More customers. More business.

Increase your visibility.

We Eat & Breathe SEO

SEO is our core competence. We support you with a master plan tailor-made by experts with diverse professional experience in marketing, web design and other specialty areas.

Success is More Important Than Contracts

We believe that nothing is more convincing than performance, which is why we forego long-term, binding contracts. We expect you to measure our worth based on the results we get for your business. We’re confident that you’ll choose us a long-term partner because we’re SEO specialists who pride ourselves on delivering total client satisfaction.

We Love Building Relationships

We believe that quality is always more important than quantity. Our Founder and CEO, Nils Cartsburg, feels strongly about building personal, productive relationships with each of his customers. That’s why he’s in charge of all of our projects and will be your contact person anytime you need to talk about what matters to your company.

What We Can Do for You

We have proven competency in multiplying customer inflow and providing permanent business and sales opportunities. We rely on our tested, proven and highly successful search engine optimization expertise to deliver results.

Good SEO is always planned and organized. We use a mix of both excellent on-page and off-page optimization alongside stellar design that converts customers to achieve outstanding outcomes for our business clients.

We’re here to explore and evaluate all of the options for your business, for free, without any obligations.


Successful SEO for SMEs

that we had to hire new employees after 7 months."

"Thanks to FirmCatalyst our customer inflow has grown so much

Still not convinced?
Here’s why you should be.


Thanks to our deep SEO expertise, we achieve top ranking for our clients.


There's no BS or meaningless promises here: Only our results count. We deliver, and we establish long-term client relationships by doing so.


We do diligent, high-quality and transparent work. Our results are permanent.

No Binding Contracts

We're convinced that you'll stay with us without a long-term contract, so we don't make them.

Bespoke Solutions

There's no mass processing here. We work with you to create a marketing package that fits your company and its needs.


If you have a request or wish, it's a matter for the boss. CEO Nils Cartsburg is your direct contact for all matters.

"We had to try three agencies before we found FirmCatalyst and its great service. FirmCatalyst has finally brought us results."

About FirmCatalyst

Sustainable SEO and
Online Marketing from Berlin

FirmCatalyst was founded in 2009 by Nils Cartsburg, who has gained a wealth of experience in search engine optimization for small and medium businesses throughout Germany and with select international companies based in Canada and the U.S. Our clients include 3D printing services, medical offices and companies, web design agencies, language schools and wedding photographers. Many of our clients belong to premium segments and expect tailored, premium services targeted to their exact needs. We’ve consistently done that, which is why we’ve been able to build long-term partnerships based on trust and satisfaction without any contracts.

Our philosophy is to think and act from multiple perspectives. This allows us to get outside the box and beyond the confines of traditional SEO. With a team from various disciplines and professions, we work to create sustainable, multidimensional concepts for our clients. Although we focus on search engine optimization, we can also recommend complementary services when necessary. Content, practical marketing, web design and web hosting are all within our expertise.

We incorporate all of these measures into your overall concept while maintaining a consistent goal: To significantly support the performance and conversion rates of client websites so that increases in overall business and customer contact are realized. High-quality work, sustainability and mutual trust are always our top priorities. We measure ourselves against these objectives and welcome our clients to measure us against them too.

Firmcatalyst Logo

About Nils Cartsburg

Nils founded FirmCatalyst with the aim of providing high quality, transparency and quantifiable outcomes in the SEO realm. These objectives have allowed the company to stand out from untrustworthy competitors who offer only insufficient results and a poor work ethic.

During his business administration studies at the Freie Universität Berlin, which he completed with a diploma and thesis on SEO and SEA, Nils gained practical experience with affiliate marketing and search engine optimization. Building on this experience, he decided to found his own company.

A true expert, Nils has witnessed all of the drastic, groundbreaking changes in search engine technology over the years. He’s gained incredible experience with both SEO and marketing for diverse clientele. It’s his passion and curiosity for web technologies, as well as his ambition to keep up with rapid changes in the Internet and search engine technology, that makes Nils a top talent in the SEO field. His experience means that our customers can can be confident in success both today and in the future.

With high expectations for himself and a philosophy that centers on treating all employees and clients with the utmost in respect and appreciation, Nils earns the trust needed to maintain long-term business and personal relationships.

"FirmCatalyst has been a reliable and trustworthy partner in all our online issues for more than 3 years. We owe much of our success to the dedicated work of Firm Catalyst."



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