Write the offer. Get it confirmed. Invoice.

Schwupps Büro is the office for everyone who lives from their own work: the offer, the confirmation of the client, the invoice, the payment and the month close on one board. For one person on their own, for an office or for a firm with a team.

What holds at Schwupps Büro

  • People decide.Issue, match, close: with the stamp.
  • No model types a number.Code computes totals and tax, to the cent.
  • Data stays in Germany.Our own environment, no fallback model.
  • An issued invoice never changes.To correct it, you cancel and issue anew.
Show it for

Aydın ElektroMaster electrician with a team, sample data

5

JobOfferConfirmedInvoicePaid
Renew the sub-distribution boardPraxis am Fleet, €1,948.03donewaitingnot yetnot yet
Wall box 11 kWWendt family, deposit 40%donedonewaitingnot yet
Repair the emergency lightingPraxis am Fleet, €1,284.01donedonedoneSuggestion
Light tracks in the dining roomCafé Liv, 17 days overduedonedonedoneoverdue
Stairwell lighting to LEDHausverwaltung Petersen, draftwaitingnot yetnot yetnot yet
  • done and proven
  • waiting for a person
  • suggested by Wupp
  • overdue
  • not yet

Status as of 7 October 2026 The first version runs in the browser on sample data, and every screen can be touched. Nothing is sent, nothing is kept on a server, and nothing is released. Those on the start list hear the date of the pilot first.

Five moves, the same everywhere

No dashboard, no tiles. A board you can read, and five moves by which you recognise Schwupps Büro. Everything below can be touched.

One light per step

Every job is a board: offer, confirmation, invoice, payment, each step with a light and a word. Code computes the lights from the documents.

Tap a light: it tells you why it shows that state.

Renew the sub-distribution boardPraxis am Fleet, sample data

4

OfferAN-2026-0031. Sent 1 Oct, opened three times€1,948.03
Confirmationvalid until 31 Oct Waiting for 4 daysopen
Invoicefrom the confirmed items. Not yetDeposit possible
PaymentThe practice pays after 9 days on average. Unknownopen

Confirming means stamping

Your client gets a link, reads the offer and confirms with a stamp that is held down. No account, no app. That makes the order.

Hold the blue button, as your client would.

Waiting for youOffer from Aydın Elektro, valid until 31 Oct
€1,948.03gross, €1,637.00 net, VAT 19%
5 items, version 1Sub-distribution board, 8 RCBOs, fitting 9.5 hours, test with report, small materialread
Optional item: surge protectionnot chosen. With it the total would be €2,172.94 grossOption

Hold with mouse or finger; with the keyboard, press Enter and confirm.

Code does the sums

Items come from your price list; code computes totals and tax to the cent. Wupp suggests, you take over what fits.

Aydın Elektroto Praxis am Fleet, 1 Oct 2026

Offer AN-2026-0031

ServiceTotal
Sub-distribution board, 3 rows1 piece at €486.00€486.00
RCBO 16 A8 pieces at €42.50€340.00
Fitting and wiring9.5 hours at €68.00€646.00
Test with report, small materialflat rate, two lines€165.00
Net€1,637.00
VAT 19%€311.03
Gross€1,948.03

Suggestion from Wupp

From your note “Practice with X-ray, old installation”: Surge protection type 2, €189.00 from your price list, as an optional item.

Wupp gets in touch

Wupp gets in touch when an offer goes unanswered, a payment fits or an invoice is due. It never types a number.

  1. Opened, not confirmedstays on it since 1 Oct

    The offer to the practice was opened 3 times and is not confirmed. It is valid until 31 Oct.

    1. sent 1 Oct
    2. opened 2 Oct
    3. opened 5 Oct
    4. waiting, day 4
  2. A payment fitsIncoming payment

    €1,284.01 fits R-2026-0147: amount, reference and payer agree. Only you can match it.

Both messages come from rules and cost nothing. The language model is only called when you ask a free question.

The month closes

At the end of the month a short list remains. The round takes you through it, one key per answer. Then you close the month with the stamp.

September 2026Aydın Elektro, before the close, sample data

6

ItemCountAmount
doneInvoices issuedR-2026-0134 to 014714€23,418.60
waitingPayments without a matchAccount, three suggestions are ready3€4,212.05
waitingReceipts without a categoryphotographed and read2€318.40
missingExpense without a receiptCard payment of 14 Sep1€84.20
Open before the close6€4,614.65

The month closes only when the open items are proven. An expense without a receipt is called “receipt missing”, never done.

