The East African Community (EAC) is a regional bloc comprising Kenya, Uganda, Tanzania, Rwanda, Burundi, South Sudan, and the Democratic Republic of Congo (DRC). Its founding Treaty commits Partner States to progressively deepen integration through a Customs Union, a Common Market, a Monetary Union, and ultimately a Political Federation.

For businesses operating across borders — particularly within the Kenya-Uganda-Tanzania trade corridor — understanding the EAC Common Market Protocol and the wider EAC legal framework is essential to avoid unnecessary tariffs, border delays, and regulatory duplication.

What Is the EAC Common Market Protocol?

The Protocol on the Establishment of the EAC Common Market was signed in November 2009 and entered into force in July 2010. It is the legal instrument through which the East African Community deepens regional integration by creating a single common market among its member states.

It builds on the earlier Customs Union and represents the most advanced stage of EAC integration currently in active implementation, ahead of the Monetary Union and the eventual Political Federation.

The Five Freedoms Guaranteed Under the EAC Common Market Protocol

Implementation remains progressive rather than absolute. Certain Partner States maintain partial waivers, particularly on the free movement of labour. The Common Market Protocol’s ambiguities — such as the treatment of services under a positive or negative list approach — also continue to generate compliance uncertainty for cross-border businesses.

EAC vs COMESA: What’s the Difference?

Kenya, alongside several of its EAC partners, is simultaneously a member of the Common Market for Eastern and Southern Africa (COMESA), a separate regional economic community spanning 21 member states across Eastern and Southern Africa. Businesses researching EAC vs COMESA should understand that overlapping membership creates both opportunity and complexity:

• Scope. COMESA operates its own free trade area and is pursuing its own customs union, distinct from the EAC’s structures, even though the two blocs share several member states, including Kenya, Burundi, DRC, and Rwanda.
• Dispute resolution. The COMESA Court of Justice has its own jurisdiction, separate from the East African Court of Justice (EACJ), and a company operating under both frameworks may need to consider which forum applies to a given dispute.
• Tariff conflicts. Because membership in more than one customs union is technically incompatible, Partner States with dual COMESA-EAC membership must navigate differing common external tariffs, rules of origin, and preferential trading arrangements.
• Practical effect for investors. A business trading across both blocs should confirm, product by product, which regime’s rules of origin and tariff treatment apply, since overlapping membership does not automatically entitle a good to preferential treatment in both markets simultaneously.

Both the EAC and COMESA are, in turn, part of the wider African Continental Free Trade Area (AfCFTA), which is intended over time to harmonise trade arrangements across Africa’s regional blocs — though this harmonisation remains a work in progress.

Non-Tariff Barriers (NTBs) in the EAC — and How to Resolve Them

Non-Tariff Barriers (NTBs) are defined under EAC law as laws, regulations, and administrative or technical requirements — other than tariffs — imposed by a Partner State whose effect is to impede trade. Common examples include discriminatory taxes and levies, excessive administrative fees, non-automatic licensing, rules of origin disputes, and disguised roadblocks or weighbridge delays.

The legal obligation to eliminate NTBs is anchored in Article 13 of the EAC Customs Union Protocol, and is given further effect through the East African Community Elimination of Non-Tariff Barriers Act, 2017. The Act provides three escalating mechanisms for resolving a reported NTB:

1. Mutual agreement — the concerned Partner States engage in a bilateral consultation process to agree a resolution.
2. The Time-Bound Programme — a structured monitoring mechanism, administered by the EAC NTB Monitoring Committee and National Monitoring Committees in each Partner State, that tracks identified barriers against a resolution deadline.
3. Council of Ministers directives — where the above mechanisms fail, the matter may be escalated to the EAC Council of Ministers, and ultimately to the East African Court of Justice.

Businesses encountering an NTB can report it through the regional online reporting platform, which is jointly administered for the EAC, COMESA, and SADC. In March 2026, the 25th EAC Ordinary Summit directed Partner States to resolve all outstanding reported NTBs by 30 June 2026, underscoring renewed political urgency — though enforcement against non-complying states remains constrained by the fact that the EAC Committee on Trade Remedies, intended to handle binding dispute settlement, is not yet operational.

Doing Business Across the Kenya-Uganda-Tanzania Trade Corridor

A company seeking to trade or establish operations across the Kenya-Uganda-Tanzania corridor should generally plan for the following legal and procedural steps:

• Confirm rules of origin. Goods must qualify as “originating” within the EAC under the Common Market and Customs Union Protocols to benefit from zero tariffs; this requires supporting documentation such as EAC Certificates of Origin.
• Register for the Single Customs Territory (SCT). The SCT allows for a single point of customs declaration and duty payment, significantly reducing the transit time and cost of moving goods from the ports of Mombasa and Dar es Salaam into the interior.
• Use One-Stop Border Posts (OSBPs). Border crossings such as Malaba, Busia, and Namanga now operate joint clearance facilities, which the EAC reports have cut crossing times by up to 70%.
• Assess licensing and establishment requirements in each jurisdiction. The Common Market Protocol’s right of establishment does not eliminate the need for local company registration, sector-specific licensing, tax registration, and compliance with each Partner State’s domestic laws.
• Plan for labour mobility restrictions. Given partial waivers by some Partner States on free movement of labour, work permits or sector-specific mutual recognition arrangements may still be required for seconded staff.
• Monitor and report NTBs proactively. Businesses should register with their national business association (such as the Kenya Association of Manufacturers) so that recurring NTBs are escalated through the EAC’s monitoring mechanism rather than absorbed as a routine cost of trade.

