What Turkkep does

TÜRKKEP (legal entity: TÜRKKEP Kayıtlı Elektronik Posta Hizmetleri San. ve Tic. A.Ş.) is a privately held Turkish e-transformation and trust services provider founded in 2008 and headquartered in Şişli, Istanbul. The company operates as a regulated SaaS platform delivering legally valid electronic communication, document integrity, and tax-compliance services under dual authorization from BTK (Information and Communication Technologies Authority, granted February 25, 2013) for KEP (Registered Electronic Mail) services and from GİB (Revenue Administration, granted September 27, 2013) for e-Invoice Private Integrator operations. Its product portfolio spans the full e-transformation stack: KEP registered electronic mail, Mobil KEP (a mobile KEP application with embedded AI agent for document analysis and deadline reminders), e-Tebligat/UETS electronic notification, e-İmza electronic signature, e-Mühür electronic seal, e-Saklama long-term electronic storage with a 100% immutability guarantee across 20-30-50 year retention tiers, and the e-Document suite covering e-Fatura, e-Arşiv Fatura, e-Defter, e-İrsaliye, e-Serbest Meslek Makbuzu, and e-Müstahsil Makbuzu. Enterprise solutions include KEP İK for HR/payroll workflows, Entegrasyon Suit (API integration layer), the TÜRKKEP SAP KEP Integration Module and SAP E-Transformation Package, TÜRKKEP İmza, KEP Assist, and Muhaberat Yönetim Sistemi (correspondence management). The company maintains one of Turkey's first R&D Centers in the digital transformation sector and holds an extensive ISO certification stack (9001, 14001, 22301, 27001, 27017, 27018, 20000-1, 27031, 27701, 10012, 10002).

TÜRKKEP's commercial model is anchored on subscription-based, annual recurring revenue across KEP, e-Fatura, e-İmza, e-Saklama, and e-Tebligat services, with pricing structured as quote-based enterprise contracts for large corporates and government entities. The company operates a hybrid go-to-market: a nationwide channel of 150-200+ authorized Application Centers (Başvuru Merkezleri) across all 81 Turkish provinces handles SMB and individual onboarding and support, supplemented by direct enterprise field sales for large banks, telcos, conglomerates, and public institutions (including Turkish Airlines, Türk Telekom, Vodafone, Aktif Bank, Albaraka, KuveytTürk, ING, Burgan Bank, AGESA, ENERJİSA, Doğuş Grubu, Çalık Holding, Karadeniz Holding, TCDD, and İSO). A direct digital channel runs through the Mobil KEP mobile app on Google Play and Apple App Store, serving 200,000+ monthly active users with a reported 4.8/5 satisfaction score.

Customer reach extends to over 1,000,000 cumulative accounts since 2008, and the platform is embedded across major enterprise software ecosystems through integrations with SAP (Fiori and GUI), LOGO Bordro Plus, Tiger HR, 32bit Contract Management, Salesforce via INSPARK, Paperwork BPM, AXDijital, Datassist (payroll, ~2M end users), and Sayax (energy sector). The CEO publicly disclosed in March 2025 that revenue grew 8x over the prior five years. TÜRKKEP is led by Chairman Pelin Karamış, General Manager Olcay Yıldız, Deputy General Manager Ayhan Ağırgöl, and Board Member Hüseyin Karayağız. The company is privately held with no disclosed external institutional investors, no public listing, and no parent company affiliations.

Name

Turkkep

Legal name

TÜRKKEP KAYITLI ELEKTRONİK POSTA HİZMETLERİ SAN. VE TİC. A.Ş.

Website

https://turkkep.com.tr

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

101–250 employees

Short description

TÜRKKEP is Turkey's regulated e-transformation SaaS platform providing registered electronic mail (KEP), electronic signature, e-invoice, e-ledger, and long-term document storage to over 1 million customers across all 81 Turkish provinces via 150+ application centers and enterprise integrations.

Ownership category

akta.pro rank

Product category

Digital Trust Services

NAICS

Software Publishers (5132), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Custom Computer Programming Services (541511)

SIC

Services-Prepackaged Software (7372), Services-Computer Processing & Data Preparation (7374)

akta.pro primary industry

Revenue Systems, E-Filing & Digital Tax Administration (BPAIADAO)

akta.pro secondary industries

Fraud Prevention & Identity Verification (IDV/KYC) (BPAMAEAI), Data, Evidence & Document Verification (IDV) for KYC (FSAMAMAN)

Keywords

• Registered electronic mail
• Electronic signature services
• Electronic invoicing
• Digital document storage
• E-transformation platform

