Marketing21 is a results-driven digital marketing agency based in Budapest, Hungary. Currently we help more than 90 companies—locally and internationally—grow through ROI-focused online marketing. With a professional team of 20 specialists, we provide a full spectrum of services including PPC, SEO, social media marketing, analytics, web design, and lead generation.
We are a certified Google Partner agency and manage over €7 million in ad spend annually across platforms like Google Ads, Meta, TikTok, Taboola and LinkedIn. Our strength lies in combining strategic thinking with data-based execution to achieve what truly matters: leads, sales, and sustainable business growth.
Our approach is transparent, performance-oriented, and flexible. Each project starts with a tailored consultation, based on industry knowledge and SMART goal setting.
We specialize in both B2B and B2C markets, including key industries such as private healthcare, construction, e-commerce, HR, and real estate. Whether you're looking to generate qualified leads, improve SEO / AIO performance, or scale your webshop sales, we deliver clear, trackable outcomes.
If your organization is seeking a trusted partner to deliver measurable growth through digital marketing services, at Marketing21 we are ready to become your growth engine. With flexible engagement models, cutting‑edge technology, and a passion for results, we invite you to connect with us — beginning with a free consultation and opening the door to long‑term campaign success.
Marketing21 Online Marketing Agency offers good value for cost, with clients noting budget-friendly pricing and high-quality service. Specific project costs were not disclosed, but clients praised timely delivery and effective communication, contributing to overall satisfaction.
Marketing21 Online Marketing Agency has been praised for delivering quality websites, with clients noting their expertise in SEO and Google Ads integration. The websites were delivered on time and aligned with the clients' values and expectations.
Strong Project Management
Marketing21 is recognized for excellent project management skills, delivering projects on or ahead of schedule. Clients appreciate their responsiveness, adaptability, and thorough communication throughout the project lifecycle.
Good Return on Advertising Spend
Marketing21 has achieved commendable ROAS for clients through well-managed Facebook and Google Ads campaigns, enhancing conversion rates and delivering significant business value.
Excellent Client Communication
The agency's communication is praised as being clear, consistent, and effective, using email and messaging apps to keep clients informed and involved in the project process.
High Customer Satisfaction
Clients consistently express satisfaction with Marketing21's services, highlighting their professionalism, helpfulness, and precision in work. No areas for improvement were noted, indicating high client contentment.
Marketing21 Online Marketing Agency developed a website for a PR firm. The team also implemented SEO and Google Ads.
Marketing21 Online Marketing Agency delivered an English and Hungarian website that aligned with the client's values. The team delivered on time and was patient with the client's changing needs and expectations. Moreover, they were responsive through email.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Managing Director of Emerald Public Relations
Describe what your company does in a single sentence.
Classic Public Relations agency focusing on reputation management, personal branding and crisis communication.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Marketing21 Online Marketing Agency to accomplish?
To create the agency website.
SOLUTION
How did you find Marketing21 Online Marketing Agency?
Referral
Why did you select Marketing21 Online Marketing Agency over others?
Company values aligned
How many teammates from Marketing21 Online Marketing Agency were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
We needed a new website that was created with SEO and we wanted to use Google Ads to boost visitors. Marketing21 provided great quality work within the agreed timeframe. We were very satisfied with the service.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
An English and Hungarian website that matches the quality work and values of Emerald PR.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
They delivered on time and they were very patient with our ever-changing needs and expectations.
What was your primary form of communication with Marketing21 Online Marketing Agency?
Email or Messaging App
What did you find most impressive or unique about this company?
We have had information about their work, but it was nice to experience the top quilty first hand.
Are there any areas for improvement or something Marketing21 Online Marketing Agency could have done differently?
No, everything was well done.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Website Dev & Maintenance for Auto Equipment Calibration Co
Search Engine OptimizationWeb Design
Less than $10,000
Jan. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"I was impressed with their helpfulness and the precision and accuracy of their work."
Oct 10, 2025
Owner, Tools Control Kft.
