Sliqtools

What is SliQ Invoicing

SliQ Invoicing is a desktop invoicing application for small businesses that provides tools to create and track professional invoices, quotes, purchase orders, delivery notes, credit notes and customer statements. The product is aimed primarily at UK small businesses, sole traders and contractors who want a straightforward, local application rather than a cloud-native service. It includes bookkeeping-oriented features such as sales and purchase tracking, simple stock control, and VAT reporting.

Built as a Windows-focused package with an optional client/server mode for shared company files, SliQ Invoicing emphasizes configurable invoice templates and practical workflow features such as automatic numbering, payment tracking and reminders. For UK businesses it includes support for Making Tax Digital for VAT (MTD) so VAT returns can be prepared and submitted using HMRC APIs.

Because SliQ is developed by a small specialist vendor, the application tends to focus on the features most commonly needed by micro and small businesses: quick invoice generation, basic stock and product lists, supplier bill tracking, and reporting for sales and VAT. The product is positioned as an alternative to both simple spreadsheets and more complex accounting suites when a lightweight, local invoicing tool is preferred.

SliQ Invoicing features

What does SliQ Invoicing do?

SliQ Invoicing provides the operational features needed to run the invoicing and immediate billing workflows of a small business. You can set up business and customer details, create multiple invoice templates, insert line items from a product database, apply VAT treatment per line, and email or print the final invoice. The software also supports quotes and estimates that can be converted into invoices when accepted.

Beyond invoice creation, SliQ facilitates payment tracking: record customer payments, match payments to invoices, generate customer statements and set up reminders for overdue accounts. On the purchase side, you can enter supplier bills, supplier credit notes and record payments to suppliers to keep an accurate view of outgoings.

For UK-specific taxation, SliQ includes VAT calculation for sales and purchases, support for Domestic Reverse Charge and Postponed VAT Accounting, and the ability to submit VAT returns using HMRC's VAT MTD API. This makes it suitable for businesses required to comply with VAT MTD rules while still using a locally installed application.

Key functional areas and features

• Invoice and quote creation with configurable templates, logo support and HTML email templates for sending invoices
• Automatic invoice and quote numbering and printable PDF export
• Payment tracking, receipts and customer statements with reminder workflows
• Supplier bills and expense recording, supplier credit note support, and spend categorization for simple expense reporting
• Stock control and product database with low-stock alerts and reorder assistance
• Client/server mode for shared company files and multi-user access on a local network
• VAT tools: calculation on sales/purchases, Domestic Reverse Charge, Northern Ireland protocol support, and MTD VAT submission

SliQ Invoicing pricing

SliQ Invoicing offers flexible pricing tailored to different business needs, from single-user desktop licenses through to shared client/server company licenses and optional annual maintenance or support subscriptions. Typical options for invoicing software in this category include a free trial, a one-time desktop license, multi-user or server licences for shared access, and an optional annual subscription that covers updates and VAT MTD support.

As an indicative guide, entry-level desktop licences for small-business invoicing tools commonly fall in a modest one-time fee range, while multi-user or server licences and annual maintenance are priced higher. For businesses that prefer subscription billing, comparable hosted or subscription alternatives often start at around $6/month to $15/month per user with discounts for annual billing; one-time desktop licences are frequently priced as a single payment in the low tens to low hundreds of pounds/dollars depending on included modules and number of users.

Because SliQ offers a desktop-based licensing model alongside shared access modes, you should review their current license structure for exact figures and any promotion or bundle that applies to VAT MTD functionality. Check their SliQ Invoicing pricing and purchase options for the most current details on one-off licences, multi-user licences and maintenance packages. Visit their official pricing page for the most current information.

How much is SliQ Invoicing per month

SliQ Invoicing offers competitive pricing plans designed for different team sizes and deployment models; monthly subscription equivalents are available where hosting or maintenance subscriptions are chosen. Monthly-per-user subscription equivalents for invoicing tools of this scope commonly start in the low double-digit dollars or single-digit dollars per user for stripped-down hosted options, with small-business server/desktop licences being presented as one-time fees instead of monthly charges. For accurate monthly subscription rates, check SliQ’s official pricing and license comparison.

How much is SliQ Invoicing per year

SliQ Invoicing pricing can include annual maintenance or support that covers updates and VAT MTD-related changes. Where vendors provide annual maintenance it is commonly charged as an annual fee—typically a percentage of the one-time licence fee—or incorporated into a subscription payment. If you plan to rely on ongoing MTD updates and support, factor in either an annual maintenance charge or a subscription-style plan. See the vendor’s pricing and maintenance information for current annual options.

How much is SliQ Invoicing in general

SliQ Invoicing pricing ranges from one-off desktop licence models to multi-user/server licences and optional annual maintenance or subscription fees. For many small businesses, a one-off licence for a single user will be the lowest upfront cost; organisations needing shared access should budget for a multi-user licence or server mode and potentially an annual maintenance fee. For exact costs that match your intended deployment (single-user desktop, shared server, or subscription-based maintenance), consult the vendor’s pricing and purchasing guide.