Headquarters

HQ city

Sisli

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. KEP (Kayıtlı Elektronik Posta) Services: Subscription-based registered electronic mail services providing legally valid electronic communication with features including time-stamped delivery confirmation, legal evidence, and 20-year document storage.
2. e-Fatura & e-Belge Services: Electronic invoice, electronic archive invoice, electronic ledger, and electronic dispatch note services for tax compliance, offered as subscription or usage-based pricing.
3. e-İmza (Electronic Signature): Electronic signature services and applications for document signing with legal validity equivalent to wet signature.
4. e-Saklama (Electronic Storage): Long-term electronic document storage with 100% legal immutability guarantee, supporting storage periods of 20, 30, 50 years or longer.
5. e-Tebligat (UETS): Electronic notification services through the National Electronic Notification System for legal and official communications.
6. Corporate Solutions: Enterprise solutions including KEP İK, SAP Integration, Integration Suite, and Muhaberat Yönetim Sistemi for process automation.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

TÜRKKEP provides a comprehensive e-transformation platform delivering legally valid registered electronic mail (KEP), electronic signature (e-İmza), electronic seal (e-Mühür), electronic storage (e-Saklama), electronic invoice (e-Fatura), electronic ledger (e-Defter), electronic archive invoice (e-Arşiv Fatura), electronic dispatch note (e-İrsaliye), and electronic notification (e-Tebligat/UETS) services to enterprises, government institutions, and individuals across Turkey. The company sells these primarily as subscription-based services, distributed through 150+ application centers, direct enterprise sales, mobile apps, and integrations with enterprise software.

Product overview

TÜRKKEP operates as a comprehensive e-transformation platform offering a portfolio of integrated digital document and communication services. The core product family centers on KEP (Registered Electronic Mail) as the foundational secure communication layer, supplemented by e-Signature (E-İmza), e-Seal (E-Mühür), and e-Storage (E-Saklama) services for document integrity and archival. The e-Document suite (E-Fatura, E-Arşiv Fatura, E-Defter, E-İrsaliye, E-SMM, E-MM) handles fiscal and transactional document lifecycle management. Corporate solutions including KEP İK, KEP Assist, Entegrasyon Suit, and Muhaberat Yönetim Sistemi extend the platform for enterprise HR, support, and workflow needs. The portfolio is distributed through a nationwide network of over 150 application centers (Başvuru Merkezleri) and integrates with enterprise systems including SAP, LOGO, 32bit, Paperwork BPM, AXDijital, Datassist, and Inspark/Salesforce.

Differentiator

Problem solved

Functional benefit

Products and services

• KEP (Kayıtlı Elektronik Posta) – Registered Electronic Mail Subscription-based registered electronic mail service providing legally valid, secure, auditable electronic communication with time-stamped delivery confirmation and 20-year storage. Used by enterprises, government institutions, and individuals for official correspondence, legal notifications, and regulatory submissions.
• Mobil KEP Mobile Application Turkey's first and only end-to-end intelligent mobile KEP application, allowing users to send, receive, sign, store, and manage legally valid official and valuable documents (including property deeds and diplomas) directly from mobile devices. Features an AI agent for document analysis and deadline reminders. Has 200,000+ monthly active users and 4.8/5 satisfaction.
• e-Tebligat / UETS Electronic Notification Electronic Notification service delivered via Turkey's National Electronic Notification System (UETS), enabling instant, trackable, legally valid delivery of official notifications to legal entities and individuals. Used by government institutions and enterprises for legal and official communications.
• e-Saklama (Electronic Storage) Long-term electronic document storage service with 100% legal immutability guarantee, supporting retention periods of 20, 30, 50 years or longer for official, legal, and commercial documents.
• e-İmza (Electronic Signature) Electronic signature service providing signatures legally equivalent to wet (handwritten) signatures, used for authenticating electronic documents and transactions by enterprises, government institutions, and individuals.
• e-Mühür (Electronic Seal) Electronic seal product enabling legal entities to authenticate documents and verify the integrity of electronic content at the organizational level.
• e-Fatura (Electronic Invoice) Electronic invoice service enabling businesses to create, send, and receive invoices digitally in compliance with Turkish Revenue Administration (GİB) standards. Used by enterprises and SMEs to meet mandatory e-invoice requirements.
• e-Arşiv Fatura (Electronic Archive Invoice) Electronic archive invoice service for storing and managing electronic invoices with full legal validity for businesses not yet on mandatory e-invoice, and for inter-company B2B transactions.
• e-Defter (Electronic Ledger) Electronic ledger service enabling businesses to maintain accounting records in digital format as required by Turkish tax regulations.
• e-İrsaliye (Electronic Dispatch Note) Electronic dispatch note service for managing shipping and delivery documentation digitally, replacing paper irsaliye for goods movements in compliance with Turkish tax regulations.
• e-Serbest Meslek Makbuzu (Electronic Freelance Professional Receipt) Electronic receipt service enabling freelancers and self-employed professionals to issue digitally signed receipts in compliance with Turkish tax regulations.
• e-Müstahsil Makbuzu (Electronic Producer Receipt)

Quantifiable outcome

• Revenue grew 8 times in the last 5 years (2020-2024)
• +5 more outcomes

Named customers22 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration9 records

AI capability2 records

Feature6 records

Partnerships

Eight partnerships are on record, tiered core, minor and major.

