Your idea. We make IT happen!
7L International is a digital transformation consulting and custom software development firm that has been enabling more than 100 organizations around the world to evolve and thrive in the constantly shifting market reality. We are able to accommodate various requests, from creating web and mobile applications to microservice-based infrastructures across data centers, globally.
7L International provides fully integrated, end-to-end business solutions that are specifically tailored to each customer. With offices in New York, London and Athens, 7L International leverages deep technology knowledge and unparalleled software engineering expertise to ensure digital transformation maturity across countless industries.
Based on a 360 approach, 7L works with clients to cover the full lifecycle of enterprise application design, integration and management, from ideation to delivery and ongoing support. Our highly-skilled experts can develop fast product rollouts, quick customizations and provide smooth delivery, resulting in reduced development costs with speedier market entry.
7L International can offer:
- Custom Software Development
- Internet-of-Things Applications
- Mobile Applications
- e-Commerce Software
- Custom Integrations
- Web Development
- Software Modernization
- IT Infrastructure
- Custom Security Solutions
- Startup Advisory
-Functional Prototype Development
-MVP Development
-Quality Assurance
-DevSecOps
-Business Specific Software

headquarters
other locations
Recommended Providers
Focus
Portfolio
TikTok, PowerPlay Studio, Company, Quake Media, NYSE, Traeger Pellet Grills

Quake Media
Quake Media is a leading source for exclusive, premium podcast content from America’s most prolific commentators.
The innovative subscription platform features exclusive individual shows from an all-star talent roster.
We created the application clients for web and mobile as well as all the workflows to get the media files ready for distribution through the streaming platform.

Spring Studios
Spring is an integrated creative agency, with end-to-end production, state-of-the-art studios, and is home to prestigious events. As a 360 agency, Spring creates communications for fashion, beauty, lifestyle and luxury brands. Additionally, their integrated approach elevates brands and offers relevance to consumers globally.
Spring creates digital voices that optimize brand awareness, engagement, and e-shop ROI. 7L’s ability to create immersive digital experiences was a perfect match for Spring.
Finally, Spring reached out to 7L International to create their new web experience. Their updated presence showcases their unique design experience and services, as well as their impressive clientele.

Company
Company houses a curated community of top-tier companies that span the innovation spectrum from venture-backed startups to large enterprises.
7L built for Company a mobile App that puts a world of resources and amenities in tenants’ hands. Everyday tasks are streamlined making it easy to interact in meaningful ways with peers around campus.
Additionally, 7L created a complete platform by architecting a robust multi-site microservices architecture which supports and complements the app. Moreover, the specific architecture provides the capability to easily scale and maintain a high availability. In addition, the platform embraces the highest security standards, while not scarifying the user experience.
Company’s platform provides three different views: The Tenant mobile application, the Tenant Management Dashboard and the Building Management Dashboard. All Company.co stakeholders can seamlessly interact from the comfort of their customized UIs.

Traeger Pellet Grills
The v2 version of Traeger App is the result of a fruitful cooperation among Traeger’s in-house team, CARNEVALE, 7L International and third-party vendors responsible for back-end and hardware.
This diverse team of A-players was able to deliver a refreshed and redesigned version of Traeger IOT enabled mobile experience. Additionally, this new experience is home to a community of fellow chefs, pit-masters and grilling enthusiasts.
7L was responsible for the architecture & development of iOS & Android versions of the Traeger App, the integration with the backend services and integration with IOT infrastructure.
Traeger App has received over 58,000 reviews with a 4.7/5 star rating! Additionally has featured in Top media like Business Insider, Forbes and The Wall Street Journal.

TikTok Microsite
We are thrilled with the release of TikTok's first-ever Culture Driver List, highlighting 14 collaborations between brand marketers and creators on its platform.
Our experts proudly developed the #microsite, in partnership with Spring Studios!

Winter Sports Mania
⛷️ What an amazing winter! Our gaming team proudly contributed to the development of Winter Sports Mania, in collaboration with PowerPlay Studio!

United Nations My World
Web & Mobile voting experience for My World 2015 initiative for the UN. Experience included impressive visualizations of results.

NYSE Stocks Liquidity Monitoring
We delivered for NYSE a Stocks Liquidity Monitoring dashboard for brokers and a monitoring system for FIX connections.