The Standard Gauge Railway (SGR) Phase 2B: Naivasha to Kisumu — Investment Opportunities

The Standard Gauge Railway (SGR) extension from Naivasha through Kisumu to Malaba is one of the region’s most significant current infrastructure investments, and is directly relevant to the Kenya-Uganda-Tanzania corridor and the wider Northern Corridor trade route. It is also, in effect, a live case study in how the EAC Common Market Protocol’s freedoms translate into commercial opportunity once physical connectivity catches up with the legal framework.

Project Scope and Technical Detail

• Phase 2B (Naivasha–Kisumu). Approximately 264 kilometres, starting at Emurtoto in Narok County and running through Narok, Bomet, Kericho, Nyamira, and Kisumu, including a branch line of roughly 8.7 kilometres connecting directly to the proposed new Kisumu Port. Design includes 13 tunnels, 23 bridges, and 376 culverts, with six intermediate stations (Narok, Mulot, Bomet, Sotik, Sondu, and Ahero) across 17 crossing sections.
• Phase 2C (Kisumu–Malaba). A further 107 kilometres from Kisumu to the Kenya-Uganda border at Malaba, passing through Kisumu, Siaya, Vihiga, Kakamega, and Busia, with intermediate stations at Yala and Mumias and six crossing stations.
• Capacity. Passenger trains are designed for 1,096 passengers per trip at up to 120 km/h; freight trains are designed to haul 4,000 tonnes (216 TEUs) at up to 80 km/h.

Status and Financing Structure

After more than six years of delay following China’s withdrawal from concessional lending for the Malaba extension on commercial-viability grounds, the project returned to active development in 2025–26:

• Groundbreaking. President William Ruto formally launched construction at Narok Teachers Training College Grounds (Suswa, Narok County) on 19 March 2026, jointly with Ugandan President Yoweri Museveni, and full-scale earthworks began on 1 July 2026.
• Contractor. The estimated KSh 700 billion (approximately US$5.4 billion) works contract was awarded to a consortium of China Communications Construction Company (CCCC) and China Road and Bridge Corporation (CRBC), the same contractor that built the original Mombasa–Nairobi–Naivasha line.
• Financing mix. Rather than the wholly concessional China Exim Bank loan structure used for earlier phases, financing is now a blended arrangement: co-financing discussions between Kenya and China, reportedly on a roughly 30:70 government-to-investor cost-sharing basis.
• Private operation of rolling stock. While the government finances the fixed rail infrastructure, Kenya intends to hand freight and rolling-stock operations to private investors under a concession model — supplying and operating locomotives, freight wagons, and passenger coaches under a time-limited exclusive operating right, similar to arrangements already used elsewhere in Kenya’s PPP pipeline.
• Target completion. Government and regional officials have indicated a target completion window of mid-to-late 2027 for the full Naivasha–Malaba link, to align with Uganda’s parallel construction timeline.

Regional Significance: Linking Into Uganda’s SGR

Phase 2C’s terminus at Malaba is designed to connect directly with Uganda’s own 272-kilometre Kampala–Malaba SGR, which Presidents Ruto and Museveni agreed to progress jointly in March 2026. Uganda has since secured a Ksh 95 billion (€650.75 million) financing package from the Islamic Development Bank for its side of the line, putting it ahead of Kenya in reaching financial close.

Once both sides are complete, government and industry estimates suggest that container transport costs between Mombasa and Kampala could fall from around US$3,500 to roughly US$1,600 per container, with transit times potentially reduced from about five days to one. The wider East African Railways Master Plan envisages the line eventually extending toward South Sudan, Rwanda, Burundi, and the DRC, and connecting northward toward Ethiopia — positioning the corridor as the physical backbone of the EAC’s stated ambition, under its 7th Development Strategy (2026–2031), to raise intra-EAC trade from roughly 15% to 40% of total trade by 2030.