What is SliQ Invoicing used for

SliQ Invoicing is used to manage the billing lifecycle of a small business: creating estimates and quotes, issuing invoices, tracking payments, and recording supplier bills and expenses. It is practical for tradespeople, consultants, small retailers and service providers who need a local invoicing tool that can produce professional-looking invoices and keep a record of who owes money.

Common use cases

• Trades and contractors who issue quotes and want a fast path to convert accepted quotes into invoices
• Small service businesses that need to track receivables, send payment reminders and produce customer statements
• Small retailers or makers who want light stock control to avoid selling out-of-stock items
• UK VAT-registered businesses that need Domestic Reverse Charge support and VAT MTD submission capability

SliQ is particularly suitable where users prefer desktop software and local control of data over cloud-hosted solutions. Because it supports client/server mode, small teams working on a shared local network can also use it without moving to a full cloud accounting suite.

Pros and cons of SliQ Invoicing

SliQ Invoicing is designed to be compact and practical; the trade-offs reflect that positioning.

Pros

• Easy to learn and focused workflow for rapid invoice and quote creation
• Configurable invoice templates and HTML email templates for professional presentation
• VAT MTD integration for UK VAT submission, including Domestic Reverse Charge and Postponed VAT support
• Local data control with optional client/server mode for shared access on a local network
• Includes basic stock control and purchase/bill tracking so the product covers both sales and purchases

Cons

• Desktop-first approach means it lacks the always-online accessibility and third-party integrations of many cloud services
• Multi-site remote collaboration requires VPN, file-sharing or a hosted server arrangement rather than native cloud multi-user access
• Reporting and advanced accounting features are intentionally lightweight compared with full accounting packages (no double-entry general ledger workflows for most users)
• Vendor-specific support and update cadence may differ from larger cloud vendors; check maintenance options if you require frequent updates for regulatory changes

When to choose SliQ Invoicing: if you value local data storage, need UK VAT MTD support built into a compact invoicing tool, and want clear invoice templates and payment tracking without a full accounting suite. When to look elsewhere: if you need built-in cloud collaboration, extensive app ecosystem integrations, or full accounting/general ledger capabilities.

SliQ Invoicing free trial

SliQ Invoicing is distributed with a free trial version so prospective users can install the software and evaluate workflows before purchasing a licence. The trial enables you to create invoices, experiment with templates, test VAT settings and verify MTD submission flows (where permitted) so you can confirm the software meets your operational and compliance needs.

A practical evaluation checklist for the trial period

• Create and send test invoices by email and PDF, verifying template layout and branding
• Enter supplier bills and record payments to test expense tracking and reporting
• Try the product database and stock control wizard to check how low-stock notifications and ordering advice appear
• If you are VAT-registered, test VAT calculations, Domestic Reverse Charge entries and the MTD VAT preparation screens

If you decide to deploy SliQ in production, review licence options for single-user and multi-user configurations and consider purchasing maintenance if you want ongoing updates and priority support. For steps on downloading and trial limits, visit the SliQ Invoicing download and trial page.

Is SliQ Invoicing free

SliQ Invoicing provides a free trial for evaluation purposes. The trial allows you to test invoicing, quotes and basic reporting before choosing a paid licence. Permanent free usage is not the standard model for the full feature set; ongoing use typically requires purchasing a licence or subscribing to a maintenance plan. See the vendor’s trial and download information.

SliQ Invoicing API

SliQ Invoicing is primarily a desktop application and historically places emphasis on local data files rather than a public REST API like cloud-native platforms. However, many desktop invoicing packages provide options for data import/export, command-line automation or file-based integrations that allow other systems to exchange CSV, XML or database files.

If you need programmatic integration with third-party systems (CRM, e-commerce or custom reporting), check whether SliQ supports:

• Import and export of customer, product and invoice data via CSV or XML
• Exportable reports that can be consumed by reporting tools
• Command-line parameters or scheduled export tasks for automation

For authoritative details on any supported API endpoints, integration interfaces or developer options, check the vendor’s technical or developer documentation and support pages: consult the SliQ Invoicing documentation and support resources.

10 SliQ Invoicing alternatives

Paid alternatives to SliQ Invoicing

• QuickBooks Online — Cloud accounting and invoicing with full double-entry accounting, bank feeds and a large app ecosystem; suitable for businesses that need bookkeeping beyond invoicing. Check QuickBooks Online's pricing and plans.
• Xero — Cloud-based accounting with invoicing, bank reconciliation and multi-user access; strong for businesses wanting an integrated cloud solution and accountant collaboration. See Xero's pricing options.
• Sage Business Cloud Accounting — Invoicing and accounting with strong UK compliance features and accountant-facing tools; commonly used by small-to-medium businesses. Review Sage's small business pricing.
• FreshBooks — User-friendly invoicing and time-tracking focused on freelancers and service providers with integrated payments and recurring invoices. See FreshBooks' plans and pricing.
• Zoho Invoice / Zoho Books — Modular offering where Zoho Invoice covers invoicing and Zoho Books adds accounting features; cost-effective for growing teams with a broad app suite. Check Zoho's pricing pages.
• FreeAgent — UK-focused accounting and invoicing software designed for freelancers and small businesses, with UK tax workflows and integration with UK banks. See FreeAgent's pricing and features.
• KashFlow — UK accounting and invoicing with payroll and VAT features tailored to UK businesses; used by small businesses that prefer UK-focused vendors. Explore KashFlow's pricing details.

