Silux Call vs Gradwell: an honest UK comparison

Looking for a Gradwell alternative? Gradwell is a uK VoIP (part of Onecom since July 2025). Gradwell published pricing, checked 26 September 2026: Wave 100 £7.90/user (100 minutes); Wave 1000 £11.10; Wave 3000 £15.90 (3,000 minutes); by quote. Silux Call has no long contract and puts 3 users and a UK landline in one price — Plus is £8.95 a month.

The short answer

Gradwell: per-user billing, no unlimited plan, and pricing by quote rather than self-service. Silux Call has no contract, unlimited inbound calls on every plan, and every plan includes a UK number shared by your team, with an extension for every user.

Silux Call

From £4.75 a month · GBP · ex-VAT · no contract

  • 7-day free trial — 1 user, 1 UK number, 30 outbound minutes, no card
  • Entry £4.75 a month (1 user, 1 landline): 2,000 outbound UK minutes, unlimited inbound
  • Plus £8.95 a month (3 users, 1 landline): unlimited UK landline & mobile calls, call menu (IVR)
  • Growth £11.95 a month (6 users, 1 landline): call recording, queues, CRM, scam & spam shield
  • Pro £18.95 a month (10 users, 1 landline): 20 AI receptionist minutes, transcription, every call recorded
  • Extra landlines £5.99 a month · no long contract (30 days' notice) · free number porting on paid plans · extra numbers £5.99

Gradwell

UK VoIP (part of Onecom since July 2025) · checked 26 September 2026

Gradwell pricing
Wave 100 £7.90/user (100 minutes); Wave 1000 £11.10; Wave 3000 £15.90 (3,000 minutes); by quote
Gradwell free trial
No self-serve trial
Gradwell AI receptionist
Not published
Worth knowing about Gradwell
Per-user billing, no unlimited plan, and pricing by quote rather than self-service

Source: https://gradwell.com/phone-systems/wave/

Pricing side-by-side (GBP)

Silux CallGradwell
Free trial7 days, no card (1 user, 1 number, 30 minutes)Gradwell: No self-serve trial
Entry plan£4.75 a month (Entry, 1 user, 2,000 outbound UK minutes)Gradwell: £7.90 Wave 100 (100 minutes)
Unlimited UK landline & mobile£8.95 a month (Plus, 3 users + 1 landline)Gradwell: No unlimited plan; Wave 3000 £15.90 (3,000 minutes)
AI receptionist20 AI receptionist minutes a month included on Pro (£18.95 a month with 10 users and 1 landline); an £15 a month add-on on other plansGradwell: Not published
ContractNone — rolling monthlyNot published — by quote

Gradwell figures from their own website, checked 26 September 2026; ex-VAT unless stated. Ours are read live from our price list. See the full band-by-band comparison →

Switching from Gradwell

  1. Choose a plan — no contract, so you can change it any time.
  2. Port — free UK number porting on every paid plan. Send a recent bill and a signed letter of authority.
  3. Set up — build your call menu, hunt groups and opening hours in the dashboard.
  4. Keep Gradwell running until the port completes, then cancel with them.
Choose Plus — £8.95 a monthStart 7-day free trial — no cardBook a migration call

FAQs — Silux Call vs Gradwell

Is Silux Call cheaper than Gradwell?

On Silux Call every plan includes a UK landline and its users, so a team pays one price, not one per person. Entry is £4.75 a month with 2,000 outbound UK minutes; Plus is £8.95 a month for 3 users with unlimited UK landline and mobile calls; Growth is £11.95 a month for 6 users, with call recording and queues; Pro is £18.95 a month for 10 users. Extra landlines £5.99 a month. All ex-VAT, no long contract. Gradwell, as published on 26 September 2026: Wave 100 £7.90/user (100 minutes); Wave 1000 £11.10; Wave 3000 £15.90 (3,000 minutes); by quote.

Can I move from Gradwell to Silux Call and keep my number?

Yes. Porting a UK number is free on every paid Silux plan — send a recent bill and a signed letter of authority. Your Gradwell line keeps working until the port completes.

How does Silux Call differ from Gradwell?

Gradwell: per-user billing, no unlimited plan, and pricing by quote rather than self-service. Silux Call has no long contract (30 days' notice), includes a UK landline and several users in one plan price, includes unlimited inbound calls on every plan, adds a scam & spam shield from Growth (£11.95) and 20 AI receptionist minutes a month included on Pro (£18.95 a month with 10 users and 1 landline); an £15 a month add-on on other plans.

Does Silux Call have a free trial?

Yes — 7 days, no card: one user, a UK number and 30 outbound minutes. Gradwell: No self-serve trial.

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