Accelerate your digital product development

Build scalable mobile, web and AI apps with a top-tier engineering team at your side.

Accelerate your digital product development

Build scalable mobile, web and AI apps with a top-tier engineering team at your side.

Accelerate your digital product development

Build scalable mobile, web and AI apps with a top-tier engineering team at your side.

Book a free strategy call with our CEO

Book a free strategy call with our CEO

Book a free strategy call with our CEO

Our Senior AI & Research Team

Your trusted experts in applied AI and scalable systems

I’m Marcin

I’m Marcin

I’m Marcin

CEO & Lead Engineer

CEO & Lead Engineer

CEO & Lead Engineer

I’m Jakub

I’m Jakub

I’m Jakub

Senior AI Developer, PhD

Senior AI Developer, PhD

Senior AI Developer, PhD

I’m Michał

I’m Michał

I’m Michał

Senior Embedded Software Engineer

Senior Embedded Software Engineer

Senior Embedded Software Engineer

I’m Piotr

I’m Piotr

I’m Piotr

Senior Web Developer

Senior Web Developer

Senior Web Developer

End-to-End

Product Delivery

End-to-End Product Delivery

From concept to launch
and beyond

Product Strategy & Design

Product Strategy & Design

Product Strategy & Design

We shape your product vision and translate ideas into clear, testable concepts — through discovery workshops, user insights,

and rapid prototyping.

We shape your product vision and translate ideas into clear, testable concepts — through discovery workshops, user insights,

and rapid prototyping.

We shape your product vision and translate ideas into clear, testable concepts — through discovery workshops, user insights, and rapid prototyping.

Custom Software Development

Custom Software Development

Custom Software Development

From fast backends to refined interfaces

— we deliver web and mobile apps using proven technologies and scalable architecture.

From fast backends to refined interfaces — we deliver web and mobile apps using proven technologies and scalable architecture.

From fast backends to refined interfaces

— we deliver web and mobile apps using proven technologies and scalable architecture.

AI & Embedded Technology

AI & Embedded Technology

AI & Embedded Technology

We build AI-powered systems — from LLMs to vision — and deploy them on custom devices and embedded hardware for smooth

on-device performance.

We build AI-powered systems — from LLMs to vision — and deploy them on custom devices and embedded hardware for smooth

on-device performance.

We build AI-powered systems — from LLMs to vision — and deploy them on custom devices and embedded hardware for smooth on-device performance.

Cloud Architecture & DevOps

Cloud Architecture & DevOps

Cloud Architecture & DevOps

We build secure, scalable infrastructures — from AWS to on-prem — with automation,

CI/CD, and cloud-native tooling tailored

to your product’s growth.

We build secure, scalable infrastructures — from AWS to on-prem — with automation, CI/CD, and cloud-native tooling tailored to your product’s growth.

We build secure, scalable infrastructures — from AWS to on-prem — with automation, CI/CD, and cloud-native tooling tailored to your product’s growth.

QA & Ongoing Support

QA & Ongoing Support

QA & Ongoing Support

We ensure long-term stability through continuous testing, monitoring, and audits — keeping your product fast, secure,

and reliable at scale.

We ensure long-term stability through continuous testing, monitoring, and audits — keeping your product fast, secure,

and reliable at scale.

We ensure long-term stability through continuous testing, monitoring, and audits — keeping your product fast, secure, and reliable at scale.

Certified partners

A solution for managing and scaling in-app subscriptions, powering 50,000+ apps and generating over $8 billion in annual revenue.

A solution for managing and scaling in-app subscriptions, powering 50,000+ apps and generating over $8 billion in annual revenue.

A solution for managing and scaling in-app subscriptions, powering 50,000+ apps and generating over $8 billion in annual revenue.

As a technology partner, we help businesses maximize their subscription models.

As a technology partner, we help businesses maximize their subscription models.

As a technology partner, we help businesses maximize their subscription models.

Marcin, CEO

A solution for creating and optimizing in-app purchase screens, powering over 1 billion users and 700K monthly conversions.

