MSP-GB-LON-ISUMO
ISUMO
Managed service provider · London, London
11–50 staffFounded 201024/7
Last checked 8 Nov 2026 · 23 sourced facts
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“ISUMO delivers managed IT, network and security solutions that keep your business connected, compliant and protected. Our expert team provides proactive support, cloud services and cutting-edge technology to help orga…”reported by the company · isumo.com · 8 Nov 2026
- Staff / size
- 11–50
- Founded
- 201016 yrs
- Offices
- 1
- Services
- 9of 13
- Industries
- 0
- Stack tools
- 3
- Certifications
- 0
- Support
- 24/7
1Stack: the tools we found
- PSA / ticketingnot found
- RMMnot found
- Remote accessnot found
- Documentationnot found
- Securitynot found
- BackupVeeamSite
- MailMicrosoft 365DNS
- NetworkingCisco MerakiSite
- Voice3CXSite
Marks: DNS detected in public DNS, Site named or badged on their site, Job ad named in their job ad. “Not found” means not seen on public pages, not “not used”. See how we check.
Every tool with its source
| Tool | How we know |
|---|---|
| Cisco Meraki | named on their site · isumo.com · 8 Nov 2026 |
| Veeam | partner badge on their site · isumo.com · 8 Nov 2026 |
| 3CX | partner badge on their site · isumo.com · 8 Nov 2026 |
| Microsoft 365 (own mail) | detected (public DNS) · isumo.com · 8 Nov 2026 |
2Services coverage
- Help desk / IT support (offered)
- Co-managed IT (not found)
- NOC / monitoring (offered)
- SOC / MDR (offered)
- Cybersecurity (offered)
- Cloud / Microsoft 365 / Azure (offered)
- Backup / disaster recovery (not found)
- Compliance (offered)
- VoIP / UCaaS (offered)
- Networking (offered)
- IT procurement (offered)
- vCIO / consulting (not found)
- AI services (not found)
From isumo.com/care-plans, isumo.com/cyber-security, isumo.com/security-compliance, isumo.com/hosting-cloud. Empty squares: not found on their pages.
Compliance frameworks named: Cyber Essentials
3Industries served
no industry pages found
| Client size targeted | not published |
|---|
4Support model
24 hours, 7 days (as published)
| Support hours | 24/7reported by the company · isumo.com · 8 Nov 2026 |
|---|---|
| Published hours | not published |
| 24/7 monitoring | yesreported by the company · isumo.com · 8 Nov 2026 |
| After-hours / emergency line | yesreported by the company · isumo.com · 8 Nov 2026 |
| Help desk location | not published |
| Response time / SLA | not published |
5Location and company
Outline: ONS ITL1 regions, contains OS data © Crown copyright and database right. HQ position from its public map listing, to about 1 km.
| Headquarters | 20 – 22 Wenlock Rd, London N1 7GU, United KingdomGoogle Maps listing · google.com · 8 Nov 2026 |
|---|---|
| Other offices | not published |
| Service area (as published) | not published |
| Trading name | ISUMOGoogle Maps listing · google.com · 8 Nov 2026 |
| Legal name | ISUMO LTDpublic register · find-and-update.company-information.service.gov.uk · 8 Nov 2026 |
| Companies House | 07678983 · Active · SIC 62090 Other information technology service activities; 82990 Other business support service activities not elsewhere classified · incorporated 22 June 2011public register · find-and-update.company-information.service.gov.uk · 8 Nov 2026 |
| Phone (switchboard) | +44 20 7871 1476Google Maps listing · google.com · 8 Nov 2026 |
| Business mailbox | hello@isumo.comreported by the company · isumo.com · 8 Nov 2026 |
| Ownership | not published |
| Google rating | not published |
6Size, certifications and peers
| Staff (their site) | not published |
|---|---|
| Size band | 11–50 staffreported by the company · linkedin.com · 8 Nov 2026 |
| LinkedIn company size | 11-50 employeesreported by the company · linkedin.com · 8 Nov 2026 |
| Clients (as published) | not published |
| Microsoft partner | not published |
| Vendor partner tiers | not published |
| Own certifications | not published |
- Larger than 31% of the 299 MSPs in London with a known size.
- 3 stack tools found vs a median of 2 across 2,540 fully researched UK MSPs.
- 9 of 13 services vs a median of 8.
From the public profiles on MSP Scope (sample sizes shown). Facts not found count as not found, so small or quiet websites score lower.
7Timeline
- 2010Foundedreported by the company · linkedin.com · 8 Nov 2026
Only dated, sourced items. Acquisitions and rebrands appear here when the MSP or a public register states them.
8Pricing (as published)
no prices published on the pages we read
Only prices the MSP publishes for its own managed service (per user or per device). See published MSP pricing.
9Nearby and similar MSPs in London
Microbyte 24/7 IT SupportLondon · 11–50 staff
HTL SupportLondon · 11–50 staff
CloudTech24London · 11–50 staff
Sereno IT SupportLondon · 11–50 staff
Techrelate LtdLondon · 11–50 staff
Dr LogicLondon · 11–50 staff
Same town first, then similar size, stack and services. More: all MSPs in London · all MSPs in London · other MSPs offering help desk / it support.
10Revision history and sources
Researched 8 Nov 2026 (full pass), last checked 8 Nov 2026. 9 public pages read.
Pages we read
Anything not found stays empty. We never guess. Spot an error? Correct it.