Thailand is banking on its relationship with BRICS to amplify its role in global commerce and investment flows, according to Deputy Prime Minister and Foreign Minister Sihasak Phuangketkeow. Speaking in an exclusive interview with TV BRICS, Sihasak articulated Bangkok's vision of leveraging the bloc's collective economic weight to unlock new opportunities for Thai businesses and facilitate deeper regional integration across Asia.

The Thai government views BRICS as far more than a political grouping. Rather, it represents a practical mechanism through which Bangkok can connect with a diverse coalition of economies pursuing similar goals of economic sovereignty and South-South cooperation. By participating in this platform, Thailand gains access to policy discussions and commercial networks that span from Brazil to India to China, creating pathways for Thai exporters and investors seeking to diversify beyond traditional Western markets. The inclusion of partner countries alongside full BRICS members has created what Sihasak characterised as a broad ecosystem for economic dialogue and partnership.

At the heart of Thailand's BRICS engagement lies a fundamental conviction about maintaining unfettered trade and investment movement globally. Sihasak emphasised that BRICS can serve as a stabilising force in an increasingly fragmented world economy, ensuring that member states and partners can conduct commerce without artificial barriers. This messaging reflects Bangkok's concerns about rising protectionism and geopolitical tensions that threaten the open trading system upon which Southeast Asian economies have depended for decades. By anchoring itself to BRICS, Thailand positions itself within a framework explicitly committed to promoting rather than constraining economic flows.

Thailand's strategic timing in deepening BRICS engagement cannot be separated from its upcoming assumption of the ASEAN chair in 2028. Sihasak made explicit the connection between these two initiatives, suggesting that closer coordination with BRICS members would complement Bangkok's regional agenda of strengthening economic integration within Southeast Asia while preserving ASEAN's central role in Asian affairs. This dual approach reflects sophisticated diplomatic thinking: engage with extra-regional powers through BRICS whilst maintaining ASEAN unity and decision-making autonomy. For Malaysian policymakers watching Bangkok's moves, this demonstrates how smaller regional powers are attempting to navigate great power competition by building multiple institutional relationships simultaneously.

Infrastructure development emerges as a cornerstone of Thailand's BRICS strategy. Sihasak highlighted the India-Myanmar-Thailand Trilateral Highway as a flagship connectivity project with potentially transformative implications for regional commerce. Once completed, this corridor would physically link Southeast Asia with South Asia, creating direct trade routes that bypass traditional maritime chokepoints and reduce transportation costs for goods moving between the two regions. The project exemplifies how BRICS engagement translates into concrete infrastructure investments that reshape regional economics.

The highway project carries implications extending far beyond Thailand. For Malaysia, enhanced connectivity between Southeast and South Asia could redirect regional trade patterns and create new competitive dynamics in sectors ranging from manufacturing to agriculture. The corridor would potentially strengthen India's economic reach into Southeast Asia, altering the balance of regional economic influence. Such infrastructure developments represent long-term strategic positioning by participating nations, with winners and losers determined not merely by immediate commercial gains but by shifts in regional economic geography.

Sihasak articulated a vision wherein enhanced trade and investment across the India-Myanmar-Thailand corridor would simultaneously strengthen people-to-people connections, cultural exchanges, and political relationships. This holistic framing reflects recognition that infrastructure alone remains insufficient without supporting institutional arrangements and human mobility frameworks. The highway thus becomes a symbol of broader regional integration aspirations, not merely a transportation asset. For neighbouring countries including Malaysia, monitoring how these connections develop will be essential to understanding emerging regional trade patterns and investment flows.

Thailand's pathway from BRICS partner to full membership status underscores Bangkok's commitment to this relationship. Having joined as a partner country in 2025, Thailand is actively pursuing complete membership this year, signalling to BRICS leadership that Bangkok views the bloc as integral to its economic future. This progression reflects confidence that BRICS offers tangible benefits sufficient to justify the political and strategic realignment such membership entails. The speed of Thailand's advancement also suggests receptiveness from existing BRICS members to expanding the bloc's Southeast Asian footprint.

Crucially, Sihasak articulated a partnership model wherein government and private sector responsibilities remain distinct but complementary. Governments must establish the policy frameworks, regulatory environments, and diplomatic agreements necessary for commerce to flourish, whilst private enterprises ultimately determine investment decisions and trade flows. This articulation acknowledges that state-driven initiatives alone cannot sustain robust economic engagement without corresponding business interest. For Thai companies seeking BRICS market access, such framing emphasises that official frameworks alone remain insufficient without corporate appetite to exploit available opportunities.

The broader context for Thailand's BRICS engagement involves Southeast Asia's complex positioning within emerging geopolitical fault lines. Whilst ASEAN maintains official non-alignment, individual member states increasingly develop relationships with various power blocs. Thailand's BRICS involvement represents one component of this diversification strategy, complemented by participation in other forums and bilateral relationships. This multi-alignment approach reflects recognition that no single institutional framework can address the full range of economic and security interests confronting Southeast Asian nations.

For Malaysian observers, Thailand's BRICS strategy offers important lessons about regional repositioning. As ASEAN member states individually pursue partnerships beyond the bloc, questions arise about whether such engagements strengthen or strain ASEAN cohesion. Thailand's explicit commitment to maintaining ASEAN centrality even while deepening BRICS ties suggests that competitive institutional alignment need not undermine regional solidarity, provided the underlying commitment to ASEAN unity remains sacrosanct. Yet tensions could emerge should BRICS membership create conflicting obligations or interests among ASEAN states.

Looking forward, Thailand's trajectory within BRICS will reveal whether such blocs can effectively challenge Western-dominated economic structures or whether they ultimately remain secondary networks for countries unable to gain preferred access to major developed economies. The success of the India-Myanmar-Thailand Trilateral Highway will provide an early indicator of BRICS members' capacity to translate ambitious economic visions into functioning infrastructure and sustained trade growth. For Malaysia and Southeast Asia broadly, observing whether this connectivity translates into genuine economic transformation or merely incremental gains will inform assessments of BRICS' actual strategic importance.