Top 90 Smart Contract Companies in London

The Best of April 2024

Looking for a top smart contract developer in London?

Smart contract development ranges in cost from $5,000 to $100,000 depending on the complexity of programming and deploying the contract. To get started, smart contract developers should define the contract requirements, create the code, test the contract, and deploy it. These steps may sound simple, but smart contracts must consider all rules to ensure a digital transaction works as planned.

Jump to Most Reviewed Companies

List of the Best London Smart Contract Developers

1

Pixelette Technologies
(21 Reviews) 4.8
- Timeliness
  4.9
- Service Excellence
  4.8
- Value
  4.8
- Would Recommend
  5.0
- $5,000+
- 250 - 999 employees
- London, United Kingdom
Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.

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2

Andersen Inc.
(119 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.9
- Value
  4.6
- Would Recommend
  4.9
- $50,000+
- 1,000 - 9,999 employees
- London, United Kingdom
Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

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Clients
- Samsung
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3

Vention
(72 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.9
- Value
  4.7
- Would Recommend
  5.0
- $25,000+
- 1,000 - 9,999 employees
- London, United Kingdom
Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

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Clients
- IBM
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4

ERRNA
(2 Reviews) 4.8
- Timeliness
  5.0
- Service Excellence
  4.8
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 1,000 - 9,999 employees
- London, United Kingdom
ERRNA is a blockchain company founded in 2015. The small San Jose, California-based team provides blockchain, cybersecurity, marketing strategy, mobile app development, and more.

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5

Tech Alchemy
(28 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $25,000+
- 50 - 249 employees
- London, United Kingdom
Tech Alchemy is a software development studio based in London. Founded in 2016, they have around 150 employees who provide startups and small to medium-sized businesses with custom software development, blockchain development, and web & mobile app design and development. Services include prototyping, discovery, MVP development, and Web3 digital transformation

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Clients
- Ocean Bottle
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6

Systango
(31 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.7
- Would Recommend
  4.9
- $10,000+
- 250 - 999 employees
- London, United Kingdom
Established in 2007, Systango Technologies is a global digital product development agency. They are headquartered in London and have additional international offices. Most clients are small businesses, many of which are in the entertainment, utilities, and hospitality sectors.

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Clients
- MGM
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7

Bitorix
(4 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  3.6
- Would Recommend
  5.0
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Blockchain company Bitorix was founded in 2018. Their small team is headquartered in London, United Kingdom. Bitorix provides blockchain, custom software development, and web development.

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8

Dotsquares
(70 Reviews) 4.6
- Timeliness
  4.5
- Service Excellence
  4.6
- Value
  4.5
- Would Recommend
  4.6
- $5,000+
- 1,000 - 9,999 employees
- London, United Kingdom
Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.

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Clients
- Ericsson
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9

DHNN™
(23 Reviews) 4.7
- Timeliness
  4.7
- Service Excellence
  4.7
- Value
  4.5
- Would Recommend
  4.8
- $25,000+
- 50 - 249 employees
- London, United Kingdom
DHNN Creative Agency is a digital agency located in Buenos Aires with an additional location in Vicente Lopez, Argentina. The company was founded in 2007 and has a team of 31 specialists that provide UX/UI design, branding, web development, graphic design, and web design services.

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Clients
- IBM Global
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10

WeUno Technologies
(15 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.9
- Would Recommend
  4.9
- $5,000+
- 50 - 249 employees
- London, United Kingdom
WeUno is a digital agency founded in 2016 in Karachi, Pakistan. Their team of no more than 50 specializes in web development, mobile app development, and social media marketing services for clients in the fields of advertising, IT services, and e-commerce.

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Clients
- Strapp x University of Michigan
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11

Mifort
(17 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- London, United Kingdom
Mifort is a web development firm. Founded in 2015, the team focuses on web development and mobile app development. Their small company is Tallinn, Estonia-based.

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12

SoloWay Technologies
(36 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.9
- Value
  4.9
- Would Recommend
  5.0
- $5,000+
- 50 - 249 employees
- London, United Kingdom
bvblogic is a full-stack web and mobile development company headquartered in Ivano-Frankivsk, Ukraine, with additional offices in Warsaw, Poland; Kiev, Ukraine; and Toronto, Ontario. Founded in 2008, bvblogic's team of around 75 employees specializes in web development, mobile app development, and custom software development. bvblogic primarily works with midmarket and enterprise clients in the business services, consumer products, and advertising industries.

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Clients
- SOCAR Energy
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13

Heveloon ltd
(4 Reviews) 4.9
- Timeliness
  4.6
- Service Excellence
  4.9
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Heveloon ltd is a mobile app development company in London, United Kingdom. Founded in 2018, they have about 5 employees that serve mostly small-business and midmarket clients in the medical, business, and financial services sectors. Services include mobile app development, blockchain, and enterprise app modernization.

