Top 100 JavaScript Development Companies in New York City
August 2022Looking for a top JavaScript developer in New York City?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in New York City. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.
List of the Best New York City JavaScript Developers
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1
- $50,000+
- 50 - 249 employees
- New York, NY
XWP is a web agency founded in Chelsea, Australia in 2005 with over 50 employees. They offer web development, web design, and UX/UI design solutions to mid-market and enterprise-level clients in the fields of IT and media.
Clients
- News Corp
- Automattic
- Rolling Stone
Industries
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XWP is helping a multinational technology company come up with a custom WordPress plug-in from scratch. The team handles both the development and design process using various technologies, such as React.
"We’re impressed with their ability to ask the right questions and create a working plan."
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2
- $25,000+
- 1,000 - 9,999 employees
- New York, NY
Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt 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, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.
Clients
- ClassPass
- ZEFR
- Gain Capital (forex.com)
- Merkle
Industries
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iTechArt Group augmented a fintech startup’s team. They provided backend developers, business analysts, UI designers, and QA testers to develop the client’s solution.
"They made the process of scaling up the team painless and quick."
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3
- $5,000+
- 50 - 249 employees
- New York, NY
Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.
Clients
- FieldBI
- AutoBI
- AgroTop
Industries
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Softblues provides frontend and UX/UI development for a consumer and fashion data viewing platform. They've worked with a number of technologies including Vue, TypeScript, and Python. They also do page design.
"Throughout hardship, they've been honest — willing to keep high standards to successfully complete project on time."
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4
- $10,000+
- 50 - 249 employees
- Brooklyn, NY
Five Jars, a web development firm, was established in 2017. Their small team is in Dover, Delaware and Kyiv, Ukraine. Their services include web development, custom software development, and web design.
Clients
- George Washington’s Mount Vernon
- YMCA of the North
- Council for Exceptional Children
- YMCA of Greater Brandywine
Industries
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Five Jars is a long-standing partner for a nonprofit organization's web development projects. Their most recent project was a Drupal directory of current staff and HRIS integration.
"The Five Jars team is thoughtful, resourceful, and open to feedback and input."
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5
- $50,000+
- 50 - 249 employees
- New York, NY
Rootstrap is a software development firm based in Los Angeles with offices in New York; Montevideo, Uruguay; and Buenos Aires, Argentina. Established in 2011, Rootstrap has over 70 employees with experience with both consumer digital products and business applications. Their services include mobile development for Android and iOS, web app development, UI/UX design, custom software, and AR/VR development.
Clients
- MasterClass
- Salesforce
- Universal Music Group
Industries
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Rootstrap provides custom software development services for an online real estate company. They work on iOS and Android development, doing the engineering for the client’s applications.
"Rootstrap is a good partner — we have an open dialog, and they feel like part of our team."
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6
- $10,000+
- 250 - 999 employees
- New York, NY
A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.
Clients
- Golflogix
- Volkswagen
- Microsoft
- Harvard University
Industries
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A social music platform hired Zco to develop a mobile app for iOS and Android. They've delivered wireframes, interface screens, and design documents before building the final app in in four-week sprints.
“I really appreciate how detail-oriented the Zco team is.”
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7
- $10,000+
- 1,000 - 9,999 employees
- New York, NY
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.
Clients
- Samsung
- Johnson & Johnson
- GlobePayroll
- Siemens
Industries
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Andersen Inc. is providing software development services for a sound engineering company. They are deploying six software engineers for the project.
"Working with them is easy and communication flies amazingly."
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8
- $25,000+
- 50 - 249 employees
- New York, NY
Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.
Clients
- iHeartMedia
- BJ's Restaurant Brewhouse
- Yamaha
- VITAS Healthcare
Industries
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Saritasa donates their web development and maintenance services to a nonprofit organization. They’ve been responsible for building, updating, and maintaining the client’s website for over 15 years.
“Saritasa’s accuracy, efficiency, and follow-up are impressive.”
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9
- $10,000+
- 50 - 249 employees
- New York, NY
Liki Mobile Solutions is an international software house based in Łódź, Poland, and founded in 2013. Their team of 42 employees specializes in web development, custom software development, and UX/UI design for clients in the telecommunications, IT, and advertising industries.
Clients
- Orange Polska
- Knowde
- Epicurean Butter
- EC1 Łódź
Industries
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Liki designed and developed a WordPress site for an industrial machinery manufacturer's anniversary. Their team designed the interface and their frontend developers added video and social media integrations.
