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Solar panels, a V-TAC hybrid inverter and a V-TAC stacked battery on a sunny terrace.
V-TAC by Inservice Ltd

Solar equipment. Your business, simplified.

Buy V-TAC equipment, prepare branded quotes and manage orders in one place.

Prices reserved for verified professionals.

For installation companies of 1–10 people in ES · FR · DE · IT · SI

  • Authorized V-TAC distributorTrade pricing for verified professionals.
  • Dispatch from EU warehousesFrom V-TAC's EU warehouses, 3–7 business days to ES, FR, DE, IT and SI.
  • Support in your languageAn assistant for trade accounts, and a person when you need one: email replies within an hour.

Everything for your next installation.

View full catalogue
  • Solar panels

    Panels for residential roofs, sold by the pallet.

    Illustration of two black solar panelsPrices for verified accounts
  • Hybrid inverters

    Single and three phase hybrid inverters for residential systems.

    A white V-TAC hybrid inverterPrices for verified accounts
  • Battery storage

    Lithium batteries for home storage, from wall-mounted to stacked units.

    A white V-TAC stacked batteryPrices for verified accounts

Your customer. Your brand.

Create branded quotations. Keep purchasing prices private.

Create clean, professional quotations for your customers in minutes, with V-TAC products.

  • You set your markup and see your margin beside it before you send.
  • Your client gets a PDF with your logo, your prices and VAT. Your cost and markup stay off it.
  • Your client opens the link on their phone and accepts the quote there.
View quotation example
Sample
Your logoCustomer quotation
Prepared for
Example customer
Project
Example project
ItemQtyUnitTotal
Solar panelResidential roof module12€145.18€1,742.16
Hybrid inverterSingle phase1€1,270.02€1,270.02
Battery moduleLithium storage2€1,061.40€2,122.80
Mounting kitRoof fixings1€367.22€367.22
Installation1€735.50€735.50
Subtotal€6,237.70
VAT 21%€1,309.92
Total€7,547.62
  1. Choose equipmentBrowse the V-TAC range
  2. Create a quoteAdd your branding and send it to your customer
  3. Manage your orderTrack it from confirmation to delivery

See the platform, stage by stage.

What your trade account does at each step of a job, and what it saves you.

See your price and the stock before you promise a date.

Approved accounts see their trade price and the stock V-TAC reports, with the date of that data, and the next restock date when one is known.

  • No more phoning for stock. Availability sits on the product, dated.
  • Order in seconds. Quick order by SKU and quantity.
  • Your prices in your tools. Download your price list as CSV or PDF.
CatalogueSample
Hybrid inverter, single phaseIn stock
Hybrid inverter, three phaseRestock date shown
Wall battery moduleIn stock

Each figure carries the date of V-TAC's stock file.

Your logo, your price, your client's quote.

Turn a basket into a quote in minutes. Set your markup with one slider, add your own lines such as installation, and see what your client pays.

  • Look like a bigger company. Your logo and details on every quote.
  • Keep your purchase price private. Your client never sees your cost.
  • Send it your way. As a PDF, or as a link your client opens on their phone.
QuoteSample
Markup 22% · margin 18%
Your cost
€4,510.00
Client pays (materials)
€5,502.20
Your profit, before freight
€992.20

Your client never sees your cost.

Your client reads it on their phone and accepts.

The quote link opens a clean page with your logo. When your client accepts, you can turn the quote into an order at today's prices.

  • Know where every quote stands. Sent, opened and accepted.
  • Be told when it moves. You get an email when your client opens or accepts.
  • No retyping. Convert an accepted quote into an order.
Client's pageSample
Total incl. VAT€7,547.62
  1. Sent
  2. Opened
  3. Accepted
  4. Order at today's prices

Freight calculated before you pay.

The cart works out the freight for your order, so you know the total before you pay. Pay by card, PayPal, SEPA, Apple Pay or Google Pay; validated EU businesses outside Bulgaria are invoiced under reverse charge.

