Technical consulting - Nairobi, Kenya

Engineering expertise for the networks, platforms and infrastructure that run your business.

JJ Corporate Consultants Limited helps operators, financial institutions, government agencies and enterprises design, build, optimise and support critical technology - from telecom core networks and cloud platforms to national payment systems and data centres.

Mobile networksArchitecture and voice core
PaymentsInstant-payment infrastructure
Data centresICT infrastructure
CloudDesign and optimisation
AdvisoryCorporate and technical

Who we are

JJ Corporate Consultants Limited is a Kenyan technical consultancy built on hands-on engineering experience in live, high-availability networks. We work with our clients from the first design decision through to day-to-day operation.

Our focus is simple: reliable systems, clear documentation and practical advice. We assess what you have, design what you need, deliver it safely with a proper method of procedure and rollback plan, and stay with you to keep it running well.

We serve clients in Kenya and across Africa, on site or remotely, and we work comfortably in multi-vendor environments.

Company at a glance

  • Registered nameJJ Corporate Consultants Limited
  • TypePrivate limited company
  • Company numberPVT-RQ1K6QZK
  • Head officeUpper Hill, Nairobi
  • CoverageKenya and Africa, on site or remote

What we do

Five practice areas, one approach: understand the problem properly, then engineer a solution that works in production.

Telecom networks and IMS/VoLTE core

Solution architecture, design, integration, optimisation and expert support for mobile operator networks.

  • Circuit-switched (CS) and packet-switched (PS) core for 3G, 4G and 5G
  • Solution architects for 5G, 4G and 3G (fifth, fourth and third-generation) mobile technologies - end-to-end design, dimensioning and vendor evaluation
  • IMS/VoLTE core: IMS (IP Multimedia Subsystem), VoLTE (voice over LTE, Long-Term Evolution) and VoWiFi (voice over Wi-Fi) design, integration and support
  • Subscriber data: HSS (Home Subscriber Server), HLR and UDM (Unified Data Management)
  • Diameter, SS7 (Signalling System No. 7) and SIP (Session Initiation Protocol) signalling, capacity and load-balancing studies
  • Cloud core and NFVI (network functions virtualisation infrastructure)
  • Health checks, fault investigation, upgrades and change planning

Payments infrastructure

Advisory, integration and operations for national and institutional payment systems.

  • National instant-payment switch strategy and design
  • Interoperability between banks, mobile money and fintechs
  • Vendor evaluation, procurement support and implementation oversight
  • Operations and maintenance (O&M) models and service management
  • Security, resilience and data-protection alignment

Data centres and ICT (information and communications technology) infrastructure

Planning and delivery of the physical and virtual platforms your services depend on.

  • Data centre feasibility, site selection and capacity planning
  • Design-build-operate support for edge and enterprise facilities
  • Virtualisation, cloud and container platform capacity reports
  • IP networking, transport and security design
  • Infrastructure audits and modernisation roadmaps

Cloud design and optimisation

Architecture, capacity and cost-performance optimisation for private, public and telco clouds.

  • Cloud architecture for private, public and hybrid environments
  • NFVI on OpenStack and Kubernetes (K8s) clusters: design, integration and optimisation
  • Telco cloud workloads: VNFs and CNFs (virtual and cloud-native network functions)
  • Capacity planning, right-sizing and performance tuning
  • Utilisation reporting and cost optimisation
  • High availability, resilience and disaster recovery design
  • Cloud health checks and migration planning

Corporate and technical advisory

Independent advice for leadership teams making technology and business decisions.

  • Technology strategy, business cases and feasibility studies
  • Proposals, tenders and managed-services models
  • Project and programme management
  • Documentation: designs, methods of procedure and runbooks
  • Management reporting that turns technical data into clear decisions

How we work

A disciplined method that keeps live services safe while we improve them.

Assess

We collect the facts from your systems - configuration, logs and performance data - before drawing any conclusion.

Design

We produce a clear design and plan, with the options, risks and expected results set out for decision makers.

Deliver

Changes go in under a written method of procedure, with pre-checks, verification and a tested rollback.

Support

We measure the outcome, hand over documentation and stay available for ongoing support and optimisation.

Why clients choose us

Real operational experience

Our engineers have worked inside live operator networks, where uptime and careful change control matter every day.

Evidence-based advice

Recommendations are backed by data from your own systems, not assumptions - so you can act on them with confidence.

Confidential and independent

We treat every engagement as strictly confidential and give vendor-neutral advice in your interest.

Our engineers' track record

Our engineers have designed, integrated and optimised core networks for mobile operators across Africa, the Middle East and Europe - on classic, virtualised and cloud-native platforms.

60+years of combined hands-on core network experience
25+core network projects delivered by our engineers
15+countries our engineers have worked in

Operators our engineers have worked for

MTNNigeria, Cameroon, Guinea, Rwanda, Congo, Benin, Eswatini, Afghanistan
AirtelNigeria, Tanzania, Seychelles
Telkom KenyaKenya
MobilisAlgeria
ZainJordan
STCSaudi Arabia
OrangeCameroon
TigoSenegal
Touch TelecomMobile operator
TAWALTelecom infrastructure
Nokia Managed ServicesTanzania

Voice core integration and optimisation

MSC-S (mobile switching centre server) blade cluster and media gateway integration, planning and optimisation, on OpenStack and Kubernetes (K8s) cloud platforms.

MTN Nigeria

Subscriber data modernisation

HLR (home location register) introduction and HSS (home subscriber server) modernisation on CUDB (centralised user database), and HSS platform migration with mass data changes.

Zain Jordan - STC Saudi Arabia

24/7 second-line core support

Back-office escalation support for voice core, packet core, subscriber data and signalling, with emergency handling and root cause analysis.

Mobilis Algeria - MTN Afghanistan - MTN Guinea

Packet core and virtual EPC

Classic and virtual EPC (evolved packet core): SGSN-MME, EPG and SAPC policy control, plus IPWorks DNS, from rollout through operations.

Airtel Nigeria - MTN Rwanda - Airtel Seychelles - Tigo Senegal

Network management and performance

OSS-RC, ENM and ENIQ (operations support, network management and statistics) integration and support, and CS/PS performance optimisation.

MTN Cameroon - Orange Cameroon

Core network fault resolution

Call detail record (CDR) fault investigation and resolution on a blade MSC, plus MSC and media gateway integration and IMS subscriber activation.

Telkom Kenya - Nokia Managed Services Tanzania

Let's talk about your project

Tell us what you are working on and we will come back to you with how we can help.

info@jb-grp.net
+254 706 076 810
Upper Hill, Nairobi, Kenya