SJD Consultancy provides a range of business telephone systems, including Voice over IP (VoIP) solutions, cloud-based systems, and traditional systems from manufacturers like Avaya, 3CX, and Gamma. We specialise in tailoring these systems to businesses of all sizes, from small startups to enterprises with up to 5,000 users.

VoIP (Voice over Internet Protocol) allows you to make calls over the Internet, reducing costs compared to traditional phone lines. With SJD Consultancy, you get scalable, flexible systems with features like call routing, video calling, and mobile integration, enhancing communication efficiency and supporting remote work.

Yes, with over 60 years of telecom experience, we can maintain and upgrade existing systems from major manufacturers. Whether you need repairs, enhancements, or a complete replacement, we provide expert advice to ensure your system meets modern demands.

We partner with leading UK mobile providers—EE, Three, Vodafone, and O2—to deliver tailored business mobile solutions. Each offers unique benefits, like EE’s 99% UK coverage or Vodafone’s global reach, and we help you choose the best fit for your business.

Our plans are designed to match your specific needs, avoiding unnecessary costs. We offer flexible options, such as EE’s 5G-ready plans or Three’s seamless integration with business tools, ensuring you pay only for what boosts your productivity and connectivity.

We provide high-speed internet connections tailored to your business size and needs, leveraging VoIP-ready infrastructure. Our solutions support seamless communication, and we offer ongoing support to keep your Internet reliable and future-proof.

Absolutely. Our VoIP and cloud-based systems integrate seamlessly with mobile devices, allowing your team to stay connected on the go. We also provide apps and configurations to unify your fixed and mobile communications.

We provide comprehensive post-installation support, including troubleshooting, system upgrades, and advice on evolving your setup as your business grows. Our team ensures your communication tools remain effective long-term.

We offer cost-effective solutions like VoIP systems that eliminate expensive hardware and flexible mobile plans with top providers. We aim to maximise value, ensuring small businesses get reliable communication without breaking the bank.

With decades of experience, partnerships with leading providers, and a focus on tailored solutions, we deliver reliable, scalable, and affordable telephone systems, mobiles, and internet services. Based near Burnley, we’re committed to supporting UK businesses with expert, personalised service.