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Q: Do I have to sign a 12-month contract?

No. There is a minimum of one month (which covers the setup). After that, it is month to month. You can leave with 30 days' notice.

Q: Can I use it on my existing hardware?

In most cases yes. We check your hardware during the demo call before you commit to anything.

Q: What happens to my data if I cancel?

Your data belongs to you. We export it in a standard format before your account closes.

Q: Do you only work in London?

We are based in London and that is where most of our clients are, but the software runs online so location is not a barrier.

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M&M Sys — Business Software for London Restaurants, Salons & Shops

M&MSys

Restaurants
Salons
Gyms
Hotels
Shops
Pricing

Book a Demo

London · Software for independent businesses

Software that knows your trade.
Not everyone else’s.

One program, built for your sector. Restaurants, salons, gyms, hotels and shops in London run on software that actually matches how they work — not on a generic system retrofitted to their business.

Book a free 15-min demo See pricing →

From £29/month. No lock-in after month one.

Six sectors, six programs

Pick your trade.
We built for it specifically.

🍽️

RestaurantOS

Orders, tables, kitchen display and staff rotas in one screen. Built for independent London restaurants, not for chains with an IT department.

See RestaurantOS

👗

FashionOS

Stock that tracks sizes, colours and seasons without a spreadsheet. Returns, suppliers and daily sales for London boutiques.

See FashionOS

✂️

SalonOS

Bookings, reminders and staff diaries without paying a cut of every appointment. Fixed price, no commission model.

See SalonOS

🏋️

GymOS

Members, attendance and class lists for small gyms, studios and personal trainers. No enterprise pricing, no year-long lock-in.

See GymOS

🏨

HotelOS

Rooms, bookings and housekeeping for small London hotels, B&Bs and guest houses. Stop double bookings without paying enterprise rates.

See HotelOS

🏪

RetailOS

Till, stock and daily takings for corner shops and independents. Barcode ready. Works on the hardware you already have.

See RetailOS

Transparent pricing

Three plans.
No hidden fees.

Esencial

£29/month

Setup from £150 · 1 month minimum

1 business location
Up to 2 users
Hosting included
Software updates included
Email support (reply within 48h)

Get started

Most chosen

Negocio

£49/month

Setup from £200 · 1 month minimum

1 business location
Up to 6 users
Hosting included
Daily data backup
Priority support (reply within 24h)
Minor adjustments included

Get started

Multi-Branch

£89/month

Setup from £300 · 1 month minimum

Multiple locations, one dashboard
Command Center included
Daily data backup
Phone support
2h of changes/month included

Get started

After month one, cancel with 30 days’ notice. No 12-month lock-in.

How it works

From first call to live system
in days, not months.

01

15-minute demo

We share a screen and show you the program running with real data from your sector. No slides, no sales script.

02

We set it up for you

You don’t configure anything. We build your system, add your menu, products or services, and test it before you touch it.

03

You go live

Your team gets a short walkthrough. You start using it. We stay reachable — not a ticket system, a real person.

04

Month two onwards

Month-to-month. If it’s working for you, you keep it. If not, you leave with 30 days’ notice and your data.

See your sector’s software running live.

15 minutes, screen shared, your real questions. No commitment required.

Book a free demo

Why M&M Sys

What makes it different
from the big platforms.

Built for one trade, not for all of them

Generic software makes you adapt your business to the program. Each M&M Sys product is built around how that specific sector actually works — its vocabulary, its workflow, its daily problems.

No commission on your revenue

Flat monthly fee. We don’t take a cut of your bookings, your sales or your transactions. What you earn is yours.

You talk to the person who built it

No call centre, no support ticket that takes three days. When something needs fixing, you reach the team directly.

Price that fits an independent business

From £29/month. Set up from £150. Designed for businesses that run on tight margins, not for enterprise clients with IT budgets.

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Questions

The things people ask
before they book a demo.

Do I have to sign a 12-month contract?

No. There is a minimum of one month, which covers the setup cost. After that it is month to month — cancel with 30 days’ notice, no questions asked.

What is included in the setup fee?

We configure the software for your business: your menu, products or services, your users and your settings. You do not configure anything yourself.

Can I use it on my existing hardware?

In most cases yes. We check your current hardware during the demo call before you commit to anything, so there are no surprises after you pay.

What happens to my data if I cancel?

Your data belongs to you. Before your account closes we export everything in a standard format so you can take it wherever you go.

Do you only work in London?

We are based in London and most of our clients are here, but the software runs online so geography is not a barrier if you are elsewhere in the UK.

How long does setup take?

Typically a few days from payment to going live, depending on how much information you provide (menus, product lists, team details).

M&MSys

Business software for independent trades in London. Built and supported by the same team.

Products

RestaurantOS
FashionOS
SalonOS
GymOS
HotelOS
RetailOS

Company

Pricing
Multi-Branch
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