web and mobile app development and design services. Magora is among the best software development companies in the UK, thanks to its variety of services.

The company works both with B2B and B2C. The clientele is various: Danone, Unilever, Toyota, and Royal College of Art, to name a few.

The company offers the following services:

  • Automated reposting;
  • Search engine marketing;
  • Pay-per-click advertising;
  • App store optimization;
  • Microsite development.

Industries: logistics, enterprise development, MVPs for startups, medical, property management, social platforms and messengers, catering, tourism, marketing, e-commerce and POS apps, entertainment.

Old.St Labs

Old.St Labs software development agency

Minimum project size: £4,000+

Old.St Labs is one of the youngest on our list, founded in 2020. It is a software development company based in London with 10+ team members. Old.St creates custom software solutions and develops mobile apps, UX/UI design, and AI services.

Old.St Labs targets startups and mid-market businesses.

Industries: advertising and marketing, education, financial services, health care, medical, and legal sectors.

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Ballard Chalmers

Ballard Chalmers software agency

Minimum project size: £8,000+

Based south of London, Ballard Chalmers was founded in 2005. The company is part of the Transparity Group. It is one of the leading Microsoft consultancy practices specializing in custom software.

Ballard Chalmers provides custom software development, application modernization, business intelligence, and data management.

The company focuses mainly on Microsoft Azure cloud-native custom development, Azure integration services, and modern data warehouse development.

Industries: associations, institutes, charitable and non-profit organizations, education, energy, utilities, finance, healthcare, housing and construction, manufacturing, engineering, publishing, government, telecom, and transport.


AVAMAE software agency in London

Minimum project size: £20,000+

AVAMAE is a software agency in London with 50+ professionals on board. The company was founded in 2011.

AVAMAE offers custom software, web, and mobile app development services. Additionally, they provide UX UI prototyping, MVP development, and team augmentation services.

The company worked with British Airways, British Gas, and Imperial College London, to name a few.

The usual clientele is small and medium-sized businesses.

Industries: finance and healthcare.

Blue Tea Software

Blue Tea Software development agency

Minimum project size: £8,000+

Blue Tea Software is a small team of well-trained and experienced developers from Chobham, United Kingdom.

Since 2014, the company has been providing web and mobile development services and enterprise app modernization.

Among other services are:

  • API development;
  • Hardware integration;
  • Security penetration testing.

Industries: retail, healthcare, and finance.

GoodCore Software

GoodCore Software firm

Minimum project size: £20,000+

GoodCore Software is headquartered in Croydon, UK, and has more than 50 employees. The company was founded in 2005 and since then has been providing a wide range of services:

  • Web app development;
  • Web portal development;
  • Desktop app development;
  • SaaS app development;
  • White-label software development.

GoodCore Software is headquartered in Croydon, UK, and has more than 50 employees. The company was founded in 2005 and since then has been providing a wide range of services:

Industries: healthcare, sport, utilities, fintech, and education.

    1. Define the goals

    First, define the project goals and requirements.

    In general, you should understand the following points beforehand:

    • What service are you looking for — website development, a mobile application, or a desktop app redesign?
    • What type of cooperation do you need — the goal is to upscale the in-house team with specific developers or hire a team to make a project from scratch.
    • What features should the product have, and what tech stack is needed?
    • Who are the competitors, and which features do their products have?
    • What are the realistic budget and deadline for the project?

    The more details you know, the better.

    You can search for the most suitable UK software company once all the requirements are set.

    2. Create a list of potential partners

    Consider companies from our top UK companies list, or handpick a few based on your judgment.

    Browse review platforms, such as Clutch, Manifest, and Goodfirms. You can find real client testimonials, companies rating, and expertise and read details about the collaboration process.

    Services like Clutch show honest feedback from real people, so there is less risk of running into a perfect-looking but incompetent company.

    At this point, you should create a list of 5–7 companies that fit your project requirements.

    3. Check the portfolio

    It is essential to choose the most suitable company with relevant experience that worked on similar products.

    Check portfolios on companies’ websites. They are usually called “Our projects,” “Our works,” or “Case studies.” Alternatively, you can review their Behance or Dribble pages.

    We recommend paying attention to the following:

    • If the company has experience in your industry;
    • If the company worked on similar projects in the past;
    • If they display actual client names;
    • If the quality of designs is appropriate;
    • If the featured projects are new;
    • If the portfolio mentions the team size and project duration.

    4. Pay attention to location and language

    How essential is English proficiency for you? This point may remove cost-effective companies from distant countries from the list. The United Kingdom, on the contrary, comes forward as a country where you can outsource and feel no limitations in understanding and cooperation.

    We recommend choosing a company with a similar mentality, approach to business, and values.

    5. Choose the right tech stack

    If you clearly understand what kind of technology your project needs, you can focus on companies specializing in them.

    At Limeup, we work with the most popular and versatile stack, such as Java, Python, Node.js, Go, and C++, on the backend; React.js, Vue.js, JavaScript, and WordPress on the front end. Furthermore, we use React Native, Flutter, Kotlin, Swift, and Objective C for mobile development.

    If you need help with software development, get in touch with us. We are ready to help you achieve your business goals.

    6. Go for security

    The vendor should clarify what documents and measures it implements for secure cooperation.

    The short-list usually includes:

    • A non-disclosure agreement (NDA) — protects all information about your project. It prohibits anyone from the vendor’s team from disclosing it.
    • A non-compete agreement (NCA) — helps keep your ideas and innovations from falling into the hands of competitors.
    • API access — keeps sensitive code safe and provides access to secure software.
    • Data access — allows you to control what information any developer receives.
    • SSL certificates — provide an ability to authenticate developers with secure certificates.

    Security is a must, so the company should clearly and transparently communicate its measures to protect its client’s intellectual property.

    7. Check workflows and business practices

    Make sure your preferred company understands your business needs and goals. During the introductory meeting, ask questions and share details about your project to better understand if they can help you achieve your business goals.

    Aim to find software development agencies with an established software development process to ensure a simple and transparent collaboration process.

    8. Check competitors

    We recommend analyzing your competitors and market leaders.

    You might want to know who developed their products, how much they paid, and what technologies they used. This step allows you to ensure your new product will keep up with trendsetters in your industry.

    9. Get recommendations

    You may ask your colleagues whether they’ve worked with software design companies and if they can recommend any of them.

    Sometimes feedback from a colleague is a hundred times better than the most detailed review on Clutch.

    Analyzing your preferred companies based on these criteria will help you choose the few most suitable companies for collaboration.

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    We can create a custom solution to help you achieve your business goals.
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    Business questions

    • How does your collaboration process look?
    • How will we communicate during the project?
    • How will the progress updates be communicated?
    • What do you do when the project does not go according to plan?
    • What is our scope of responsibilities and involvement in the process?
    • What is unique about your company?
    • How easy is it to upscale the team?
    • How much time does it take to form a team?
    • Do we select developers?
    • Have you worked on similar projects?
    • Do you have experience in my industry?

    Technical question

    • What methodologies do you use during the development process?
    • What software development services do you provide for projects like mine?
    • How is testing done? Is there peer code review or automated tests?
    • Who owns the source code?
    • Who works on technical documentation?

    Red flags to keep in mind

    While looking for a software development company, there are several vital points to consider that may be suspicious or hint that the company is unreliable.

    • The cheapest options are rarely good. Buy cheap, buy twice, so it is essential to understand that a lousy vendor will not make the product you need. You can lose more money if you hire another company to fix the mistakes of the previous one.
    • Companies without websites, technologies, industries, and portfolios may be frauds.
    • Poor or absent customer reviews are signs that the company is not trustworthy.