• Aksis Dijital Çözümler (AXDijital)coreTechnology or Integration · 16 February 2026Strategic integration between AXDijigital platform and TÜRKKEP's KEP infrastructure enables AXDijital users to manage official notifications and critical documents received via KEP within their digital ecosystem. Documents are automatically transferred to AXDijital document management system and managed through defined workflows.
• DatassistcoreTechnology or Integration · 12 December 2025Datassist, one of Turkey's first payroll outsourcing companies established in 1999, integrated TÜRKKEP's KEP infrastructure into its payroll platform. This integration enables end-to-end digital management of customer onboarding, payroll signing, and KEP-based delivery within the Datassist software. The solution is expected to reach nearly 2 million users.
• Doğuş UniversityminorStrategic or Co-development Partner · 9 December 2025Protocol agreement for digital transformation collaboration focusing on knowledge sharing, R&D support, and preparing students and employees for the digital business world.
• INSPARK (Salesforce Turkey)coreTechnology or Integration · 2 December 2025Salesforce's Turkey authorized distributor INSPARK completed e-Fatura integration with TÜRKKEP. Salesforce users now issue e-Invoices directly through TÜRKKEP services, making the sales-to-invoice process a single flow.
• Maltepe UniversityminorStrategic or Co-development Partner · 18 November 2025Protocol agreement covering KEP and e-Correspondence security, R&D collaboration, and internship opportunities. The partnership aims to provide academic support for TÜRKKEP's R&D activities and joint project development.
• Paperwork BPMcoreStrategic or Co-development Partner · 14 February 2025Strategic partnership between TÜRKKEP and Paperwork BPM enables KEP messages to be instantly included in workflows, legal deadlines to be managed without interruption, and human-related risks to be minimized.
• TCDD (Türkiye Cumhuriyeti Devlet Demiryolları Taşımacılık A.Ş.)majorTechnology or Integration · 17 December 2024TCDD Taşımacılık's SAP Fiori and SAP GUI approval processes were consolidated with TÜRKKEP signature services in SAP Fiori environment. This enabled efficient execution of customs applications, psychotechnical processes, and leave request approvals.
• Logo (Bordro Plus and Tiger HR)coreTechnology or Integration · 5 July 2024TÜRKKEP developed KEP integration for Logo Bordro Plus and Tiger HR applications. Salary payrolls produced within the application can be securely, legally, and quickly delivered to employees via TÜRKKEP KEP services without leaving the application.

Scale indicators9 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• PTT (KEPTT / PTT KEP): Turkey's state postal operator and authorized KEP service provider (KEPTT). Directly competes with TÜRKKEP in regulated electronic mail and e-notification, with a captive public-sector customer base that mirrors TÜRKKEP's government segment.
• EBYS Bilişim: Authorized Turkish KEP and e-document provider focused on electronic correspondence (EBYS) solutions for public institutions. Competes head-to-head with TÜRKKEP in government and enterprise KEP contracts.
• eLogo (Türkiye İş Bankası): Subsidiary of İş Bankası providing e-Fatura, e-Defter, e-Arşiv, and integrated e-document services. Direct competitor in Turkish e-invoicing, with a captive banking-channel customer base.
• Foriba: Established Turkish e-invoice and e-document platform serving enterprise and SMB customers. Competes with TÜRKKEP's e-Fatura, e-Defter, and e-Arşiv offerings with overlapping ERP integration capabilities.

Emerging players

• Logo Yazılım: Leading Turkish ERP/accounting software vendor with embedded e-Fatura and e-document capabilities. Both a partner (TÜRKKEP integrates with LOGO Bordro Plus) and a competitor as it expands its own document compliance modules.
• GlobalSign: Digital certificate authority and identity/SSO provider with PKI and electronic signature offerings. Comparable to TÜRKKEP in the underlying digital trust infrastructure that powers e-İmza and KEP services.

Broad incumbents

• DocuSign: Global leader in electronic signature and agreement cloud. Competes with TÜRKKEP İmza / e-İmza in the broader electronic signature category, with global brand reach and enterprise customer base.
• Adobe Acrobat Sign: Adobe's enterprise electronic signature solution bundled with Acrobat and Document Cloud. A broad incumbent competitor to TÜRKKEP's e-İmza/e-Mühür products in multinational enterprise accounts.
• OneSpan: Global provider of digital identity verification, e-signature, and secure authentication solutions. Comparable to TÜRKKEP in the digital trust services category, particularly for regulated industries and high-assurance transactions.

Regional players

• Netsoft / NetERP: Turkish ERP and e-transformation software provider serving SMBs with e-Fatura and e-Defter modules. Regional competitor in Turkey's SME segment where TÜRKKEP also competes via its Application Center channel.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key highlights7 records

Customer concentration

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Turkkep