Investment Opportunities Linked to the EAC Common Market

The SGR extension is not simply a domestic infrastructure project — it is a direct enabler of several of the freedoms guaranteed under the EAC Common Market Protocol, and each of those freedoms in turn shapes where the commercial opportunity sits:

• Freight and rolling-stock concessions. The planned concession model for cargo and passenger operations is open to private and regional investors, and the free movement of capital under the Common Market Protocol — particularly given that Kenya, Rwanda, and Uganda have already substantially opened their capital accounts — supports cross-border equity and debt participation by EAC-based investors in the concessionaire itself.
• Kisumu Port and Lake Victoria intermodal logistics. The branch line’s connection to the redeveloped Kisumu Port creates an intermodal link between rail and Lake Victoria shipping, opening logistics opportunities that directly serve Uganda and Tanzania.
• Dry ports and inland container depots. Nodes along the corridor (particularly at Kisumu, Bomet, and the Malaba border point) are natural sites for licensed dry ports and container freight stations, which regional freight forwarders and clearing agents — exercising the Common Market’s right of establishment — can set up without being restricted to their state of incorporation.
• Warehousing and logistics parks. The nine counties traversed by the line are positioned for warehousing, cold-chain, and distribution facilities serving cross-border trade; this is reinforced by the Common Market’s free movement of services in the distribution and transport sectors, which allows EAC-domiciled logistics operators to compete for this business on comparable terms to Kenyan firms.
• Construction-linked local supply chains. Cement, steel, aggregate, and construction services sourced along the route benefit from the Common Market’s free movement of goods and services, allowing suppliers based elsewhere in the EAC to participate in the contractor’s and concessionaire’s supply chains rather than being confined to domestic sourcing.
• Transit-oriented and land-linked development. The 26 planned stations create anchor points for commercial and residential development; the Common Market’s rights of establishment and residence support both EAC nationals and companies from other Partner States participating in this land-linked development, subject to compliance with Kenya’s land and investment laws.
• Cross-border professional and financial services. Financing, insuring, and legal-structuring the concession and ancillary developments will draw on regional banks, insurers, and professional firms; Mutual Recognition Agreements under the Common Market Protocol facilitate the temporary or permanent deployment of EAC-qualified engineers, accountants, and other professionals onto the project.

Taken together, the SGR Phase 2B and 2C extension illustrates a broader point for investors: the EAC’s legal freedoms create the right to participate across borders, but it is infrastructure of this kind — alongside the Single Customs Territory and One-Stop Border Posts discussed above — that determines whether that right is commercially exercisable. Investors evaluating opportunities along the corridor should treat the rail timeline, Uganda’s parallel construction progress, and the eventual concession tender process as the key milestones to track.

Common Legal Mistakes Made by EAC Cross-Border Investors

• Assuming automatic preferential access. Investors sometimes assume that EAC or COMESA membership alone guarantees duty-free treatment, without verifying the applicable rules of origin for their specific product.
• Overlooking dual-bloc conflicts. Structuring supply chains without accounting for the tariff and regulatory differences between COMESA and EAC can result in unexpected duty exposure or disqualification from preferential treatment.
• Treating NTBs as unavoidable. Many businesses absorb the cost of discriminatory levies or delays rather than formally reporting them, missing the opportunity to have them resolved through the Time-Bound Programme.
• Underestimating local establishment requirements. The right of establishment under the Common Market Protocol does not remove the need for full compliance with each Partner State’s company law, tax, and sector licensing regimes.

Frequently Asked Questions

What is the EAC Common Market Protocol? The EAC Common Market Protocol is the legal agreement, in force since July 2010, that guarantees free movement of goods, services, capital, and persons, and rights of establishment and residence, across the seven EAC Partner States.

What is the difference between the EAC and COMESA? The EAC is a smaller, deeper regional bloc pursuing a Common Market and eventual Monetary Union among seven states, while COMESA is a larger 21-member free trade area with its own customs union ambitions and its own court. Several countries, including Kenya, belong to both, which can create overlapping tariff and dispute-resolution rules.

How do I report a Non-Tariff Barrier (NTB) in the EAC? NTBs can be reported through the regional online NTB reporting platform, jointly run by the EAC, COMESA, and SADC, which triggers resolution through mutual agreement, the EAC’s Time-Bound Programme, or escalation to the Council of Ministers.

What are the legal steps to trade across the Kenya-Uganda-Tanzania corridor? Businesses should confirm EAC rules of origin, register for the Single Customs Territory, use One-Stop Border Posts, meet each Partner State’s local establishment and licensing requirements, and plan for residual labour-mobility restrictions.

When will the SGR Phase 2B Naivasha–Kisumu line be completed? Construction began in March 2026, with government and regional officials targeting completion of the full Naivasha–Malaba link in mid-to-late 2027, timed to align with Uganda’s parallel Kampala–Malaba SGR construction.

Conclusion

The EAC’s Common Market Protocol, together with complementary NTB elimination mechanisms and a fast-moving regional infrastructure agenda such as the SGR Phase 2B extension, continues to lower the practical cost of cross-border trade in East Africa. However, overlapping regional memberships, uneven implementation across Partner States, and persistent non-tariff barriers mean that businesses should undertake corridor-specific legal and logistics due diligence rather than relying on the Protocol’s freedoms in the abstract.

Considering an investment along the Kenya-Uganda-Tanzania corridor? Speak to our regional trade and investment team for a structuring review tailored to your sector.