Insights

SMB Champion Target UK and Ireland small to medium-sized businesses across diverse sectors (farmers, tech firms, retailers, charities) that rely on external accounting and advisory support, highlighting Sumer’s collaboration model as a growth enabler.

Collaboration Power Position Sumer as a scalable, collaborative ecosystem combining regional expertise with national reach to offer integrated services, tech enablement, and faster problem-solving for growth-focused clients.

Tech Stack Leverage Leverage Sumer’s modern tech stack (Power BI, HubSpot, Azure AD, Cloudflare, WordPress) to upsell data-driven advisory, digital transformation, and seamless client onboarding, with emphasis on improved reporting and security.

Financial Scale Target mid-market segments within the revenue range represented by Sumer’s own size and growth trajectory, using case studies that illustrate efficient scale, cost-effective processes, and measurable ROI.

Growth Narrative Highlight potential for cross-sell across services and regions by tapping into sectors served (agriculture, tech, retail, charities) and showcasing success stories from similar portfolios to reduce onboarding risk and accelerate conversion.

Sumer Tech Stack

Sumer uses 8 technology products and services including Power BI, WordPress, Cloudflare DNS, and more. Explore Sumer's tech stack below.

  • Power BI
    Business Intelligence
  • WordPress
    Content Management System
  • Cloudflare DNS
    Domain Name Services
  • Azure Active Directory
    Identity And Access Management
  • HubSpot
    Marketing Automation
  • Microsoft Office
    Office Suites
  • Windows 10
    Operating Systems
  • YouTube
    Video Players

Sumer's Email Address Formats

Sumer uses at least 1 format(s):
Sumer Email FormatsExamplePercentage
First.Last@sumer.co.ukJohn.Doe@sumer.co.uk
100%

Frequently Asked Questions

What is Sumer's stock symbol?

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Sumer is a publicly traded company; the company's stock symbol is CMS-PB.

What is Sumer's official website and social media links?

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Sumer's official website is sumer.co.uk and has social profiles on LinkedIn.

How much revenue does Sumer generate?

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As of July 2026, Sumer's annual revenue is estimated to be $250M - $500M.

What is Sumer's NAICS code?

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Sumer's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Sumer have currently?

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As of July 2026, Sumer has approximately 2.6K employees across 5 continents, including EuropeAsiaAfrica. Key team members include Chief Client Officer: J. T.Chief Risk And Compliance Officer: J. M.Chief Financial Officer: N. T.. Explore Sumer's employee directory with LeadIQ.

What industry does Sumer belong to?

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Sumer operates in the Accounting industry.

What technology does Sumer use?

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Sumer's tech stack includes Power BIWordPressCloudflare DNSAzure Active DirectoryHubSpotMicrosoft OfficeWindows 10YouTube.

What is Sumer's email format?

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Sumer's email format typically follows the pattern of First.Last@sumer.co.uk. Find more Sumer email formats with LeadIQ.
Sumer logo

Sumer

AccountingEngland, United Kingdom1001-5000 Employees

Based in London, Sumer operates as an accounting services network that brings together regional practices with the scale and capabilities of a national organization. Its approach emphasizes collaboration among firms to support business clients across the UK. It aims to free up business owners' time, support growth, and help resolve complex problems through coordinated services.

Its core clients are small and medium-sized enterprises across the UK and Ireland, spanning sectors such as farming, technology, retail, and charities. The model combines local expertise with broader resources to deliver a wider range of services than traditional regional firms. It is based in London and maintains a sizable professional team.

Section iconCompany Overview

Stock Symbol
CMS-PB
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Employees
1001-5000

Section iconFunding & Financials

  • $250M - $500M

    Sumer's revenue is estimated to be in the range of $250M - $500M

Section iconFunding & Financials

  • $250M - $500M

    Sumer's revenue is estimated to be in the range of $250M - $500M

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