27th August 2026
I have been around coffee my whole working life. My father sold his first case back in May 1979, and in the decades since, I have walked into hundreds of cafés across Kent, London and the wider south east. The ones that thrive are rarely the ones with the flashiest fit out. They are the ones where somebody has taken the time to get the fundamentals right.
If you are wondering how to improve your café’s coffee quality, the good news is that most of the gains come from a handful of things you can fix this month. Here is where I would start.
You cannot rescue a poor bean with good technique. It simply does not work that way. Ask your supplier where the coffee comes from, when it was roasted and how it was blended. If nobody can answer, that tells you something.
We roast our Street & Co. blend using 100% Arabica beans from Brazil, Nicaragua and Costa Rica, and we pack in smaller vacuum sealed bags with a one way valve so the coffee reaches you with its character intact. Freshness matters far more than most people realise. A bag that has been sitting in a warehouse for months will taste flat no matter how skilled your barista is.
Think too about whether your beans suit your customers. A café serving mostly flat whites needs a blend that cuts through milk. A shop with a strong espresso following needs something different again.
This is the single most overlooked piece of kit in a café. People will spend thousands on an espresso machine and then pair it with a grinder that produces an uneven grind, clumps the coffee and heats the beans on the way through.
An even grind means even extraction, and even extraction means a cup that tastes the way it should. It also means less waste, because your baristas are not binning shot after shot chasing a decent result. Brands like Anfim and Compak build grinders that hold their settings and treat the coffee gently. If yours is a few years old and has never had its burrs replaced, start there.
Coffee is around 98% water, so the quality of your supply has a direct effect on taste. Hard water dulls flavour and, worse, scales up your boiler over time. Soft water can leave a cup tasting hollow.
Fitting the right filter and changing it on schedule is one of the cheapest improvements you can make. It protects your machine as well as your coffee, which means fewer emergency callouts and lower repair bills over the life of the equipment.
Old coffee oils build up in group heads, baskets and steam wands, and they turn rancid. That bitterness ends up in the cup. A proper cleaning routine at the end of every shift takes ten minutes and makes an immediate difference.
Alongside daily cleaning, book an annual service. Our engineers carry out full safety checks and PSSR certification at the same visit, which keeps your insurer happy and spreads the cost sensibly. We fix most faults on the first visit, and if a machine has to come back to our workshop, we will lend you one so you are never closed for business.
Good equipment in untrained hands still produces poor coffee. Milk that has been scalded rather than textured will ruin a drink faster than almost anything else.
Our barista foundation course runs for three hours and covers grinder settings, tamping, extraction, milk steaming and menu knowledge. We can deliver it at our Greenhithe training room or in your own café using your own machine, which I usually recommend, because your staff learn on the kit they will actually be using. For teams wanting to go further, we offer advanced and latte art courses, plus the City and Guilds Level 2 Award in Barista Skills.
Customers return for coffee they can rely on. Get your beans, grind, water, machine and training working together, and that consistency follows naturally.
If you would like a hand reviewing any of this, call us on 01322 381380 or email orders@jsbeverage.com. We are always glad to talk about coffee.
