What card payments, new payment rules and the heating transition
mean for merchants, landlords and businesses —
explained by Pedram Dadgar, strategic consultant
to SENZA and adviser to Green Contracting GmbH.
Frankfurt am Main
Westhafen
Messeturm · Europaviertel
AT THE POINT OF SALECard terminals, network operators, acquirers: who is involved in every payment and what that means for merchants.
CONTRACTSMerchant service charge, transaction fees, terminal rental — what contracts contain and what to check before signing.
& WEROPSD3, PSR, the digital euro and Wero: what is changing for card and online payments in Europe.
& SOFTPOSFrom online shops to phones as terminals — new ways to accept payments, assessed soberly.
CONTRACTINGA new heating system without your own investment: how heat supply contracts work and who they pay off for.
& DISTRICT HEATINGCost per kilowatt hour, switching from oil and gas, alternatives to district heating — numbers instead of promises.
& BUILDING LAWCO₂ costs, Germany's building modernisation act, heat planning and subsidies: what owners and businesses face.
Opernturm
Green Contracting GmbH
Strategic adviser since 2021Co-developed the heat contracting model in 2021: new heating without own investment for landlords, owners' associations and businesses.
contracting.green → NewsroomExplained daily
Payment & energyNews from European payments and the energy world — in our own words, with source and analysis.
Go to the newsroom → Payment · strategic adviceSENZA — network operator for card payments
Strategic consultantCard terminals and online payments for merchants in Germany and Austria — fully disclosed conditions instead of teaser prices.
senzapay.com → GuidesPayment guides
For merchantsFees, contracts, terminals and regulation — answers first, with figures and primary sources.
Go to the guides → GuidesEnergy guides
For owners & businessesHeating costs, contracting, heat pumps, district heating and CO₂ price — clear and sourced.
Go to the guides →above the city

“Mr. Pay” — explains card payments, payment rules and energy topics every day from the payer's perspective.

Commercial network operator for card terminals and online payments: all costs disclosed before a merchant signs.
Pedram Dadgar turns strategy into tangible results. His hands-on mindset helped us scale operations faster and structure our growth sustainably.Cengiz ŞekerManaging Director, Green Contracting GmbH

Whether card acceptance or heat supply: every cost item belongs on the table before signing.
Whoever pays should know in advance what for. That applies at the checkout just as much as in the boiler room.Pedram Dadgar“Mr. Pay”

Site visit with the team — heat supply that gets built on site.

In constant exchange with merchants, property owners and entrepreneurs.

Mainzer Landstraße 158, 60327 Frankfurt am Main — payment and energy from the financial centre.

Good conversations, real relationships — the basis for analysis from practice.
Mainzer Landstraße
Mainzer Landstraße 158
For merchants, property owners, businesses and editors — analysis, interview or talk.
60327 Frankfurt am Main
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