Wellfish logo
Industry · Construction & Real Estate01 / 10

The client asks for your climate number in the tender.

Your project purchasing already holds the answer.

Climate declarations have been law in Sweden since 2022, Boverket's limit values are on the way — and clients are starting to set CO₂ budgets per project. The materials, transport and machinery are already in your books. Wellfish turns them into a defensible climate calculation.

Get the industry reportTry it free
70–80 %
of a building's climate impact sits in the materials
80–90 %
of a real estate company's footprint is Scope 3
249
Swedish companies with reviewed climate data in Wellfish
02How it works

From project purchasing to climate report — in three steps.

Concrete, steel, freight and machine rentals already flow through the accounting system. Wellfish turns the transactions into a climate calculation you can show the client.

01
Connect your bookkeeping
Wellfish reads transactions directly from the accounting system — Fortnox, Visma, Business Central and more. The project purchasing is already there; no manual data collection.
02
AI classifies — you approve
Every transaction is matched to emission factors and GHG categories: materials, transport, machinery, energy. You review and approve — which is why the number holds up to scrutiny.
03
The report is ready
A climate calculation per the GHG Protocol, ready to show the client, the bank or the auditor — and to follow up next year.
03The emissions

The emissions sit in the materials. Not in the site hut.

This is how climate impact breaks down in the construction phase according to Boverket's climate declarations — and for real estate companies, Scope 3 dominates almost entirely:

~70 %
Building materials
Cement, steel and timber (modules A1–A3). Material choice decides the whole project's number.
~15 %
Transport
Materials and masses to and from site — hidden in supplier invoices.
~10 %
Construction machinery
Excavators, cranes, diesel. Emissions have fallen just 2 % since 1990.
~5 %
Energy & operations
Site huts, electricity and heating — rarely the real problem.
80–90 %
Real estate: Scope 3
Renovation materials, tenant energy, waste. Leading firms have cut Scope 1+2 — Scope 3 is the next battle.

Breakdown per Boverket/Statistics Sweden and Fastighetsägarna's Scope 3 guideline. Boverket's proposed limit values: 180–460 kg CO₂e per m² GFA depending on building type.

04The systems

Connects to the systems you already use.

The accounting system is the data source — so everything starts with a connection. Most common in construction and real estate:

FortnoxVisma BusinessBusiness CentralHogiaMediusGoVisma.net
…and more. See all system integrations
05The pitfalls

Four traps construction and real estate companies walk into.

We see the same mistakes again and again. All four are avoidable.

Climate data calculated only at handover
Whoever calculates after the fact can't optimise during design — and meets the limit values with no margin. The CO₂ budget belongs in the tender phase.
The tender without a number
More and more clients weight climate data — sometimes as a hard requirement. Every tender without a number is a tender a competitor with one wins.
Machinery and transport get forgotten
The climate declaration covers materials — but diesel, machine rentals and freight hide in the invoice flow and never add up to a company number.
The real estate firm that stops at Scope 1+2
Green electricity and efficiency are done — but 80–90 % of the footprint sits in Scope 3. Without those numbers, the bank and investor dialogue stalls.
06The payoff

What you get.

A number for the tender phase
Show climate performance when the client asks — not three months after handover.
A company number beyond the declaration
The climate declaration covers the project. Wellfish gives the company's whole footprint — what banks and key clients ask for.
Scope 3 without a consulting project
Renovation materials, subcontractors and freight are classified automatically from the invoice flow.
Follow-up included
Compare year on year and category by category — without starting from zero.
07Worked example

What it looks like in practice.

A worked example built on the benchmarks — a contractor with 45 employees on Business Central:

Starting point
A municipal client weights CO₂ in the tender; the bid needs a number
CO₂ budget
Office project 5,000 m² GFA × 385 kg ≈ 1,925 tonnes — the ceiling to design against
Connection
Business Central connected; the AI classifies materials, freight and machine rentals
Review
The finance lead approves the categories — hours, not weeks
Result
The company's climate calculation per the GHG Protocol, ready for tenders and the bank
The surprise
Freight and machinery are a quarter of it — and don't show in the climate declaration

Worked example based on public benchmarks — not a single customer company.

“The automation through integrations with invoicing systems, combined with Wellfish AI, streamlines the work considerably.”
Alexandra Ridderbjelke, Corporate Development Manager · Viva Wine Group
The industry report08 / 10

What does a construction or real estate company actually emit?

Two 2026 industry comparisons — one for construction, one for real estate. Climate data, maturity levels and a self-test on a single page each. Free, in exchange for contact details. (The reports are in Swedish.)

What's inside the report

  • Construction: materials 70–80 %, Boverket's 375 kg CO₂e/m² limit value
  • Real estate: Scope 3 is 80–90 % — and where the emissions hide
  • The scope splits: machinery, electricity, materials, tenants
  • Three levels of climate maturity — and the self-test: which are you?
  • Your industry right now: tender requirements and manual Excel hours

Download the industry report

Fill in your details and the report unlocks immediately.

Free · No subscription · We may follow up about the report — nothing more

09FAQ

Questions we often get

Does this replace the climate declaration to Boverket?
No — the climate declaration is a building-specific LCA per project. Wellfish gives the company's climate calculation per the GHG Protocol: the whole business, all projects, year by year. That's the number clients, banks and key customers ask for — and it complements the declaration.
We have hundreds of supplier invoices a month — does it cope?
Yes — that's exactly the situation the tool is built for. The AI classifies every transaction automatically, and you review and approve. The more invoices, the bigger the win over manual methods.
How long does it take to get started?
Connecting the accounting system takes a few minutes. A finished, reviewed climate calculation is typically ready within about five days of connecting.
What does it cost?
Fixed price per engagement — from SEK 25,000 per year, depending on volume and number of systems. The demo account is free and the preview calculation of your first 500 records is included. Current pricing is on wellfish.se/en/pricing.
Which systems do you support?
A dozen-plus Swedish accounting systems — including Fortnox, Visma, Business Central, Hogia and MediusGo. If yours is missing, records can be uploaded manually.
Do you handle Scope 3 for real estate companies?
Yes — renovation materials, subcontractors, freight and purchasing are classified from the invoice flow. Tenant energy requires complementary activity data, and there is support for adding such records.
10Next step

Your next tender — with a number.

Connect the books, review the classification, show the client. Start with a free demo account or book a 20-minute walkthrough.

  • Demo account without a card — first 500 records free
  • Fetches your bookkeeping automatically
  • Climate report per the GHG Protocol
Try it freeBook a walkthrough