A solution for creating and optimizing in-app purchase screens, powering over 1 billion users and 700K monthly conversions.

A solution for creating and optimizing in-app purchase screens, powering over 1 billion users and 700K monthly conversions.

Recent work

Mobile App Development
Web App Development

iOS & Android

System

Cross-platform

App

Educational tech.

Industry

Mobile App Development
Web App Development

iOS & Android

System

Cross-platform

App

Educational tech.

Industry

Mobile App Development
Web App Development
Mobile App Development
Web App Development

iOS & Android

System

Cross-platform

App

Educational tech.

Industry

Mobile App Development
Web App Development

iOS & Android

System

Cross-platform

App

Educational tech.

Industry

Mobile App Development

iOS & Android

System

100 000+

Downloads

1500+

5-star reviews

Mobile App Development

iOS & Android

System

100 000+

Downloads

1500+

5-star reviews

Mobile App Development
Mobile App Development

iOS & Android

System

100 000+

Downloads

1500+

5-star reviews

Mobile App Development

iOS & Android

System

100 000+

Downloads

1500+

5-star reviews

Why businesses choose us

Why businesses choose us

See 10 reasons why
See 10 reasons why
1
1
We form lasting partnerships
We form lasting partnerships

100k+ app downloads, 1500+ 5-star reviews

100k+ app downloads, 1500+ 5-star reviews

100k+ app downloads,

1500+ 5-star reviews

"I wanted to find the right person who I felt that I can really trust. And there was something about Marcin — he just seemed to have status to really know what he was talking about."

"I wanted to find the right person who I felt that I can really trust. And there was something about Marcin — he just seemed to have status to really know what he was talking about."

Tara Menzies

CEO, Christian Hypnobirthing & Daily Stillness

2
Proven track record

Over 100

positive reviews across:

4
A Friendly and Professional Team

At Inventively LLC, we believe that great projects start with great relationships. Our team is known for being approachable, professional, and easy to work with. We take a personal approach to every project, building trust and ensuring a smooth collaboration from start to finish.

6
Experience at Scale

"Marcin set up new processes that positioned our company for long-term success. His blend of technical, UX design and marketing skills makes him an invaluable partner.


We plan to hire more developers from Marcin's company to expand our engineering capability. Two developers from his team engaged in this project too and they were very professional and knowledgeable. We're excited to see what we can achieve together!"

Migrate Web App to Mobile with 225K Users

Consultant with Subscription Expertise Needed

5.0

/

5.0

8
Creative and Timely

"Absolutely loved working with Marcin. He delivered on time, figured out how to make my demands work. Was creative and timely. The app was prepared for iOS and Android and submitted to the app stores perfectly. Would highly recommend him and work with him again."

Eline Van Der Velden

Founder and CEO of Particle6

5.0

/

5.0

10
Trusted Partners & Advisors

"Throughout the project, Marcin provided invaluable advice and helped keep the project on course. His professionalism, discipline, and ability to command respect from everyone involved were instrumental in the success of the app's development.


I highly recommend Marcin for his expertise in UI/UX design and his exceptional project management skills. He is a true asset to any team and can effectively guide a project from concept to completion."

Naki Ufuk Soyturk

Founder of UltraV

5.0

/

5.0

3
Quality of work

"Absolutely loved working with Marcin. He delivered on time, figured out how to make my demands work. Was creative and timely. The app was prepared for iOS and Android and submitted to the app stores perfectly. Would highly recommend him and work with him again."

Ali Iberraken

CEO, Chapperone

5
We Help You Start Smart

"Valuable investment! We started with a paid discovery phase which reshaped our initial ideas, producing a project scope and estimates. Guidance on UX design, tech and business was very helpful."

Luka

Founder of Motokaii

5.0

/

5.0

7
Addressing real business needs

"Marcin brought clarity and speed to our project. He stayed focused on business outcomes, not just features or visuals. His input solved real problems and helped us work smarter and serve customers better. I highly recommend working with him!"