Gyula Takács
Verified
Automotive
Budapest, Hungary
1-10 Employees
Online Review
Verified
Marketing21 Online Marketing Agency has created and maintained a website for an automotive equipment calibration company.
Marketing21 Online Marketing Agency has helped the client gain more customers and streamline their administrative processes. The team has completed the project ahead of schedule, and their helpfulness and precise and accurate work have impressed the client.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Owner of Tools Control Kft.
Describe what your company does in a single sentence.
Automotive equipment calibration.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Marketing21 Online Marketing Agency to accomplish?
Website creation and ongoing maintenance
SOLUTION
How did you find Marketing21 Online Marketing Agency?
Referral
Why did you select Marketing21 Online Marketing Agency over others?
High ratings
Pricing fit our budget
Good value for cost
Company values aligned
How many teammates from Marketing21 Online Marketing Agency were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
website creation and ongoing maintenance
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
More customers, easier administration process
Describe their project management. Did they deliver items on time? How did they respond to your needs?
We understood each other to the fullest extent, and the developments were completed ahead of schedule.
What was your primary form of communication with Marketing21 Online Marketing Agency?
In-Person Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
I was impressed with their helpfulness and the precision and accuracy of their work.
Are there any areas for improvement or something Marketing21 Online Marketing Agency could have done differently?
There is none!
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
SEO, PPC & Website Maintenance for Wedding Invitation Co
Pay Per ClickSearch Engine OptimizationWeb Development
Google app engine
+1
Less than $10,000
Feb. - Mar. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Their flexibility and speed were impressive!"
Aug 31, 2025
Business Owner, Webalbum Stúdió Kft.
Nagy Zoltán
Verified
Other industries
Budapest, Hungary
1-10 Employees
Online Review
Verified
Marketing21 Online Marketing Agency provided SEO and PPC services for a wedding invitation design and production company. The team optimized and maintained the client's WordPress website.
Marketing21 Online Marketing Agency helped the client improve the speed of their website, eliminate errors, and boost their Google ranking. The team completed all tasks within the promised deadline and communicated effectively via email and messaging apps. Overall, the engagement was a success.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the business owner of Webalbum Stúdió Kft.
Describe what your company does in a single sentence.
By designing and producing wedding invitations!
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Marketing21 Online Marketing Agency to accomplish?
SEO
PPC
SOLUTION
How did you find Marketing21 Online Marketing Agency?
Online Search
Referral
Why did you select Marketing21 Online Marketing Agency over others?
High ratings
Close to my geographic location
Pricing fit our budget
Great culture fit
Referred to me
Company values aligned
How many teammates from Marketing21 Online Marketing Agency were assigned to this project?
1 Employee
Describe the scope of work in detail. Please include a summary of key deliverables.
WP optimization and maintenance and website development!
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The site is faster! It has moved up in Google search! The errors have disappeared!
Describe their project management. Did they deliver items on time? How did they respond to your needs?
After negotiations, everything was done on the promised deadline!
What was your primary form of communication with Marketing21 Online Marketing Agency?
Email or Messaging App
What did you find most impressive or unique about this company?
Their flexibility and speed were impressive!
Are there any areas for improvement or something Marketing21 Online Marketing Agency could have done differently?
I can't say that!
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
PPC & Social Media Marketing for Energy Company
Pay Per ClickSocial Media Marketing
Google Adwords
+1
Confidential
June 2022 - Nov. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They knew the marketing trends and acted on time."
Aug 12, 2025
Business Development Manager, SOLER Partners Kft.
Mark Markovics
Verified
Energy & natural resources
Budapest, Hungary
11-50 Employees
Online Review
Verified
Marketing21 Online Marketing Agency ran a PPC campaign for an energy company. The team conducted keyword research, set the parameters on Meta and Google platforms, and monitored the campaign.
Marketing21 Online Marketing Agency delivered more than 150 leads per month, which increased the conversion rate to 10% and revenue by 30%. The team communicated excellently, and their work was transparent. Moreover, the team was responsive, knowledgeable, and easy to work with, which stood out.