"The artistic imagination of Liki designers and their technical skills are world-class."
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10
- $100,000+
- 50 - 249 employees
- New York, NY
ArcTouch was founded in 2008 and has offices in San Francisco, Calif., New York, and Florianópolis, Brazil. They excel at app development, blockchain, and UX/UI design. They guide their enterprise clients through the app building process by defining a strategy for the best user experience, planning the visual design, developing and testing the prototype, and ensuring optimization and growth.
Industries
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ArcTouch built and designed a healthcare company's frontend app. Their goal was to enhance the digital experiences the client offers to their customers. They now continue to improve the app's functions.
"Working with them has been one of the best experiences I've had with an external partner."
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11
- $25,000+
- 50 - 249 employees
- New York, NY
Perpetual is a software product innovation and development company based in New York City. Founded in 2012, Perpetual's team of around 25 employees provides a wide range of services including UX/UI design, web design, mobile and custom software development, IT staff augmentation, product design, and more.
Clients
- Reuters
- Fox Sports
- HIMSS
- Colgate
Industries
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In line with their expansion efforts, a luxury hotel brand has hired Perpetual for their web development and design services. The team works on the overall structure and design of the client's website.
"They are extremely efficient and collaborative."
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12
- $1,000+
- 50 - 249 employees
- New York, NY
SJ Innovation is an IT solutions provider based in New York, with offices in Ukraine, India, and Bangladesh. The company, founded in 2004, has more than 140 employees and provides web development, mobile app development, and application testing services to small and midmarket companies in various industries.
Clients
- Johnson & Johnson USA
- Janssen Pharmaceuticals
- TeachersPayTeachers
- Council on Foreign Relations
Industries
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SJ Innovation LLC provides design and development services for a lifecycle marketing consulting agency. The goal is to create marketing communication for third-party clients.
"The turnaround times of deliverables have been the most impressive area they excel in."
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13
- $75,000+
- 50 - 249 employees
- New York, NY
Blue Label Labs is a 64-person digital product development agency based in New York City with offices in Seattle and San Francisco. They build the right product by bringing together the expertise of the client, product knowledge, and iterative customer feedback. Since their founding in 2009, they have built and transformed over 300 businesses through strategy, design, and development. Their client ranges from startup entrepreneurs to Fortune 500s.
Clients
- Bloomberg News
- Microsoft
- Google/Alphabet
- Fender
Industries
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Blue Label Labs has developed a simulation game for a nonprofit organization. They create a virtual world where the users can build their soy empire and earn soy coins for rewards and challenges completed.
"They have been attentive to our needs and concerns."
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14
- $10,000+
- 10 - 49 employees
- New York, NY
Top Notch Dezigns is a web design and digital marketing agency from New York. It was founded in 2004 and now has a team of 26 that does web design and development, mobile apps, SEO, SEM, and more for clients across a variety of industries, from business services to consumer products.
Clients
- Meadowbrook Financial Mortgage Bankers
- Brick Education
- Long Island University
- Wolo Manufacturing Corporation
Industries
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Top Notch Dezigns has developed a modular building provider’s WordPress website, showcasing the client’s products and services. They’re currently providing digital marketing support.
"They take our problem seriously and see the project’s whole scope."
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15
- $25,000+
- 10 - 49 employees
- Brooklyn, NY
Buzzworthy Studio is a digital studio based in New York. Founded in 2012, the team of 11 specializes in web design, web development and UX/UI design. They work primarily with small business clients.
Clients
- Wework
- Bareburger
- Barstool Sports
- Betches
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Buzzworthy Studio developed an e-commerce website for an essential oil wellness brand. Additionally, the team provided digital marketing and SEO services.
"I was very impressed by and appreciative of how the team made anything we asked possible."
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16
- $50,000+
- 10 - 49 employees
- New York, NY
With offices in NY and Pittsburgh, PA, Huemor is a design and development agency. With less than 50 employees, Huemor focuses on digital strategy, web development, UX/UI design, and conversion optimization.
Clients
- American Crew
- Geico
- Henry Schein
- The Humane Leauge
Industries
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HUEMOR developed a corporate site and an e-commerce site for a hardware components distributor. They were also responsible for handling the client's SEO efforts.
"They had the skill sets, knowledge, and refined processes that we needed for the project."