1 hold: match2 3 another invoice, skipZ undo

Join the start list

Every screen you can touch

The first version with sample data, for the office and for the phone. Pick a screen; it opens in the product itself. Everything runs in your browser. Nothing is sent.

Open the demo

Office

  • StartWhat rings today, in the order of the money. Below it the path from the offer to the money, with totals per step.
  • JobsThe pegboard from the offer to the payment. One card per job; pulling a card opens the document that makes the step true.
  • Write an offerThe sheet in the middle, items from the price list, optional items, totals from the code. The margin shows only in the inspector.
  • InvoiceFrom confirmed items or recorded hours. It is issued with the stamp; after that the sheet is locked.
  • PaymentsThe account as a board. A suggestion says why it fits; matching is done by holding.
  • ReceiptsThe picture beside the fields that were read, each field with its band.
  • Month closeThe list of the month turns green, then a person closes it with the stamp.
  • The roundThe open items of the month, one after the other, with one key per answer.

Together

  • WuppGets in touch on its own, stays on offers and invoices and prepares. On the right is what it did today.
  • ConversationsOne conversation per offer, invoice or customer. Guests read only their own.
  • Company folderYour own papers with their expiry. A selection can be shared with a deadline.

Phone

  • Confirm the offerWhat the client sees. Choose an optional item, hold the stamp.
  • TodayWhat rings, and the big button for a receipt.
  • Offer on siteSpeak, take over the suggested items, have it confirmed.
  • Photograph a receiptConfirm the fields that were read, link it to a job.
  • WuppThe lock screen without names and amounts, every message answered with one tap.
  • Public profileWhat visitors see, with the proofs you want to show, and the request.

Setup

  • Set-upOn your own or in a team, and the template with your words and a first price list.
  • Letterhead and textsThe head of your documents, number sequences, the VAT setting.
  • Check aid and WuppWho does what, which model computes where, and what the month cost.

One office, many professions

Schwupps Büro knows customers, services, offers and invoices. What you call them is up to you: the template brings the words, a first price list and fitting texts. Six of them exist at the start; you write the seventh yourself.

On your own

You are the office and the work at once. No team, no roles: offer, invoice and receipts in one hand, as complete on the phone as at the desk.

In a team

Who may issue, match or see margins is written in one table. Cover and hand-over are settled before someone is away.

The other side

Clients confirm, read and ask without an account. Your tax adviser is a guest and receives the package every month: list, receipts, export.

The whole path from offer to money

From the first request to the closed month, without a second program for invoices. Schwupps Büro also says what it does not do: planning and proving work on site is Schwupps Feld, comparing offers is Schwupps Wahl.

  1. Request and profile

    Your profile shows what you do and the proofs you want to show, with their validity. A request arrives as a card, not in a mailbox.

  2. Offer

    Items from the price list, optional items, text blocks. Only you see the margin. It is sent after a preview and a click.

  3. Confirmation

    The client stamps on a page without an account. If the offer changes afterwards, a new version is created; the confirmed one stays readable.

  4. Invoice

    From confirmed items or recorded hours, as an instalment or the final invoice, as a PDF and an e-invoice from the same sheet. It is issued with the stamp.

  5. Payments and reminders

    The account as a board: matched, suggested, unknown. Wupp prepares reminders; you see the preview and send.

  6. Receipts and month close

    Photograph receipts, confirm the fields that were read, close the month. Your tax adviser gets the package; Schwupps Büro does not advise, it prepares.

Rules that never bend

Every rule stands as a plate under the sign. They apply in Schwupps Büro, Schwupps Wahl and Schwupps Feld alike.

  • People decideOffers, invoices, matches and closings are stamped by people, with name and time. Code computes, the check model estimates, Wupp prepares.always applies
  • No model types a numberAmounts, quantities, dates and names in a draft are fields from the record. A draft with a number that has no source is discarded before anyone sees it.always applies
  • Nothing goes out on its ownEvery message to people outside, every report and every link shows a preview and needs a click.always applies
  • An issued invoice never changesNumbers come from a sequence without gaps. A correction is a cancellation invoice and a new invoice; both stay readable.always applies
  • Unknown is never zeroAn expense without a receipt is called "receipt missing", a payment without a match is called "unknown". Neither ever appears as done.always applies
  • Data stays in GermanyRecords and the check model run in our own environment, the language model at STACKIT in Germany, without storage. No fallback model outside Germany. Full export at any time.always applies

Prices

Net prices per month, cancel monthly, 30 days free without payment details. Whoever only confirms, reads or reads along as a tax adviser never pays. The check aid with rules and the check model is part of every plan.

