What technologies does Kletta use?

Kletta uses Route 53, Gmail, Google Apps, Facebook Login (Connect), Google Tag Manager. View their full technology stack — including all 21 detected tools — on StackWho.

Who is the Chief Product Officer, Co-Founder of Kletta?

Sami Verkkoperae is the Chief Product Officer, Co-Founder at Kletta. Get verified contact information on StackWho.

Who is the Founder of Kletta?

Tomi-Pekka Parkkinen is the Founder at Kletta. Get verified contact information on StackWho.

Where is Kletta located?

Kletta is based in London, England, United Kingdom.

Kletta

kletta.com

information technology & services

kletta.com

London, England, United Kingdom

11-50 employees

LinkedIn Profile

About Kletta

making tax digital for income self assessment taxation, mobile computing software products, business management, self-employed accounting, digital expense recording, mobile bookkeeping app, income tax self-assessment, entrepreneur tools, automated bookkeeping, invoice sending, real-time financial tracking, self-employed, financial automation, expense management, receipt scanning, tax deadline reminders, small business software, self-assessment, invoice creation, automated vat reporting

Kletta's Tech Stack

AI/ML

Mobile

Android

React Native

Backend

Node.js

Decision Makers at Kletta

3 contacts

Sami Verkkoperae

Chief Product Officer, Co-Founder

s***@kletta.com Sign up to view

Tomi-Pekka Parkkinen

Founder

t***@kletta.fi Sign up to view

Matti Lannetta

Co-Founder, CEO

m***@kletta.com Sign up to view

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21 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

Kletta's Position in the StackWho Database

• Kletta is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 47,721 companies in England are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Kletta).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Kletta use?

Kletta uses Route 53, Gmail, Google Apps, Facebook Login (Connect), Google Tag Manager, Mobile Friendly, and 15 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Kletta?

StackWho has verified email addresses for 3 decision makers at Kletta. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Kletta directly for sales, recruiting, or partnerships.

What industry is Kletta in?

Kletta operates in the information technology & services industry, headquartered in London, England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Kletta's contact data?

Yes. StackWho Pro members can export decision maker contact data for Kletta and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.