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Clients
- Cocconapp
Industries
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14

Pixelfield
(10 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 50 - 249 employees
- London, United Kingdom
Pixelfield is a digital agency based in London. Founded in 2012, their team of around 15 employees specializes in UX/UI design, product design, and custom software development.

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Clients
- Raiffeisen Bank
Industries
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15

AVAMAE Software Solutions Ltd
(12 Reviews) 4.7
- Timeliness
  4.4
- Service Excellence
  4.7
- Value
  4.8
- Would Recommend
  4.8
- $25,000+
- 10 - 49 employees
- London , United Kingdom
AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.

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Clients
- BetDSI
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16

Wise Vision
(10 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- London , United Kingdom
Web development firm Wise Vision was founded in 2018. The agency provides web development, e-commerce development, accounting, enterprise app modernization, and more and has a small team. The agency is in L'viv, Ukraine.

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Clients
- Beep Auto
Industries
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17

Cyber Bee
(3 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  4.8
- Would Recommend
  5.0
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Based in London, United Kingdom, CYBER BEE is a blockchain company. They provide blockchain, IT staff augmentation, and custom software development and were founded in 2015.

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Clients
- Polytrade
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18

Moonshot Partners
(4 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.8
- Would Recommend
  4.8
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Launched in 2020, Moonshot Partners is a IT strategy consulting company. The midsize team offers IT strategy consulting, custom software development, web development, mobile app development, and more. The agency is headquartered in London, United Kingdom.
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19

blockproof.
(2 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  4.5
- Would Recommend
  5.0
- $25,000+
- 2 - 9 employees
- London, United Kingdom
Based in Vancouver, Washington, ledgr. Is a business consulting company. The small firm was launched in 2022. Their services include business consulting.

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Clients
- Luxlock
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20

Aegasis Labs
(4 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  5.0
- Would Recommend
  4.8
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Aegasis Labs is an artificial intelligence company. The small team is in London, United Kingdom. Their services include Artificial Intelligence, custom software development, BI & big data consulting & SI, blockchain, and more.

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21

INVINCIX Solutions Private Limited
(2 Reviews) 4.8
- Timeliness
  4.3
- Service Excellence
  4.8
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 50 - 249 employees
- Twickenham, United Kingdom
IT strategy consulting company INVINCIX Solutions Private Limited was founded in 2017. Their midsize team is in Singapore, Singapore; Bhubaneswar, India; Ho Chi Minh City, Vietnam and Twickenham, United Kingdom and provides IT strategy consulting, ux/ui design, IT managed services, custom software development, and more.
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Clients
- Ximple
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22

KingIT Solutions

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- London, United Kingdom
KingIT Solutions is a Warszawa, Poland-based. The firm offers and is midsize.The firm was established in 2014.
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23

SDNA Tech

(0 Reviews)

Not yet reviewed.
- $5,000+
- 50 - 249 employees
- London, United Kingdom
SDNA Tech , a mobile application development firm, is headquartered in London, United Kingdom. The agency offers mobile app development, blockchain, AR/VR development, custom software development, and more and has a midsize team.The agency was launched in 2010.
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24

Wealax LTD
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Wealax LTD is an IT strategy consulting company. They are headquartered in London, United Kingdom and have a small team that provides IT strategy consulting, cloud consulting & SI, other IT consulting and SI, custom software development, and more. The firm was launched in 2021.

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25

JAS Quantum
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 50 - 249 employees
- London, United Kingdom
Based in St. Petersburg, Florida, JAS Quantum is a mobile & app marketing company. The midsize team specializes in mobile & app marketing, web design, ux/ui design, custom software development, and more and was launched in 2019.
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26

Apexdv

(0 Reviews)

Not yet reviewed.
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Apexdv, a blockchain company, was founded in 2017. Their small team is located in Shelton, Connecticut and London, United Kingdom and focuses on blockchain, web design, and web development.

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Clients
- Blockchain development
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27

Mitosis Technologies

(0 Reviews)

Not yet reviewed.
- $10,000+
- 250 - 999 employees
- Romford, United Kingdom
Established in 2013, Mitosis Technologies is an AI development company. Their midsize team is in Rajakilpakkam, India; Westminster, Colorado; Romford, United Kingdom and Itú , Brazil. Their team focuses on Artificial Intelligence, custom software development, BI & big data consulting & SI, and blockchain.

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28

Axonian

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- London, United Kingdom
Axonian, a blockchain company, was founded in 2016. They are located in London, United Kingdom and have a small team. Their services include blockchain and mobile app development.
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29

Zilliqa

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 50 - 249 employees
- London, United Kingdom
Established in 2018, Zilliqa is a blockchain company. Their midsize team is in London, United Kingdom and offers blockchain.
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30

AgriLedger

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- London, United Kingdom
Founded in 2016, AgriLedger is a blockchain company. They are headquartered in London, United Kingdom and have a small team. The agency focuses on blockchain.
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