Free

€0per month

One person, a few documents.

  • 5 documents a month
  • Offer, confirmation, invoice
  • Clients without an account

Solo

€19per month

One person, no limit.

  • Price list, hours, instalments
  • E-invoice and reminders
  • Receipts and month close

Team

€49per month

An office of up to five people.

  • Roles, cover, hand-over
  • Bank connection, tax adviser as a guest
  • Wupp with its own monthly limit

Business

€149per month

Several locations or clients.

  • Several workspaces
  • API and company sign-in
  • Four eyes when issuing

A draft for the pilot phase, modelled on Schwupps Feld; the final prices appear before the start. Wupp is billed by use, with a limit you set yourself.

  • In the browserAny current browser, installable as an appdesigned
  • iPhone and AndroidDedicated apps for the roadat launch
  • Windows and macOSA window of its own for the officeat launch

Three products, one workshop

The same board, the same lights, the same stamp. Know one and you know all three. Each has its own stamp colour.

Schwupps Büroburo.schwupps.app

Write offers, get them confirmed, invoice. This page.

Schwupps Wahlwahl.schwupps.app

Request offers, compare, decide.

Schwupps Feldfeld.schwupps.app

Plan the work, price it, prove it.

Questions

Is Schwupps Büro bookkeeping software or a tax program?

Neither, and on purpose. Schwupps Büro writes offers and invoices, matches payments and receipts and closes the month. Then it hands everything over in order to your tax adviser, as an export and as a package. What applies for tax is the decision of the adviser. Schwupps Büro gives no tax and no legal advice.

What exactly does Wupp do, and what does it never do?

Wupp gets in touch when something needs you, stays on open offers and invoices and answers questions with sources from your documents. It suggests items and matches and prepares reminders. Wupp issues nothing, matches no payment, sends nothing without your preview and types no number: numbers in drafts are fields from your documents.

Which models run, and where?

Two models, each for one task. The check model Decision 2.0 answers narrowly put questions with yes, no or a choice and writes no text; it runs in our own environment. The language model Qwen understands questions and prepares drafts; it runs at STACKIT in Germany, without storage. Most messages come from rules and need no model at all. Every receipt names the rung, the model and where it ran.

Does Schwupps Büro do e-invoices?

Yes. The same sheet produces the PDF for people and the e-invoice for programs. An incoming e-invoice is read as a receipt, with every field and its source.

I work on my own. Is this too big for me?

No. On your own means in Schwupps Büro: no roles, no hand-over, the same screens. You write an offer in two minutes, also on the phone, and bill per piece, hour, day or as a flat fee. The small-business VAT setting is one switch, and the document shows at once what it changes.

Is a confirmation by link binding?

It is a declaration in text form with name, one-time code and time, stored with the confirmed version. It is not a qualified electronic signature. Schwupps Büro gives no legal advice.

What happens on cancellation?

Read access and a full export stay open for 90 days. Nothing is deleted before then.

What does Wupp cost when the office grows?

Rules and the check model are part of every plan. Only the language model is counted by use, against a quota that you limit yourself, per workspace and per person. When it is used up, messages and checks keep running; free questions and drafts wait, and Wupp says so.

Join the start list

For the self-employed, offices and firms who want to try Schwupps Büro with their own offers.

Start list

  • Free during the pilot, without payment details
  • Your own price list, letterhead and number sequences
  • Full export at any time. Nothing is deleted.
  • The date of the pilot is not fixed yet; places in the order of the requests

This form sends nothing. It prepares a text for you to copy.

Test build

  • AndroidDebug build, for test devices: when installing, Android asks you to allow the source; the app runs on sample dataDownload Android test build
    Version
    0.1.0
    Size
    5.4 MB
    SHA-256
    a318e0cc (full checksum)
  • iOScomes on 8 October through TestFlightplanned