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17
- $25,000+
- 50 - 249 employees
- New York, NY
Major Tom is a full-service digital agency based in New York, with offices in Toronto and Vancouver. Founded in 2000, their team of about 70 employees serves a variety of industries. They specialize in providing web design, digital strategy, and social media marketing capabilities.
Clients
- L'Oreal
- Denny's
- Sleeman Breweries
- Orkin
Industries
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Major Tom was hired by an arts services facility to provide strategic guidance. The team also handled the client's Google Ads campaigns and Google My Business. They were in charge of the SEO efforts as well.
"Always a privilege to work with a company that exudes logic and magic!"
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18
- $25,000+
- 2 - 9 employees
- Brooklyn, NY
Transfuture is a digital studio based in Brooklyn, N.Y. Founded in 2005, the small team of 5 specializes in web design & development, UX/UI design, and logo design. They focus on business services, financial services, and healthcare and medical.
Clients
- Inc.com
- AARP
- United HealthCare
- Fluent Inc
Industries
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Transfuture had been hired by an art and antiques transporter company to improve their website's UX and branding. The main challenge was to complete their project by early January.
"Transfuture was the ideal partner to work with on this project. They were fast, dependable, and inventive."
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19
- $75,000+
- 50 - 249 employees
- New York, NY
With a team of 50+, Fueled specializes in creating mobile apps and websites. The New York-based app development company aims to create easy-to-use and attractive products for customers, whether they are big or small brands.
Clients
- MGM Resorts International
- 9Gag
- Harvard
- Rite Aid
Industries
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Fueled was hired by a health and wellness brand to develop an iOS app focused on meal management and purchases. The app had to improve the customer satisfaction and retention rates on weekly subscriptions
"They are super communicative and easy to work with."
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20
- $25,000+
- 50 - 249 employees
- Brooklyn, NY
CemtrexLabs is a creative technology agency in Brooklyn, NY. Founded in 2009, they have about 100 employees that help brands grow with custom digital solutions, ranging from AR and VR applications to design and development services.
Clients
- HBO Max
- Modelo
- Dropbox
- Wacoal
Industries
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CemtrexLabs was tasked with optimizing a website's page speed, making it mobile responsive, and performing on-site, technical SEO. The project ended after they refused transparency requests into the budget.
"We don’t want another company like ours to fall into the same trap."
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21
- $25,000+
- 50 - 249 employees
- Livingston, NJ
AndPlus is a software product development company located in Southborough, Mass. Founded in 2009, they have 50 employees and serve companies of all sizes – from Fortune 100 companies like Bloomberg and Honeywell, to funded startups looking to launch their MVP. AndPlus focuses on creating mobile and web solutions for IoT, Big Data, User Experience, Artificial Intelligence, Machine Learning, and more.
Clients
- Bloomberg
- ESPN
- MIT
- Cambridge Mobile Telematics
Industries
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AndPlus has developed a web app for a research university based on the client’s previously-used mobile app. The team’s work currently focuses on adding features to the app to enhance its functionality.
“We’ve been truly happy working with the AndPlus team.”
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22
- $5,000+
- 10 - 49 employees
- New York, NY
ATTCK, LLC. is a New York based digital design agency. They were founded in 2014 and have a team of 11 employees who specialize in web design, UX/UI design, and web development. They primarily work with small business clients in the real estate, non-profit, and retail industries.
Industries
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ATTCK built the backend of a WordPress website, collaborating with a frontend developer. They incorporated custom features, the Apache Traffic Server plugin, and other iterations as needed.
“The website ATTCK built is extraordinarily better than the site we had before.”
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23
- Undisclosed
- 50 - 249 employees
- New York, NY
Alley Interactive is a web development firm based in New York City with an additional office in Burlington, Vt. Founded in 2010, the team of 73 specializes in web development, web design and UX/UI design. They work primarily with midmarket clients in the media industry.
Clients
- The Henry J. Kaiser Family Foundation
- New York Post
- The Brookings Institution
- Reporters Committee for Freedom of the Press
Industries
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Alley Interactive consolidated content from several websites and databases onto a single WordPress site and CMS. The project included back-end development, data migration, and ongoing support.
"Their developers are competent communicators with a solid basis of business knowledge."
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24
- $5,000+
- 50 - 249 employees
- New York, NY
Although they specialize in e-commerce and web development, End Point also creates custom software and is an expert on enterprise security. Founded in 1995 in New York City, the team of 50+ employees serves mid-market and small businesses across a variety of industries.
