
> Pennylane at SommeSi.
The French accounting and financial management platform for SMEs and mid-caps.
_What Pennylane does
_What it is actually for
_The scope
_Five domains in a single tool
Accounting, invoicing, spend and cash in one place, where most SMEs run four separate tools.
- clients
- 1,500,000+
- accountancy firms
- 6,500+
_Why an integrator
_Since 2023, Pennylane has relied on integrators to roll out across SMEs and mid-sized companies
The vendor works through certified partners — so choose one that runs its own accounts on Pennylane.
- 2021SommeSi becomes a client — and one of the first integrators.
- 2023Pennylane stops selling directly to SMEs and mid-caps.
- 2026E-invoicing becomes mandatory: Pennylane is an Approved Platform.
- TodayOur invoices, our VAT and our payments go through it every day.
_Our rollout
_Premium integrator since 2021
Rolling out Pennylane is a trade in itself: the configuration follows your business, not a generic template. Our consultants have practised our clients’ trade. That is the difference between a tool installed and a tool used.
- Scoping your chart of accounts and your analytical axesW1 – W2
- Migrating the history from your current toolW2 – W5
- Connecting your banks and your business toolsW3 – W6
- Configuring the automatic allocation rulesW5 – W8
- Training your teams on their real casesW7 – W10
- Support over the first months, not only at the switchoverW9 – W12
_SaaS
_Regulatory changes cost you nothing
You no longer depend on an integrator for each update, nor on drawn-out rollouts and configuration.
50updates a day on average, applied automatically.
- Cost to you
- €0
- Action needed
- None
_E-invoicing
_Pennylane is a registered Approved Platform
Compliance sits in the tool you already use, not in a project alongside it.
_Our engagements
_Three recent rollouts
What we delivered, and what had to be built around the tool.
_The experts
_Our Pennylane consultants
More than 15 years in finance and operations, in scale-ups, SMEs and mid-caps.

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