Open source alternatives to SliQ Invoicing

• Invoice Ninja — Open source invoicing and billing platform that can be self-hosted or used via a hosted plan; supports invoices, quotes, payments and client portals. See Invoice Ninja's self-hosted options.
• ERPNext — Full open source ERP with accounting, invoicing, inventory and CRM; better suited if you need a broader set of business processes under one system. Review ERPNext's self-hosting and pricing.
• Odoo (Community edition) — Open source modular business platform; the Community edition allows invoicing and stock management but requires configuration and hosting. See Odoo's community edition details.
• Dolibarr — Open source ERP/CRM with invoicing and stock features suitable for small businesses that can self-host and configure. More information is available on the Dolibarr project pages.

Frequently asked questions about SliQ Invoicing

What is SliQ Invoicing used for?

SliQ Invoicing is used for creating and tracking invoices, quotes, purchase orders and supplier bills. It helps small businesses and sole traders produce professional invoices, track who owes money, record payments, and manage simple stock levels and purchases without the overhead of a full accounting package.

How do I submit VAT returns from SliQ Invoicing?

SliQ Invoicing supports VAT MTD submission through HMRC's VAT MTD API. Within the application you can calculate VAT on sales and purchases, prepare the VAT return and submit it using the built-in MTD functionality; confirm your HMRC credentials and submission settings as part of configuration. For HMRC guidance on Making Tax Digital see HMRC's VAT MTD guidance.

Can SliQ Invoicing be used by multiple users?

Yes, SliQ Invoicing includes a client/server mode for shared access. That mode allows multiple users on the same local network to work on a shared company file, raise invoices simultaneously and share templates and attachments; remote multi-site access typically requires a hosted server or VPN.

Does SliQ Invoicing support the Domestic Reverse Charge?

Yes, SliQ Invoicing includes Domestic Reverse Charge support for UK transactions. You can add reverse charges to invoice and bill line items, include both reverse and non-reverse charge items on a single invoice, and use the provided templates that display Reverse Charge information correctly for customers and records.

Is there a free version of SliQ Invoicing?

SliQ Invoicing provides a free trial for evaluation. The trial allows you to test invoice creation, templates and reporting; ongoing full usage generally requires purchasing a licence or subscribing to a maintenance plan—check the vendor’s trial and purchase pages for current terms and trial duration.

How do I import data into SliQ Invoicing?

SliQ Invoicing supports data import and export via common file formats such as CSV. You can import customer lists, product databases and opening balances in supported formats to speed setup; consult the user guide for column mappings and import templates.

Can I customise invoice templates in SliQ Invoicing?

Yes, SliQ Invoicing includes a template editor for invoices and HTML email templates. You can add logos, custom text, additional fields and change layout columns to match your business branding and information requirements.

What integrations does SliQ Invoicing offer?

SliQ Invoicing primarily offers file-based integrations and email export; it does not focus on an extensive cloud app ecosystem. You can export invoices to PDF, export data via CSV/XML and use those exports to integrate with other systems; for bank feeds and deep third-party app integrations consider cloud accounting alternatives.

Where can I find support and documentation for SliQ Invoicing?

SliQ provides documentation, downloads and support resources on its website. The vendor maintains user guides, FAQs and a downloads section for trials and product updates; if you need help with VAT MTD setup or client/server configuration consult their support pages and knowledge base at the SliQ Invoicing documentation hub.

How do I choose between SliQ Invoicing and cloud accounting software?

Choose SliQ Invoicing if you need a locally hosted, easy-to-use invoicing tool with MTD VAT support and optional shared network access. Choose a cloud accounting platform if you require bank feeds, extensive third-party integrations, always-online access from multiple locations without VPN, or full accounting/general ledger capabilities. Evaluate based on the number of users, need for remote access, and the level of bookkeeping features required.

SliQ Invoicing careers

SliQTools is a small UK software developer and typically lists opportunities on its corporate site or via local UK job boards. If you’re interested in product development, support or documentation roles, check the company contact pages and local recruitment listings for openings and internship opportunities. Reach out directly to their contact address for speculative applications and detailed role descriptions.

SliQ Invoicing affiliate

SliQ Invoicing does not prominently advertise a public affiliate program on its main product pages. If you are interested in reselling or referring customers, contact the vendor directly through their contact information to discuss reseller agreements, volume licensing, or referral incentives.

Where to find SliQ Invoicing reviews

You can find SliQ Invoicing reviews on independent software review sites and user forums. Check small-business software comparison sites, trade forums for tradespeople and accountant forums for user feedback; also review customer testimonials on the vendor site to see sample use cases and industry-specific commentary.

For additional technical detail, downloads and the vendor’s licensing options, consult the SliQ Invoicing pages: check the SliQ Invoicing product page and the SliQ Invoicing download page.