Clients
- Backcountry
- Modells
- Paper Source
Industries
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End Point manages the IT infrastructure of an emergency medicine practice. They help the firm with their day-to-day IT needs and ensure that they’re compliant with critical laws, such as HIPAA standards.
“They do things on time or early, making sure that the end user experience is good and everything’s up and running.”
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25
- $10,000+
- 50 - 249 employees
- New York, NY
Unified Infotech is technology company headquartered in New York with another office in Kolkata, India. Founded in 2010, their team of 150+ works with enterprises, small to medium businesses, and startups as end-to-end solution partners for custom-tailored software, web, and mobile apps.
Clients
- Citi Bank
- United Nations
- Sony
- Bluesky Communications
Industries
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Unified Infotech was hired to develop an appointment booking website on an existing MVP. They used React Native and Node.js for the project.
"They should not promise customers and not deliver."
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26
- $25,000+
- 10 - 49 employees
- New York, NY
ZirconTech is a Montevideo, Uruguay-based custom software development firm. The small team specializes in custom software development, cloud consulting & SI, IoT development, mobile app development, and more. The agency was established in 2016.
Industries
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ZirconTech developed an end-to-end blockchain solution for a consulting firm. They used Hyperledger Fabric and developed several tools like MySQL and HTML for information tracking and sharing.
"The nice thing about working with their team is their autonomy, speed, and constant improvement on deliverables."
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27
- $10,000+
- 2 - 9 employees
- New York, NY
Located in Brooklyn, NY, GreyBox Creative is a full-service, boutique branding agency that provides high-end strategy, design, and web development. The GreyBox design team has worked together for two decades and helped hundreds of companies create or revitalize their brand.
Clients
- Apollo Capital Management
- Novo Nordisk
- US Army/Navy
- Geoffrey Beene
Industries
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GreyBox Creative designed and developed a client's website and brand, including a logo. They're now providing social media marketing services, such as PPC and social media marketing.
"If you go to them with seed, then they’ll make it into a flower, bringing to life what’s in your head."
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28
- $25,000+
- 2 - 9 employees
- New York, NY
As a best in class provider of digital marketing for companies in the B2B industrial technology sector, Lform understands the importance of precision and consistency. Whether you are involved in engineering, manufacturing, distribution or sales, you know that innovation is only the first step. You must have the infrastructure to move a product from development to introduction and growth, the expertise to produce consistent results, and the drive to persevere no matter what obstacles you face. Lform combines creativity and technological prowess to deliver results-driven digital design and marketing solutions. From discovery to development, we maintain a laser focus on your goals. Our websites tell the story of your company and connect the organization to its ideal audience. We make it easy for customers and potential clients to learn about what you do and the products and services offered.
Clients
- AAA Innovations
- CAST Lighting
- Bergen Cable
- Dauphin
Industries
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Lform Design developed an online catalog website for a powdered metals manufacturer. The site automatically displayed accurate information about the client's products from their transactional software.
“I also appreciated how they always seemed open-minded.”
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29
- $25,000+
- 50 - 249 employees
- New York, NY
Jahnel Group, Inc. is an application development company based in Schenectady, N.Y., with offices in New York and Plano, Texas. The company, founded in 2012, has around 90 employees and provides custom software development, web development, mobile app development, and UX/UI design services. Jahnel Group, Inc. serves midmarket and other-sized companies and institutions in the business services, financial services, gaming, education, manufacturing, medical, and e-commerce industries.
Clients
- Atos
- Bethesda
- Cambridge Associates
- Discovery Channel
Industries
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A contamination control products company engaged with Jahnel Group, Inc. for website development. They built a web-based application that utilized cloud technologies and Microsoft solutions for asset tracking.
"Jahnel Group, Inc. was easy to work with and had excellent technical skills."
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30
- $25,000+
- 10 - 49 employees
- New York, NY
Wolf&Whale is a UX/UI consultancy founded in 2013 and located in New York. The team of fewer than 50 employees offers UX/UI design, branding, and web development services. Their clients primarily include midmarket businesses in the business services, arts, entertainment, and music, and consumer products and services industries.
Clients
- GoDaddy
- Apple
- WeWork
- Chime
Industries
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Wolf&Whale provides UI/UX design services for a volunteer organization’s website. Their work involves creating high-level wireframes and mock-ups. They also offer suggestions around the site’s personalization.
“Wolf&Whale takes a fresh look at things and doesn’t allow themselves to be hemmed too much by pre-existing ideas.”
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