ERGO Custom Integration with SAP
We provided a partners portal that streamlined several internal operations with significant custom Integration with SAP.
Reviews
the project
Landing Page Custom Code for Investment Company
"We were impressed with their speed."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
Humanism Fund, Head of Product
For what projects/services did your company hire 7L International, and what were your goals?
Custom react components for a landing page built on Framer
How did you select this vendor and what were the deciding factors?
A great track record in helping people figure out custom Framer stuff and active participation in the Framer dev community
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
The team was (and still is) working on all of our front-end needs, helping us customize a variety of no-code solutions with custom code infusions. They are always fast and efficient, delivering the code with no bugs whatsoever, and I would say that with the majority of our tasks, we have the result delivered the next day.
How many people from the vendor's team worked with you, and what were their positions?
Several people
Can you share any measurable outcomes of the project or general feedback about the deliverables?
Before the beginning of our collaboration, we were not able to get meaningful data from our analytics tools, and the invite system we wanted to have in place was not possible via no-code solutions at all. Now we’re able to achieve any desired granularity of logging on-page events via Mixpanel, including custom rules of logging for different platforms and scenarios, and our invite system, built on Framer with some custom code components, works as if it was built from scratch.
Describe their project management style, including communication tools and timeliness.
Perfect. All of the communication is done in a designated channel of our Discord server. No requirement was ever overlooked, and frankly, we get close to instant responses on all of our requests even well outside of working hours (the time-zone difference between Europe and the US was never an issue).
What did you find most impressive or unique about this company?
We were impressed with their speed.
Are there any areas for improvement or something they could have done differently?
None
the project
ERP System Dev & Design for Electronics Mfr. Company
"So far I cannot think of anything that could have been done differently."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I am the director of a electronics manufacturing company. We deal with approx 50 different customers manufacturing pcb assemblies . Keytech employs 65 people
For what projects/services did your company hire 7L International, and what were your goals?
We previous designed a ERP system for keytech called keynote. Unfortunately we no longer have access to the original designer. We asked 7L to look at mantinence and upgrade of keynote to enable keynote to continue to work.
How did you select this vendor and what were the deciding factors?
We found 7L through an agent who put us in touch with 7L. We picked 7L because they proposed they would be able to modify and update existing code. All others said they would completely rewrite the process on different code. As there are many elements to the ERP system using the existing code was a better choice.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
We broke the lnitial work up into a number of projects which had out comes and deliverables new code versions. Inadditions 7L cleaned the existing codeas each section was updated.
How many people from the vendor's team worked with you, and what were their positions?
Currently we have 4 working with us A commercial manager. Code devloper and 2 project developers we meet regularly over Google meetings discuss next stage and deliverables
Can you share any measurable outcomes of the project or general feedback about the deliverables?
So far we have received 2 new upreved versions of code. After initial glitch which was resolved quickly . The new code is working with the additional functionality added.we are currently working on a new mobile app which will replace a very old outdated mobile device.
Describe their project management style, including communication tools and timeliness.
Because we had no documentation for the operation of the system we did a number if video show and tell type calls. The individual projects are posted on gitlab and requirements and deliverables are listed. We have a weekly video call with all the team which is helpful.
What did you find most impressive or unique about this company?
I found 7L's ability to understand the operation of the keynote system only by seeing the original code, which had very little comments in it and there was no operational manual supplied. This was most impressive.
Are there any areas for improvement or something they could have done differently?
So far I cannot think of anything that could have been done differently
the project
Analytics Dashboard Dev for Global Record Label
"They were a team I would work with on any project moving forward. They were remarkable engineers and business people."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I oversee our analytics team at EMPIRE, a global record label and music distributor.
For what projects/services did your company hire 7L International, and what were your goals?
We needed to provide a client-facing, influencer analytics dashboard for our priority clients. We had not been able to achieve our goals with traditional dashboard tools (tableau, data studio, etc). After speaking with 7L and in particular Michalis, we worked through a solution quickly and within a few weeks had a product that was beyond my expectations.
How did you select this vendor and what were the deciding factors?
7L advised me and challenged my perspective early which built trust and were able to explain their process thoroughly. I felt comfortable from the start and was confident in my decision.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Modern Analytics Dashboard built as a Web Application
- Framer (Design + Build)
- Airtable (API / Backend)
- ChartJS
- MUI Data Grid
- React, JavaScript, Typescript + Others
- Web Design Completion
- Responsiveness
- Fully coded chart and graph components
- worked to make the web app fully responsive
How many people from the vendor's team worked with you, and what were their positions?
Sr. Developer Michalis was the lead developer and main point of contact. Thanasis & Aggelos helped guide the initial discussion / discovery.
Can you share any measurable outcomes of the project or general feedback about the deliverables?
7L provided an incredible experience all around. Extremely professional, clear on objectives, and able to deliver above my expectations. They were a team I would work with on any project moving forward. They were remarkable engineers and business people.
Describe their project management style, including communication tools and timeliness.
Easily communicated through email and Discord throughout. Never had a lapse in communication.
What did you find most impressive or unique about this company?
Professionalism, skill level, and kindness.
Are there any areas for improvement or something they could have done differently?
No, this was an extremely good engagement.