  • Quote your client the real total. Freight is shown before you pay.
  • No VAT cash-flow drag. Reverse charge for validated EU businesses outside Bulgaria.
  • Deliveries that arrive right. Note the site: tail-lift, forklift, call before delivery.
Delivery and paymentSample
  • Tail-lift truck
  • Forklift on site
  • Call before delivery
  • Card
  • SEPA
Goods
€4,510.00
Freight
Calculated in your cart
VAT, reverse charge
0%

Know where every order stands.

Follow each order in your portal from payment to delivery, and get an email when it is confirmed, dispatched and delivered.

  • Answer your client straight away. The status of every order, in one place.
  • Plan the install day. The tracking number is emailed at dispatch when the carrier gives one.
  • Nothing to chase. Confirmed, dispatched and delivered, each by email.
OrderSample
  1. Paid
  2. Confirmed
  3. Picked at the warehouse
  4. In transit
  5. Delivered

Paperwork that files itself.

A pro-forma invoice when you pay, your VAT invoice on delivery and credit notes when they are owed, all in your portal. Damage and return claims start from the same place.

  • Ready for your accountant. Invoices carry the reverse-charge note.
  • Claims in one place. Report damage or a return from your portal.
  • Documents to hand. Datasheets on every product page.
DocumentsSample
  • VAT invoiceIssued on delivery · PDF
  • Pro-forma invoiceIssued when you pay · PDF
  • DatasheetsOn every product page
  • Report damage or return an itemAcknowledged within 1 business day

Reverse charge · Art. 138 Directive 2006/112/EC

The more you install, the less you pay.

Your tier follows your last 12 months of orders and its discount applies to every order. Your first order over €1,500 gets 5% off.

  • Discounts without negotiating. Applied at checkout, on every order.
  • See what's next. Your progress to the next tier is on your dashboard.
  • Free shipping on goods from €3,000. For Pro, Master and Partner only.
Trade tiersSample
  • 0%Trade
  • −5%Pro
    from €50,000
  • −10%Master
    from €150,000
  • −15%Partner
    from €400,000

Rolling 12 months, ex-VAT and freight

Know where your order stands.

Follow each order in your portal and get an email when it is confirmed, dispatched and delivered.

See tracking in the walkthrough
Illustration: cardboard shipping cartons on a light table

A person when you need one.

Approved trade accounts get an assistant that answers from your orders and product documents. When you need a person, we reply by email within an hour.

Email support
Illustration: a black customer support headset on a desk

Frequently asked questions.

Answers to what installers ask before they open an account.

Still have a question?

Write to us in your language. A person replies within an hour.

Email support
Who can open a trade account?

Businesses with a valid EU VAT number that install or sell solar equipment. Accounts are approved once EU VIES confirms your VAT number. If it doesn’t, we check it by hand.

When can I see purchasing prices?

As soon as your account is approved. Until then you can browse every product, specification and datasheet.

How do customer quotations work?

Add products to a quote, set your markup and add your own lines such as installation. Your client gets a link with your logo and accepts online. Your purchase price is never shown to them.

Why not buy directly from V-TAC?

You can: it is the same product and the same warranty. With us you also get one trade account for quotes, orders, invoices and claims, freight calculated in your cart (or quoted for unusual loads), reverse-charge invoicing and tier discounts that grow with your volume.

How long does delivery take?

3–7 business days from V-TAC's EU warehouses to ES, FR, DE, IT and SI. Freight is calculated in your cart before you pay; unusual loads are quoted by email.

How do I pay, and what about VAT?

By card, PayPal, SEPA, Apple Pay or Google Pay at checkout, before shipment. Validated EU businesses outside Bulgaria are invoiced at 0% VAT under reverse charge.

Do you offer volume discounts?

Yes. Your tier follows your last 12 months of orders and its discount applies to every order: Trade 0%, Pro 5%, Master 10%, Partner 15%. Free shipping on goods from €3,000 is for Pro, Master and Partner only.

Ready for your next installation?

Open a trade account with your EU VAT number. Accounts are approved once EU VIES confirms your VAT number. If it doesn’t, we check it by hand.

Open a trade account