Marten

Client from Berlin

9
We take responsibility for the success of the project
We take responsibility for the success
of the project

"I can recommend Marcin's development firm. They are transparent about their processes, pricing, and progress, and they take responsibility for the success of the project. Very proactive and skilled in both technology and business. Our business has been growing so all the pieces on the digital side came together nicely."

Will

Client from Toronto

5.0

/

5.0

2
Proven track record

Over 100

positive reviews across:

3
Quality of work

"Absolutely loved working with Marcin. He delivered on time, figured out how to make my demands work. Was creative and timely. The app was prepared for iOS and Android and submitted to the app stores perfectly. Would highly recommend him and work with him again."

Ali Iberraken

CEO, Chapperone

4
A Friendly and Professional Team

At Inventively LLC, we believe that great projects start with great relationships. Our team is known for being approachable, professional, and easy to work with. We take a personal approach to every project, building trust and ensuring a smooth collaboration from start to finish.

5
We Help You Start Smart

"Valuable investment! We started with a paid discovery phase which reshaped our initial ideas, producing a project scope and estimates. Guidance on UX design, tech and business was very helpful."

Luka

Founder of Motokaii

5.0

/

5.0

6
Experience at Scale

"Marcin set up new processes that positioned our company for long-term success. His blend of technical, UX design and marketing skills makes him an invaluable partner.


We plan to hire more developers from Marcin's company to expand our engineering capability. Two developers from his team engaged in this project too and they were very professional and knowledgeable. We're excited to see what we can achieve together!"

Migrate Web App to Mobile with 225K Users

Consultant with Subscription Expertise Needed

5.0

/

5.0

7
Addressing real business needs

"Marcin brought clarity and speed to our project. He stayed focused on business outcomes, not just features or visuals. His input solved real problems and helped us work smarter and serve customers better. I highly recommend working with him!"

Marten

Client from Berlin

8
Creative and Timely

"Absolutely loved working with Marcin. He delivered on time, figured out how to make my demands work. Was creative and timely. The app was prepared for iOS and Android and submitted to the app stores perfectly. Would highly recommend him and work with him again."

Eline Van Der Velden

Founder and CEO of Particle6

5.0

/

5.0

9
We take responsibility for the project’s success.

"I can recommend Marcin's development firm. They are transparent about their processes, pricing, and progress, and they take responsibility for the success of the project. Very proactive and skilled in both technology and business. Our business has been growing so all the pieces on the digital side came together nicely."

Will

Client from Toronto

5.0

/

5.0

10
Trusted Partners & Advisors

"Throughout the project, Marcin provided invaluable advice and helped keep the project on course. His professionalism, discipline, and ability to command respect from everyone involved were instrumental in the success of the app's development.


I highly recommend Marcin for his expertise in UI/UX design and his exceptional project management skills. He is a true asset to any team and can effectively guide a project from concept to completion."

Naki Ufuk Soyturk

Founder of UltraV

5.0

/

5.0

Available for projects

Let’s build your product together

Book a free strategy call with our CEO

Available for projects

Let’s build your product together

Book a free strategy call with our CEO

Available for projects

Let’s build your product together

Book a free strategy call with our CEO

Available for projects

Let’s build your product together

Book a free strategy call with our CEO

Available for projects

Let’s build your product together

Book a free strategy call with our CEO

Delaware, U.S.

254 Chapman Rd, Ste 208 #10752 Newark, Delaware 19702, United States

5.0

/

5.0

© All rights reserved Inventively LLC

Delaware, U.S.

254 Chapman Rd, Ste 208 #10752 Newark, Delaware 19702, United States

5.0

/

5.0

© All rights reserved Inventively LLC

Delaware, U.S.

254 Chapman Rd, Ste 208 #10752 Newark, Delaware 19702, United States

5.0

/

5.0

© All rights reserved Inventively LLC

Delaware, U.S.

254 Chapman Rd, Ste 208 #10752 Newark, Delaware 19702, United States

5.0

/

5.0

© All rights reserved Inventively LLC

Delaware, U.S.

254 Chapman Rd, Ste 208 #10752 Newark, Delaware 19702, United States

5.0

/

5.0

© All rights reserved Inventively LLC