the project
Website Development for Data-Visualization Studio
"7L International was a great partner in this project."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I'm the founder of Algo. Algo is a data-visualization studio specializing in video automation. We run a platform that turns data into videos, at scale.
For what projects/services did your company hire 7L International, and what were your goals?
I found 7L International when looking for a development partner skilled in creating custom components for complex interactions within Framer, the new no-code tool that was very recently launched to the public. Our goal was to find an experienced development team that could help us build our vision for some of the most complex interactions we had in mind.
How did you select this vendor and what were the deciding factors?
We got in touch with 7L International and Michalis in the Framer Discord channel. After reviewing their portfolio and articles on the topic, we understood they had the experience we needed.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
The 7L International team was tasked to create approximately 8 code-based components within Framer, covering the whole site most complex interactions. From a counter connected to an external api, to a WebGL transformation of images and video on Hover. Framer runs on React.
How many people from the vendor's team worked with you, and what were their positions?
We mainly worked with Michalis.
Can you share any measurable outcomes of the project or general feedback about the deliverables?
The site was launched reaching a traffic 10x bigger than the average traffic on the previous website. It's soon to give more results as the launch happened just a few days ago, but the new site is getting noticed online and it's already bringing us high-quality leads for our data-visualization & video automation projects.
Describe their project management style, including communication tools and timeliness.
We worked on Slack, with daily / weekly updates about the new features. We mainly used Loom to showcase new developments and provide feedback.
What did you find most impressive or unique about this company?
Michalis was really open to help us natigate through Framer and its features. Our internal dev team wasn't used to work with React so the whole project required a shift of mindset. 7L International was a great partner in this project.
Are there any areas for improvement or something they could have done differently?
None :)
the project
Web Development & Design for Creative Agency
"They provided an extremely impressive, bold, and responsive website that was absolutely true to our vision."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I am an Account Manager at a marketing and communications agency. We create communications for fashion, beauty, lifestyle and luxury brands worldwide.
For what projects/services did your company hire 7L International, and what were your goals?
We received a brief from a client who wanted to update their website ready for their big re-launch. Our goal was to create a unique and bold web experience that captured the brand and displayed its products beautifully.
How did you select this vendor and what were the deciding factors?
As we do not have any in-house web developers, and have worked with 7L International in the past, they were a great fit and understand our ways of working.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
The scope of work covered the web development and integration of new creative assets on a skincare brand's website that is hosted on Shopify. We had a kick-off meeting to discuss our goals and requirements. From there we shared the design mock-ups which their team then used to create the functioning site. This included a Home page, header, footer, responsive navigation menu and x3 product description pages.
How many people from the vendor's team worked with you, and what were their positions?
We communicated directly with 2 people from the vendor's team. The VP of Business Development and a Senior Web Software Engineer, Project Manager.
Can you share any measurable outcomes of the project or general feedback about the deliverables?
Our client was extremely happy with the final website. However it is too soon to yet share specific measurable outcomes.
Describe their project management style, including communication tools and timeliness.
The team were extremely responsive and able to work flexibly when required. Our communications were kept mainly to emails which allowed us to make amends and continue development between our Zoom calls.
What did you find most impressive or unique about this company?
They provided an extremely impressive, bold, and responsive website that was absolutely true to our vision. Their response times and efficiency was great.
Are there any areas for improvement or something they could have done differently?
Any small tweaks were picked up really quickly and amended even after the formal project end date which was really appreciated. The only minor feedback would be that it would be great to get a comprehensive timeline for the project up-front.
the project
MVP Development for Innovation Consulting Firm
"Everyone I worked with was very professional and easy to communicate with."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I'm the owner of a boutique innovation consulting firm. We help large organisations with innovation strategy, governance and execution.
For what projects/services did your company hire 7L International, and what were your goals?
7L International helped us develop an MVP for one of our client's innovation projects.
How did you select this vendor and what were the deciding factors?
We had already started internal development, but didn't have the capacity to respond to this urgent request. We found one of 7L International's engineer's Youtube channel which displayed a solution to one of the issues we were running in to. We then got in touch and decided to pair up with 7L for this project
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Figma, Framer, Next.js, AWS (Amplify, s3)
How many people from the vendor's team worked with you, and what were their positions?
- Project manager
- Frontend engineer
- Backend engineer
- DevOps engineer
Can you share any measurable outcomes of the project or general feedback about the deliverables?
The MVP is running at the moment. Initial feedback is very positive. We haven't run into technical issues
Describe their project management style, including communication tools and timeliness.
Very quick to respond to both email, issues in Gitlab
What did you find most impressive or unique about this company?
Everyone I worked with was very professional and easy to communicate with. Their response time has probably impressed me most, along with their flexibility in doing parts together with our team.
Are there any areas for improvement or something they could have done differently?
None. Bugs that arose were picked up and squashed immediately
Since they started working with 7L International, the client has obtained meaningful data from their analytics tools. In addition, they've established custom rules for logging into the platform, and their invite system has been functioning well. The team has completed all of the requirements.