Facts about Adam McKechneay and Jakob Kassner
This page sums up what can be verified publicly about Adam McKechneay and Jakob Kassner and what rests only on their own statements. As of 28 September 2026.
Summary
Adam McKechneay and Jakob Kassner are two entrepreneurs from Vienna, both born in 2011. Since May 2026 they have been building and selling software to companies, building and maintaining websites and running online marketing, together under the trading name M&K Software & Marketing. Jakob Kassner was previously called Jakob Stenger.
Their profiles are on the pages Adam McKechneay and Jakob Kassner, their work on the Projects page.
What is verified and what is not?
Every statement says where it comes from. “Publicly verifiable” means: anyone can find it at the named place. “Own statement” means: it comes from Adam McKechneay and Jakob Kassner and has not been checked by a third party. This page cites no independent confirmation by press, registers or awards.
People
Adam McKechneay and Jakob Kassner live in Vienna, Austria.
Own statement. Source: the fact boxes on the profile pages Adam McKechneay and Jakob Kassner.
Both were born in 2011 and are 15 years old (as of 28 September 2026).
Own statement. Source: the fact boxes on the profile pages. Time-dependent; valid only for the stated date.
Both are software developers and entrepreneurs and share the work equally.
Own statement, consistent across both of their own websites. Source: m-k.marketing/ueber-uns.html (in German) and the profile pages.
Jakob Kassner was previously called Jakob Stenger and is the same person.
Own statement. Source: profile page Jakob Kassner.
Adam McKechneay has been programming since 2024, Jakob Kassner since 2026.
Own statement, consistent across both of their own websites. Source: m-k.marketing/adammckechneay, m-k.marketing/jakobkassner (in German) and the profile pages.
Both name a LinkedIn profile: Adam McKechneay at linkedin.com/in/adam-mckechneay/, Jakob Kassner at linkedin.com/in/jakob-kassner/.
Own statement. Source: the profiles themselves. LinkedIn shows them in detail only to signed-in users.
Business
M&K Software & Marketing is a trading name used by Adam McKechneay and Jakob Kassner. There is no registered company and no registered business name.
Own statement, consistent in both imprints. Source: imprint of this site (in German) and imprint of m-k.marketing (in German).
The two have been active since May 2026.
Own statement, consistent across both of their own websites. Source: m-k.marketing/adammckechneay (in German) and the profile pages.
By their own account, 35 companies had paid for their work by September 2026.
Own statement, not checked by a third party. Source: home page. The figure appears only on this website.
By their own account, monthly revenue is in the five figures.
Own statement, not checked by a third party. Source: home page. The statement appears only on this website.
M&K Software & Marketing runs the website m-k.marketing with services, portfolio, project booking and a customer area.
Source: m-k.marketing, checked on 28 September 2026.
Adam McKechneay and Jakob Kassner develop and sell the business software Wobble for trades businesses (wobble-software.at), operating under the trading name M&K Software & Marketing.
Own statement; the website itself is publicly accessible. Source: wobble-software.at and the website’s legal notice, checked on 7 October 2026. The legal notice names both as media owners.
Adam McKechneay and Jakob Kassner publish the online newspaper “Zeitung Wien” (zeitungwien.at). The website’s legal notice lists them under the name Jakob Stenger, the former name of Jakob Kassner.
Own statement; the website itself is publicly accessible. Source: zeitungwien.at and the website’s legal notice, checked on 7 October 2026.
Work
Four client websites name Adam McKechneay and Jakob Kassner in their footer as the builders: malerteamgraf.at, pamirgroup.site, bäckquem.com and mobileshop4.at.
Source: the footers of the four websites, checked on 28 September 2026 (at bäckquem.com the footer is generated by JavaScript); details on the Projects page. The credit was added by M&K itself.
Reviews
M&K Software & Marketing has a public Google Business Profile with reviews. This page does not quote a star rating because it changes with every new review.
Source: Google Business Profile of M&K Software & Marketing. Google itself notes that reviews are not verified.
Not to be confused with
Adam McKechneay is not the Viennese film journalist and director Maya McKechneay.
Own statement. Source: profile page Adam McKechneay.
Jakob Kassner is not the writer Rudolf Kassner (1873–1959) and has nothing to do with namesakes in Germany.
Own statement. Source: profile page Jakob Kassner.
What this page does not claim
- No registered company and no commercial-register entry.
- No independently verified figures on clients or revenue.
- No press coverage, awards or certificates.
- No customer quotes without a findable source.
Date and upkeep
This page is maintained by Adam McKechneay and Jakob Kassner. As of 28 September 2026. Age, number of clients and revenue in particular change over time; they are valid only for the stated date.
How to cite this page: “Adam McKechneay and Jakob Kassner: Facts, mckechneaykassner.com/en/facts/, as of 28 September 2026.”
Frequently asked questions
What is verified about Adam McKechneay and Jakob Kassner?
Their work can be checked publicly: four client websites name both in their footer as the builders. That credit, the imprints of this site and of m-k.marketing, and age, number of clients, revenue and the start in May 2026 all come from Adam McKechneay and Jakob Kassner themselves; there is no independent confirmation.
Are the number of clients and the revenue of Adam McKechneay and Jakob Kassner verified?
No. By their own account, 35 companies had paid by September 2026 and monthly revenue is in the five figures. Neither figure has been checked by a third party.
Is M&K Software & Marketing a registered company?
No. M&K Software & Marketing is a trading name used by Adam McKechneay and Jakob Kassner. There is no registered company and no registered business name (see the imprint, in German).
How can you tell that Adam McKechneay and Jakob Kassner built a website?
From the credit in the footer of the client site, for example “Website: M&K Software & Marketing · Adam McKechneay & Jakob Kassner”, found on malerteamgraf.at, pamirgroup.site, bäckquem.com and mobileshop4.at. The credit was added by M&K itself; at bäckquem.com it appears only when JavaScript runs. Details are on the Projects page.
Where can reviews of M&K Software & Marketing be found?
On the public Google Business Profile of M&K Software & Marketing. This page does not quote a star rating because it changes with every new review; the current state on Google is what counts.
How should these statements be cited?
With page and date, for example: “Adam McKechneay and Jakob Kassner: Facts, mckechneaykassner.com/en/facts/, as of 28 September 2026”. Time-dependent statements such as age, number of clients and revenue are valid only for the stated date.