BACKGROUND
Introduce your business and what you do there.
I’m the business development manager at Soler Partners Kft., an energy and natural resources company. We specialize in energy-efficient residential and industrial renovation services.
OPPORTUNITY / CHALLENGE
What challenge were you trying to address with Marketing21 Online Marketing Agency?
We needed to improve our online visibility and attract more potential buyers to our website.
SOLUTION
What was the scope of their involvement?
We asked Marketing21 Online Marketing Agency to run a PPC campaign for us. We specified our budget and asked for at least 100 leads per month. The team conducted keyword research and set the parameters on Meta and Google platforms. They delivered more than 150 leads per month for the specified budget. Additionally, they continuously monitored the trends and costs of our campaigns. Every month, we had a meeting to discuss the results. They suggested adjustments to our current campaigns to maximize the results and get more potential leads.
What is the team composition?
We worked with three teammates from Marketing21 Online Marketing Agency.
How did you come to work with Marketing21 Online Marketing Agency?
I found Marketing21 Online Marketing Agency online. I saw a company among their references that I knew, and they had a good opinion about the team. Moreover, Marketing21 Online Marketing Agency had a clear and transparent price structure and a good offer.
What is the status of this engagement?
The project lasted from June 2022–November 2024.
RESULTS & FEEDBACK
What evidence can you share that demonstrates the impact of the engagement?
Our revenue grew, and Marketing21 Online Marketing Agency brought more potential leads. From these leads, we could convert more buyers. We had a 10% conversion rate, which was considered high in our industry. Sometimes, it was 15% due to the seasonal effect. Overall, our revenue was 30% higher, thanks to Marketing21 Online Marketing Agency’s marketing services.
How did Marketing21 Online Marketing Agency perform from a project management standpoint?
Marketing21 Online Marketing Agency delivered on time. They had really good communication and transparent work. We primarily communicated through emails and monthly video conference calls.
What did you find most impressive about them?
Marketing21 Online Marketing Agency’s team was responsive, knowledgeable, and easy to work with. They knew the marketing trends and acted on time.
Are there any areas they could improve?
I can’t say anything that would hinder the work.
RATINGS
5.0
"I can confidently recommend their services to anyone looking to grow their online presence and generate real results."
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
PPC Management for Home Appliances Company
E-Commerce DevelopmentPay Per ClickSocial Media Marketing
$10,000 to $49,999
Jan. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They are doing well."
Jul 30, 2025
Marketing Manager, Warnex
Zoltan Baranyai
Verified
Energy & natural resources
Budapest, Hungary
11-50 Employees
Online Review
Verified
Marketing21 Online Marketing Agency provides PPC services for a home appliances company. The team handles the client's Facebook and Google Ads campaigns.
Marketing21 Online Marketing Agency has helped the client achieve a good ROAS and conversion rate. The team has been responsive and highly professional throughout the process. Moreover, they communicate via email and messaging apps and are always willing to lend a helping hand.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Marketing manager of Warnex
Describe what your company does in a single sentence.
Stoves, fireplaces and air conditioners - B2B, B2C
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Marketing21 Online Marketing Agency to accomplish?
Google ads
Facebook ads
SOLUTION
How did you find Marketing21 Online Marketing Agency?
Referral
Why did you select Marketing21 Online Marketing Agency over others?
High ratings
Great culture fit
Company values aligned
How many teammates from Marketing21 Online Marketing Agency were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Handling our Fb and Google ads with high ROAS
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Good ROAS, conversions
Describe their project management. Did they deliver items on time? How did they respond to your needs?
They are always responding and helping with the technical issues as well
What was your primary form of communication with Marketing21 Online Marketing Agency?
Email or Messaging App
What did you find most impressive or unique about this company?
Professional services
Are there any areas for improvement or something Marketing21 Online Marketing Agency could have done differently?
They are doing well
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 1-5 of
5 Reviews
Locations (1)
Vaskapu street 20. (Marketing21 office)Budapest, Hungary1097
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